Multiquip Chainsaw Mt 74Fa Users Manual Rammer REV 3.PMD
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OPERATION AND PARTS MANUAL SERIES MODEL MT-74FA TAMPING RAMMER (ROBIN GASOLINE ENGINE) Revision #3 (11/08/07) To find the latest revision of this publication, visit our website at: www.multiquip.com THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES. MT-74FA — PROPOSITION 65 WARNING PAGE 2 — MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) NOTE PAGE MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) — PAGE 3 MT-74FA — TABLE OF CONTENTS Multiquip Tamping Rammer MT-74FA Proposition 65 Warning ......................................... 2 Table Of Contents ................................................. 4 Parts Ordering Procedures ................................... 5 Safety Message Alert Symbols .......................... 6-7 Rules For Safe Operation ..................................8-9 Operation and Safety Decals .............................. 10 General Information ............................................ 11 Specifications ...................................................... 12 Controls and Components .................................. 13 Operation .......................................................14-16 Maintenance ....................................................... 17 Troubleshooting Guide ...................................18-19 Explanation Of Codes In Remarks Column ........ 20 Suggested Spare Parts ....................................... 21 Name Plate and Decals .................................22-23 Crankcase and Engine Assembly ..................24-27 Guide Cylinder and Foot Assembly ...............28-29 Tank and Handle Assembly ...........................30-33 ROBIN EH-12-2D46420 ENGINE Crankcase and Cylinder Assembly ................34-35 Crankshaft and Piston Assembly ...................36-37 Muffler, Air Cleaner, Camshaft,& Carb. Assy. .38-39 Governor Assembly .......................................40-41 Recoil Starter and Blower Assembly .............42-43 Magneto Assembly ........................................44-45 Carburetor Assembly .....................................46-47 Terms and Condition Of Sale — Parts ................ 48 NOTE Specification and part number are subject to change without notice. PAGE 4 — MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) www.multiquip.com Ordering parts has never been easier! Choose from three easy options: Effective: January 1st, 2006 Best Deal! Order via Internet (Dealers Only): If you have an MQ Account, to obtain a Username and Password, E-mail us at: parts@multiquip.com. Order parts on-line using Multiquip’s SmartEquip website! ■ View Parts Diagrams ■ Order Parts ■ Print Specification Information To obtain an MQ Account, contact your District Sales Manager for more information. Use the internet and qualify for a 5% Discount on Standard orders for all orders which include complete part numbers.* Goto www.multiquip.com and click on Order Parts to log in and save! Note: Discounts Are Subject To Change Fax your order in and qualify for a 2% Discount on Standard orders for all orders which include complete part numbers.* Order via Fax (Dealers Only): All customers are welcome to order parts via Fax. Domestic (US) Customers dial: 1-800-6-PARTS-7 (800-672-7877) Note: Discounts Are Subject To Change Order via Phone: Domestic (US) Dealers Call: 1-800-427-1244 Non-Dealer Customers: Contact your local Multiquip Dealer for parts or call 800-427-1244 for help in locating a dealer near you. International Customers should contact their local Multiquip Representatives for Parts Ordering information. When ordering parts, please supply: ❒ ❒ ❒ ❒ ❒ ❒ Dealer Account Number Dealer Name and Address Shipping Address (if different than billing address) Return Fax Number Applicable Model Number Quantity, Part Number and Description of Each Part ❒ Specify Preferred Method of Shipment: ✓ UPS/Fed Ex ✓ DHL ■ Priority One ✓ Truck ■ Ground ■ Next Day ■ Second/Third Day All orders are treated as Standard Orders and will ship the same day if received prior to 3PM PST. WE ACCEPT ALL MAJOR CREDIT CARDS! MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) — PAGE 5 MT-74FA — SAFETY MESSAGE ALERT SYMBOLS FOR YOUR SAFETY AND THE SAFETY OF OTHERS! Safety precautions should be followed at all times when operating this equipment. Failure to read and understand the Safety Messages and Operating Instructions could result in injury to yourself and others. HAZARD SYMBOLS Potential hazards associated with the operation of a MT-74FA Tamping Rammer will be referenced with Hazard Symbols which appear throughout this manual, and will be Lethal Exhaust Gases referenced in conjunction with Safety Message Alert Symbols. WARNING This Owner's Manual has been developed to provide complete instructions for the safe and efficient operation of the MQ Mikasa Model MT-74FA Tamping Rammer. Refer to the engine manufacturers instructions for data relative to its safe operation. NOTE Before using this rammer, ensure that the operating individual has read and understands all instructions in this manual. SAFETY MESSAGE ALERT SYMBOLS The three (3) Safety Messages shown below will inform you about potential hazards that could injure you or others. The Safety Messages specifically address the level of exposure to the operator, and are preceded by one of three words: DANGER, DANGER You WILL be KILLED or SERIOUSLY INJURED if you DO NOT follow these directions. WARNING You CAN be KILLED or SERIOUSLY INJURED if you DO NOT follow these directions. CAUTI CAUTION You CAN be INJURED if you DO NOT follow these directions. Lethal Exhaust Gas Hazards Engine exhaust gases contain poisonous carbon monoxide. This gas is colorless and odorless, and can cause death if inhaled. NEVER operate this equipment in a confined area or enclosed structure that does not provide ample free flow air. WARNING Explosive Fuel Hazards Gasoline is extremely flammable, and its vapors can cause an explosion if ignited. DO NOT start the engine near spilled fuel or combustible fluids. DO NOT fill the fuel tank while the engine is running or hot. DO NOT overfill tank, since spilled fuel could ignite if it comes into contact with hot engine parts or sparks from the ignition system. Store fuel in approved containers, in well-ventilated areas and away from sparks and flames. WARNING Burn Hazards Engine components can generate extreme heat. To prevent burns, DO NOT touch these areas while the engine is running or immediately after operations. Never operate the engine with heat shields or heat guards removed. WARNING Respiratory Hazards ALWAYS wear approved respiratory protection when required. PAGE 6 — MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) MT-74FA — SAFETY MESSAGE ALERT SYMBOLS CAUTION Rotating Parts Hazards NEVER operate equipment with covers, or guards removed. Keep fingers, hands, hair and clothing away from all moving parts to prevent injury. CAUTION CAUTION Equipment Damage Hazards Other important messages are provided throughout this manual to help prevent damage to your light tower, other property, or the surrounding environment. Accidental Starting Hazards ALWAYS place the ON/OFF switch in the OFF position when the rammer is not in use. CAUTION Eye and Hearing Hazards ALWAYS wear approved eye and hearing protection. DANGER Refueling Hazard NEVER refuel rammer when placed in truck bed with plastic liner. The possibility exists of explosion due to static electricity. When adding fuel, remove rammer from truck bed and place on ground. MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) — PAGE 7 MT-74FA — RULES FOR SAFE OPERATION DANGER Read this manual! Failure to follow instructions in this manual may lead to serious injury or even death! This equipment is to be operated by trained and qualified personnel only! This equipment is for industrial use only. The following safety guidelines should always be used when operating the MT-74FA Tamping Rammer: GENERAL SAFETY ■ DO NOT operate or service this equipment before reading this entire manual. ■ This equipment should not be operated by persons under 18 years of age. ■ NEVER operate this equipment without proper protective clothing, shatterproof glasses, steel-toed boots and other protective devices required by the job. ■ NEVER operate this equipment when not feeling well due to fatigue, illness or taking medicine. ■ NEVER operate this equipment under the influence of drugs or alcohol. ■ ALWAYS wear proper respiratory (mask), hearing and eye protection equipment when operating the rammer. ■ Whenever necessary, replace nameplate, operation and safety decals when they become difficult read. ■ Manufacturer does not assume responsibility for any accident due to equipment modifications. ■ NEVER use accessories or attachments, which are not recommended by Multiquip for this equipment. Damage to the equipment and/or injury to user may result. ■ NEVER touch the hot exhaust manifold, muffler or cylinder. Allow these parts to cool before servicing engine or rammer. ■ High Temperatures – Allow the engine to cool before adding fuel or performing service and maintenance functions. Contact with hot! components can cause serious burns. ■ The engine section of this rammer requires an adequate free flow of cooling air. NEVER operate the rammer in any enclosed or narrow area where free flow of the air is restricted. If the air flow is restricted it will cause serious damage to the rammer or engine and may cause injury to people. Remember the rammer's engine gives off DEADLY carbon monoxide gas. ■ ALWAYS refuel in a well-ventilated area, away from sparks and open flames. ■ ALWAYS use extreme caution when working with flammable liquids. When refueling, stop the engine and allow it to cool. DO NOT smoke around or near the machine. Fire or explosion could result from fuel vapors, or if fuel is spilled on a hot engine. ■ NEVER operate the rammer in an explosive atmosphere or near combustible materials. An explosion or fire could result causing severe bodily harm or even death. ■ DO NOT smoke around or near the machine. Fire or explosion could result from fuel vapors, or if fuel is spilled on a hot engine. ■ Topping-off to filler port is dangerous, as it tends to spill fuel. ■ Stop the engine when leaving the rammer unattended. ■ Maintain this equipment in a safe operating condition at all times. PAGE 8 — MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) MT-74FA — RULES FOR SAFE OPERATION ■ ALWAYS stop the engine before servicing, adding fuel and oil. ■ NEVER run engine without air filter. Severe engine may occur. ■ ALWAYS service air cleaner frequently to prevent carburetor malfunction. ■ ALWAYS check the machine for loosened threads or bolts before starting. ■ ALWAYS be sure the operator is familiar with proper safety precautions and operations techniques before using rammer. ■ ALWAYS store equipment properly when it is not being used. Equipment should be stored in a clean, dry location out of the reach of children. ■ DO NOT operate this equipment unless all guards and safety devices are attached and in place. ■ CAUTION must be exercised while servicing this equipment. Rotating and moving parts can cause injury if contacted. ■ Keep all inexperienced and unauthorized people away from the equipment at all times. ■ Unauthorized equipment modifications will void all warranties. ■ NEVER pour or spray water over the engine. ■ Test the engine ON/OFF switch before operating. The purpose of this switch is to shut down the engine of the rammer. ■ Refer to the ROBIN Engine Owner's Manual for engine technical questions or information recommended by Multiquip for this equipment. MAINTENANCE ■ NEVER lubricate components or attempt service on a running rammer. ■ ALWAYS allow the rammer a proper amount of time to cool before servicing. ■ Keep the rammer in proper running condition. ■ Fix damage to the rammer immediately and always replace broken parts. ■ Dispose of hazardous waste properly. Examples of potentially hazardous waste are used motor oil, fuel and fuel filters. ■ DO NOT use food or plastic containers to dispose of hazardous waste. EMERGENCIES ■ ALWAYS know the location of the nearest fire extinguisher and first aid kit. ■ In emergencies always know the location of the nearest phone or keep a phone on the job site. Also know the phone numbers of the nearest ambulance , doctor and fire department. This information will be invaluable in the case of an emergency. TRANSPORTING ■ ALWAYS shutdown engine before transporting. ■ Tighten fuel tank cap securely and close fuel cock to prevent fuel from spilling. ■ Drain fuel when transporting rammer over long distances or bad roads. ■ When placing the rammer inside a truck-bed for transport, always tie-down the rammer MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) — PAGE 9 MT-74FA — OPERATION AND SAFETY DECALS Machine Safety Decals The MQ Mikasa tamping rammer is equipped with a number of safety decals. These decals are provided for operator safety and maintenance information. Figure 1 and 1A below and preceeding page illustrates these decals as they appear on the machine. Should any of these decals become unreadable, replacements can be obtained from your dealer. Figure 1. Rammer Operation and Safety Decals PAGE 10 — MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) MT-74FA — OPERATION AND SAFETY DECALS Figure 1A. Rammer Operation and Safety Decals MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) — PAGE 11 MT-74FA — GENERAL INFORMATION Definition of Tamping Rammer The Mikasa MT-74FA tamping rammer is a powerful compacting tool capable of applying a tremendous force in consecutive impacts to a soil surface. Its applications include soil compacting for road, embankments and reservoirs as well as backfilling for gas pipelines, water pipelines and cable installation work. CAUTION Handle Operation Before starting operation check the lifting handle to: The impact force of the MT-74FA levels and uniformly compacts voids between soil particles to increase dry density. 1. Make sure that there is no damage on the bolts. Circular motion is converted to create impact force. The MT-74FA tamping rammer develops a powerful compacting force at the foot of the rammer. To maintain optimum performance, proper operation and service are essential. 3. Make sure that there is no fissure on the surface. If there is any abnormality or damage, replace with new one. Construction of Tamping Rammer This handle is to be used to lift up the shoe part of the machine with the body laid down on the ground or truck bed. The Mikasa MT-74FA is equipped with an air-cooled, 4-cycle gasoline engine. Transmission of the power takes place by increasing the engine speed to engage the centrifugal clutch. Rammer Gearbox and Spring Cylinder The Mikasa MT-74FA uses an oil bath lubrication system. Always check the oil level through the oil level sight glass at the rear of the tamper foot. 2. Make sure that there is no crack or breakage on handle. For operation: 1. Use proper lifting techniques to avoid back injury. This handle is for manual lifting only. 2. Do not use this handle as a rammer lift point. Use the lifting point on the top of the machine. 3. Do not move the rammer with the lifting handle and the front rollers more than (16 feet) 5 meters. Controls Before starting the MT-74FA Tamping Rammer, identify and understand the function of the controls. See Figure 2. PAGE 12 — MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) MT-74FA — SPECIFICATIONS Table1. MT-74FA Rammer Specifications MODEL MT-74FA Overall Height 41.5 in (1055 mm) Overall Width 16.1 in (410 mm) Over Length 28.9 in (735 mm) Shoe Size (L x W) 13.4 x 11.2 in (340 x 285 mm) Blows/minute 640-680 Impact Force 3,100 lb (1,400 kg) Stroke 3.15 in. (80 mm) Travel Speed 29.5 - 39.4 ft/min (9 - 12 m/min) Operating Weight 179 lbs (81 kg) Table 2. EH12-2D46420 Engine Specifications NOTE MODEL ROBIN EH12-2D46420 Type Air-Cooled 4 Stroke Gasoline Engine Piston Displacement 7.38 cu.in. (121 cm3) Max. Output 3.5 HP (2.6 kw) Setting Speed 3,400 - 3,600 rpm Cooling System Air-Cooled Lubrication System Oil Bath - 10W30 Motor Oil Oil Tank Capacity 0.8 pint (0.4 liter) Fuel Unleaded gasoline Fuel Tank Capacity 2.1 quar t (2 liters) Star ting System Recoil Star ter Carburetor System Diaphragm Specifications are general and are subject to change without notice. If exact measurements are required, equipment should be weighed and measured. MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) — PAGE 13 MT-74FA — CONTROLS AND COMPONENTS Figure 2. MT-74FA Rammer Figure 2 shows the location of the controls and components for the MT-74FA Tamping Rammer. The functions of each control is described below: 1. 8. Foot – Laminated wood with tempered steel plate for superior shock absorption. 9. Oil Level Sight Glass – Indicates the level of oil in the oil bath reservoir. Throttle Lever – Controls engine speed and the tamping action of the rammer. 10. Recoil Starting Handle – Used when starting the engine. Pull starter handle sharply and quickly, then return 2. Engine Stop Switch – Controls the starting and stopping starter handle to starter case before releasing. of the engine. Switch must be in the "ON" position when 11. Fuel Tank/Cap – Poly fuel tank to avoid rust and starting the engine. corrosion, remove this cap to add gasoline. 3. Choke Lever – Used when starting the engine. Normally 12. Engine Air Cleaner – Prevents dirt (second stage) and used in cold weather conditions. In cold weather turn the other debris from entering the engine. choke lever to the fully closed position, in warm weather 13. Bellows – Reservoir for oil bath. set choke lever half way or completely open. 4. Fuel Shut-Off Valve – Supplies fuel from the fuel tank to 14. Handle – To operate rammer, grip handle assembly firmly on both sides. the engine. To begin fuel flow move the fuel shut-off valve downward. 15. Muffler– Used to reduce noise and emissions. L1. A Returned Material Authorization must be approved by Multiquip to shipment. copy of must 5. Oil Bath Fill Plug – Open this plug to add oil to the oil 16. Sparkprior Plug – ProvidesAspark tothe theAuthorization ignition system, accompany the shipment to the designated Warehouse. A copy of the original Multiquip invoice to the customer must bath reservoir. replace with engine manufactures recommended type also accompany the shipment. spark plug. 6. Drain Valve – Open this valve to remove oil from the bellows. 17. Nameplate – Displays information regarding the rammer. 7. Pre-Cleaner – Pre-cleans (first stage) dirt and other debris from entering the engine. PAGE 14 — MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) MT-74FA — BASIC ENGINE Figure 3. Robin EH-12-2D Engine Controls and Components INITIAL SERVICING The engine (Figure 3) must be checked for proper lubrication and filled with fuel prior to operation. Refer to the manufacturer's Engine manual for instructions & details of operation and servicing. 5. Recoil Starter (pull rope) – Manual-starting method. Pull the starter grip until resistance is felt, then pull briskly and smoothly. 1. Secondary Air Cleaner – Prevents dirt and other debris from entering the fuel system. Remove wing-nut on top of air filter cannister to gain access to filter element. 6. Engine ON/OFF Switch – Controls the starting and stopping of the engine. Switch must be in the "ON" position when starting the engine. 2. Choke Lever –Used when starting the engine. Normally WARNING used in cold weather conditions. In cold weather turn the choke lever to theWARNING fully closed position, in warm weather set choke lever half way or completely open. 3. Spark Plug – Provides spark to the ignition system. Set spark plug gap to 0.6 - 0.7 mm (0.024 - 0.028 inch). Clean spark plug once a week. 4. Muffler – Used to reduce noise and emissions. NOTE Operating the engine without an air filter, with a damaged air filter, or a filter in need of replacement will allow dirt to enter the engine, causing rapid engine wear. WARNING Engine components can generate extreme heat. To prevent burns, DO NOT touch these areas while the engine is running or immediately after operating. NEVER operate the engine with the muffler removed. MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) — PAGE 15 MT-74FA — OPERATION This section is intended to assist the operator with the initial start-up of the MT-74FA Tamping Rammer. It extremely important that this section be read carefully before attempting to operate the rammer. Engine 1. Fill the fuel tank (Figure 5) with unleaded gasoline. At the same time, check the engine oil and make it a habit to replenish it often. DO NOT use your rammer until this section is thoroughly understood. CAUTI CAUTION Read Manual Failure to understand the operation of the MT-74FA Tamping Rammer could result in severe damage to the trowel or personal injury. Rammer Gearbox and Spring Cylinder Oil Bath This unit uses an oil bath lubrication system. Perform the following: 1. Check the oil level through the oil level sight glass (Figure 4) at the rear of the tamper foot. Figure 5. Fuel Tank Figure 6. Engine Oil Dipstick 2. Low levels of oil may result in engine seizure due to high levels of consumption during operations. Figure 4. Foot Housing Sight Glass 2. If oil is not visible, add 10W-30 motor oil into the oil fill plug opening (Figure 4). The bath contains approximately 0.8 pints (0.4 liters) NOTE The oil level should be kept at the half way point of the sight glass. 3. Check the engine oil level and if the engine oil level is low, it should be refilled. Use the proper motor oil as suggested in the Table 3 below. Table 3 Motor Oil Grade Season or Temperature Grade of motor oil (higher than MS class) Spring, Summer or Autumn +120° F to +15° F SAE 30 Winter +40° F to +15° F SAE 30 Below +15° F SAE 10W-30 PAGE 16 — MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) MT-74FA — OPERATION Inspection 1 . Check all nuts, bolts fasteners for tightness. Retighten as necessary. 2. Clean any dirt from the recoil starter and foot pedestal. Wipe the entire unit clean before operating. 3. Close the choke lever (Figure 9) and move the throttle lever to the "Full Open" position. Turning the choke lever 90 degrees clockwise closes the choke . In cold weather, start the unit with choke fully closed. In warm weather or when the engine is warm, the unit can be started with choke halfway or completely open. 3. Replace any missing or damaged Safety Operation decals. 4. Adjust height of handle. Adjust handle by loosening nuts and moving handle to suit operation. Retighten nuts. Initial Start-up When starting the MT-74FA Tamping Rammer perform the following: 1. Open the fuel shut-off valve by moving the fuel cock lever to the open position (Figure 7) then set the engine start/ stop switch (Figure 6) to the "START" position. Figure 9. Choke Lever 4. Grip the recoil starter (Figure10) handle and pull it until you feel a slight resistance.Then pull sharply and quickly. Return the recoil starter handle to the starter case before releasing. Figure 7. Fuel Cock 2. Set the engine ON/OFF switch (Figure 8) to the "ON" position (start). Figure 10. Recoil Starter 5. If engine fails to start, move the choke lever (Figure 9) to the half open position to avoid flooding. 6. Repeat steps 1 thru 4. 7. If the engine does not start after repeated attempts, check the spark plug for excess fuel. Clean and replace the spark plug as needed. Figure 8. On Off Switch MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) — PAGE 17 MT-74FA — OPERATION Operation Stopping The Engine 1. To start the rammer tamping action, move the throttle lever (Figure 11) quickly from IDLE (close) to the FULL OPEN position . DO NOT move the throttle lever slowly as this may cause damage to the clutch or spring. Normal Shutdown 1. Move throttle lever quickly from the FULL OPEN to IDLE position (Figure 12) and run the engine for three minutes at low speed. After the engine cools, turn the engine start/stop switch to the “STOP” position (Figure 8) until engine comes to a complete stop. Figure 11. Throttle Lever (Full Open) Figure 12. Throttle Lever (Idle) 2. Close the fuel shut- off valve by moving the fuel cock lever to the CLOSED position. See Figure 5. CAUTION: Make sure that the throttle lever is moved to the FULL OPEN position. Operating the rammer at less than full speeds can result in damage to the clutch springs or foot Emergency Showdown 1. Move the throttle lever quickly to the IDLE position, and turn the engine start/stop switch to the STOP position. 2. The MT-74FA tamping rammer is designed to run at 4,000 rpm. At optimum rpm the foot hits at the rate of 680 impacts per minute. Increasing throttle speed past factory set rpm does not increase impacts and may damage unit. The MT-74FA is designed to advance while tamping. For faster advance, pull back slightly on the handle so that rear of foot contacts soil first. 3. To stop the tamping action, move throttle lever quickly from the FULL OPEN to IDLE position. PAGE 18 — MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) MT-74FA — MAINTENANCE Maintenance Perform the scheduled maintenance procedures as indicated: DAILY ■ Thoroughly remove dirt and oil from the engine and control area. Clean or replace the air cleaner elements as necessary. Check and retighten all fasteners as necessary. Check the spring box and bellows for oil leaks. Repair or replace as needed. ■ The air cleaner (Figure 12 ) on the engine side will hardly be contaminated, if it is, however after cleaning the element with kerosene, dip it in mixed oil consisting of 3 parts of gasoline and 1 part of engine oil. Then tightly squeeze outer primary element (sponge) and shake off well the inner secondary element before installing them. WEEKLY ■ Remove the fuel filter cap and clean the inside of the fuel tank. ■ Remove or clean the filter at the bottom of the tank. ■ Remove and clean the spark plug, then adjust the spark gap to 0.02~0.03 inch (0.6~0.7 mm). This unit has electronic ignition, which requires no adjustments. ■ Clean air cleaner cover. 200 - 300 HOURS (Pre-Cleaner) ■ Remove the element from the pre-cleaner (Figure 11) at the top of the crankcase (body side) and clean it with cleaning oil (kerosene). Figure 12. Engine Air Cleaner 200 - 300 HOURS (Oil Bath) ■ Drain oil reservoir on foot housing (Figure 13). Refill with approximately 1.7 pt. (800cc) of 10W-30 motor oil. Oil should be midway in sight glass. Break in oil should be changed after first 50 hours. PRE-CLEANER YELLOW 2-5 CC SAE 30 GRAY 13 -15 CC SAE 30 Figure 13. Foot Housing Drain Plug Yearly ■ Check the fuel line and the oil line regularly for damage and to ensure that there are no leaks. Figure 11. Pre-Cleaner ■ Lubricate the top element (yellow) with 2~5 cc of engine oil SAE-30. ■ Lubricate bottom element (gray) with 13 ~15 cc of engine oil SAE-30 and completely squeeze out the excess oil from the element before installing. ■ Replace the oil and fuel lines every two years to maintain the performance and flexibility lines. Long Term Storage ■ Drain fuel from fuel tank, fuel line and carburetor. ■ Remove spark plug and pour a few drops of motor oil into cylinder. Crank engine 3 to 4 times so that oil reaches all internal parts. ■ Clean exterior with a cloth soaked in clean oil. ■ Store unit covered with plastic sheet in moisture free and dust free location out of direct sunlight MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) — PAGE 19 MT-74FA — TROUBLESHOOTING GUIDE TABLE 4. ENGINE TROUBLESHOOTING SYMPTOM POSSIBLE PROBLEM SOLUTION Difficult to start Fuel is available but spark plug will not ignite. (Power available at high tension cable). Fuel is available but spark plug will not ignite. (Power NOT available at high tension cable). Fuel is available and spark plug ignites (compression normal). Fuel is available and spark plug ignites (compression low ). Ignition plug being bridge? Check ignition system. Carbon deposit at ignition? Clean or replace ignition. Shor t circuit due to defective insulators? Replace insulators. Improper spark gap? Set spark plug gap to the correct gap. Shor t circuit at stop switch? Check stop switch circuit. Replace stop switch if defective. Ignition coil defective? Replace ignition coil. Muffler clogged with carbon deposits? Clean or replace muffler. Fuel in use inadequate (water, dust)? Flush fuel sytem and replace with fresh fuel. Air Cleaner clogged? Clean or replace air cleaner. Defective cylinder head gasket? Tighten cylinder head bolts or replace head gasket. Cylinder worn? Replace cylinder. Spark plug loose? Tighen spark plug. Air cleaner clogged? Clean or replace air cleaner. Air in fuel line? Bleed (remove air) from fuel line. Carbon deposits in cylinder? Clean or replace cylinder. Ignition coil defective? Flush fuel sytem and replace with fresh fuel. Ignition plug often shor ts? Replace ignition wires, clean ignition. Fuel in use inadequate (water, dust)? Flush fuel sytem and replace with fresh fuel. Mined fuel quality is inadequate? Check fuel to oil mixture. Excessive carbon deposits in combustion chamber? Clean or replace crankcase. Exhaust or muffler clogged with carbon? Clean or replace muffler. Spark plug heat value incorrect? Replace spark plug with correct type spark plug. Operation not satisfactory Not enough power available (compression normal, no misfiring). Not enough power available (compression normal, misfiring). Engine overheats. PAGE 20 — MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) MT-74FA — TROUBLESHOOTING GUIDE ENGINE TABLE 4. ENGINE TROUBLESHOOTING (continued) SYMPTOM POSSIBLE PROBLEM SOLUTION Operation not satisfactory Governor adjustment improper? Adjust governor to correct level. Governor spring defective? Clean or replace ignition. Fuel flow erratic? Check fuel line. Air taken in through suction line? Check suction line. Dust in rotating par t? Clean recoil star ter assembly. Spiral spring failure? Replace spiral spring. Rotational speed fluctuates. Recoil star ter not working properly. TABLE 5. RAMMER TROUBLESHOOTING SYMPTOM Engine runs but rammer jumps erratically or not at all. POSSIBLE PROBLEM SOLUTION Operating speed of throttle lever is incorrectly set? Set throttle lever to correct position. Oil in excess? Drain excess oil. Bring to correct level. Clutch slips? Replace or adjust clutch. Spring Failure? Replace sprial spring. Speed of engine improper? Adjust engine speed to correct operating RPM setting. Soil over-compacted? Shut down machine and test soil. MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) — PAGE 21 EXPLANATION OF CODE IN REMARKS COLUMN The following section explains the different symbols and remarks used in the Parts section of this manual. Use the help numbers found on the back page of the manual if there are any questions. The contents and part numbers listed in the parts section are subject to change without notice. Multiquip does not guarantee the availibility of the parts listed. * * Numbers Used - Item quantity can be indicated by a number, a blank entry, or A/R. A/R (As Required) is generally used for hoses or other parts that are sold in bulk and cut to length. A blank entry generally indicates that the item is not sold separately. Other entries will be clarified in the “Remarks” Column. REMARKS Column Sample Parts List: NO. 1 2 2 3 4 QTY. Column PART NO. PART NAME QTY. REMARKS 12345 BOLT ...................... 1 ......INCLUDES ITEMS W/ WASHER, 1/4 IN. ............. NOT SOLD SEPARATELY 12347 WASHER, 3/8 IN. ... 1 ......MQ-45T ONLY 12348 HOSE ................... A/R .... MAKE LOCALLY 12349 BEARING ............... 1 ......S/N 2345B AND ABOVE * NO. Column Unique Symbols - All items with same unique symbol ( , #, +, %, or >) in the number column belong to the same assembly or kit, which is indicated by a note in the “Remarks” column. * Duplicate Item Numbers - Duplicate numbers indicate multiple part numbers are in effect for the same general item, such as different size saw blade guards in use or a part that has been updated on newer versions of the same machine. When ordering a part that has more than one item number listed, check the remarks column for help in determining the proper part to order. PART NO. Column Numbers Used - Part numbers can be indicated by a number, a blank entry, or TBD. TBD (To Be Determined) is generally used to show a part that has not been assigned a formal part number at time of publication. Some of the most common notes found in the “Remarks” Column are listed below. Other additional notes needed to describe the item can also be shown. Assembly/Kit - All items on the parts list with the same unique symbol will be included when this item is purchased. Indicated by: “INCLUDES ITEMS W/(unique symbol)” Serial Number Break - Used to list an effective serial number range where a particular part is used. Indicated by: “S/N XXXXX AND BELOW” “S/N XXXX AND ABOVE” “S/N XXXX TO S/N XXX” Specific Model Number Use - Indicates that the part is used only with the specific model number or model number variant listed. It can also be used to show a part is NOT used on a specific model or model number variant. Indicated by: “XXXXX ONLY” “NOT USED ON XXXX” “Make/Obtain Locally” - Indicates that the part can be purchased at any hardware shop or made out of available items. Examples include battery cables, shims, and certain washers and nuts. “Not Sold Separately” - Indicates that an item cannot be purchased as a separate item and is either part of an assembly/kit that can be purchased, or is not available for sale through Multiquip. A blank entry generally indicates that the item is not sold separately or is not sold by Multiquip. Other entries will be clarified in the “Remarks” Column. PAGE 22 — MT-74FA — OPERATION AND PARTS MANUAL — REV. #0 (05/11/05) MT-74FA — SUGGESTED SPARE PARTS MT-74FA RAMMER 1 TO 3 UNITS MT-74FA RAMMER 3 TO 5 UNITS QTYPART NO QTYPART NO DESCRIPTION REMARKS 1 .. 362910060 ...... THROTTLE LEVER ASSY .. S/N L1292 AND ABOVE 1 .. 956100045 ...... THROTTLE WIRE 5 .. 354030030 ..... ELEMENT, YELLOW 5 .. 354030040 ..... ELEMENT, GRAY 2 .. 354336352 ..... CLAMP, BELLOWS 1 .. 354010010 ..... BELLOWS 1 .. 361910070 ..... CAP, FUEL TANK 1 .. 954300720 ..... COCK, FUEL ASSY. 5 .. 2523260207 ... ELEMENT, SET, ENGINE 1 .. 0660000371 ... STOP SWITCH ASSY 5 .. 0650140580 ... SPARK PLUG 1 .. 954406010 ..... STRAINER, FUEL TANK 1 .. 2695011008 ... STARTER ROPE DESCRIPTION REMARKS 1 .. 362910060 ..... THROTTLE LEVER ASSY 1 .. 956100045 ..... THROTTLE WIRE 3 .. 354030030 ..... ELEMENT, YELLOW 3 .. 354030040 ..... ELEMENT, GRAY 1 .. 361910070 ..... CAP, FUEL TANK 1 .. 954300720 ..... COCK, FUEL ASSY. 1 .. 26365012A3 ... FILTER, FUEL 3 .. 2523260207 ... ELEMENT, SET, ENGINE 1 .. 0660000371 ... STOP SWITCH ASSY 3 .. 0650140580 ... SPARK PLUG 1 .. 954406010 ..... STRAINER, FUEL TANK 1 .. 2695011008 ... STARTER ROPE NOTE Part numbers on this Suggested Spare Parts List may supersede/replace the P/N shown in the text pages of this book. MT-74FA — OPERATION AND PARTS MANUAL — REV. #0 (05/11/05) — PAGE 23 MT-74FA— NAMEPLATE AND DECAL NAME PLATE AND DECALS PAGE 24 — MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) MT-74FA— NAMEPLATE AND DECAL NAME PLATE AND DECALS NO PART NO PART NAME 1 2 3 4 5 8 9 10 11 12 13 14 16 17 18 19 20 21 22 100 101 102 103 920202930 920206020 920106460 920210160 920108310 920203290 DECAL: START SWITCH ................. 1.......... NPA293 DECAL: 3400 ~ 3600 RPM ............... 1.......... NPA602 DECAL: MIKASA 1 DECAL: SERVICE MONTHLY .......... 1.......... NPA1016 DECAL: CLEANER ELEMENT ......... 1.......... NPA-831 DECAL: CAUTION ............................ 1.......... NPA329 PLATE, SERIAL NO. ........................ 1.......... CONTACT MQ SERVICE DEPT. W/ MODEL & S/N DECAL: PRE-CLEANER .................. 1.......... NP700 DECAL: PRE-CLEANER .................. 1.......... NPA437 DECAL: CAUTION 4 CYCLE ............ 1.......... NPA975 DECAL: EAR PROTECTION ............ 1.......... NPA333 DECAL: CAUTION (FUEL COCK) .... 1.......... NPA399 DECAL: ELEMENT SET .................. 1.......... NPA398 DECAL: CAUTION (MANUAL) .......... 1 .......... NPA769 DECAL: GASOLINE ONLY ............... 1.......... NPA1017 TAG, GASOLINE .............................. 1.......... NPA896 DECAL, CHECK DAILY (FILTER) ..... 1.......... NPA1018 DECAL, CAUTION (RAMMER) ........ 1.......... NPA910 DECAL (M-MARK) ........................... 1.......... NP24 LABEL, CAUTION 1 LABEL, OIL CAUTION 1 LABEL, WARNING 1 LABEL, CHOKE 1 920107000 920204370 920209750 920203330 920203990 920203980 920207690 920210170 920208960 920210180 920209100 920100240 0732004450 0732004520 0732003900 0732005020 QTY. REMARKS MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) — PAGE 25 MT-74FA — CRANKCASE AND ENGINE ASSY. CRANKCASE AND ENGINE ASSY. PAGE 26 — MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) MT-74FA — CRANKCASE AND ENGINE ASSY. CRANKCASE AND ENGINE ASSY. NO. PART NO. PART NAME QTY. REMARKS CLUTCH GUIDE / A 1 1 361118270 CRANK CASE 1 45 0053204201 WOODRUFF KEY 1 4 040006207 BEARING 6207 1 546 040006204 BEARING 6204 1 301010210 LOCK WASHER CLUTCH 1 647 952400130 WASHER 9304 1 956300130 THROTTLE LEVER AY 25 1 7 002210825 BOLT 8X25 H, SW 1 8 371447650 BEARING COVER 1 9 050300480 O-RING S-48 1 10 080100480 STOP RING R-48 2 11 001220610 BOLT 6X10 T 1 12 031106100 WASHER M5 1 13 371334730 CONNECTING ROD 1 14 040006304 BEARING 6304 1 15 080100520 STOP RING R-52 1 16 952400130 WASHER 9304 1 17 002210825 BOLT 8X25 H, SW 1 19 352444450 PACKING, FRONT COVER 1 20 002200620 BOLT 6X20 H, SW 9 22 361449320 PINION 1 23 040006204 BEARING 6204 1 24 080200350 STOP RING S-35 1 25 371449600 SPACER 1 26 060404010 OIL SEAL TC-40528 1 27 050101000 O-RING G-100 1 28 361449330 CLUTCH DRUM 1 29 951407340 KEY 5X5X20R 1 30 952405490 LOCK WASHER 1 31 002210820 BOLT 8X20 H, SW 1 32 041006007 BEARING 6007Z 1 34 0053204201 WOODRUFF KEY 1 35 362454441 CLUTCH ASSY CE120P ................. 1 .......... INCLUDES ITEMS W/ * 35-1 943060020 CLUTCH GUIDE/B 1 * 35-2 943050050 CLUTCH BOSS C812 1 * 35-3 943020020 CLUTCH SHOE C812 4 * 35-4 943030021 CLUTCH SPRING C812 2 * 35-5 943060100 GUIDE/A 1.6T 1 * 301010210 CLUTCH LOCK WASHER, CLUTCH 1 36 * 361213800 AIR CLEANER ASSY ..................... 1 .......... INCLUDES ITEMS W/ # 42 42-1# 354030011 BODY /W-CLEANER 1 42-2# 361010020 BACK PLATE CP 1 42-3# 354030030 ELEMENT, YELLOW 1 42-4# 354030040 ELEMENT, GRAY 1 42-5# 354030050 ELEMENT FRAME 1 MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) — PAGE 27 MT-74FA — CRANKCASE AND ENGINE ASSY. PAGE 28 — MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) MT-74FA — CRANKCASE AND ENGINE ASSY. CRANKCASE AND ENGINE ASSY. CONTINUED NO PART NO PART NAME QTY. REMARKS 43 002200820 BOLT 8X20 H, SW 4 44 361336010 INTAKE PIPE 1 45 954010230 HOSE BAND (B) 1 49 0830000010 COIL SPRING 1 50 959006120 CLIP 1 51 020310080 NUT M10 2 52 030210250 SW M10 4 53 001221050 BOLT 10X50 H, SW 2 76 361214201 UNDER PROTECTOR 1 77 001220840 BOLT 8X40 T 3 78 020308060 NUT M8 3 79 030208200 SW M8 3 80 031108160 PW M8 3 81 0011308180 BOLT AND WASHER ASSY 2 91 361335870 CRANK GEAR 1 101 361010030 FRONT COVER 1 110 362910060 THROTTLE LEVER ASSY .............. 1 ........... INCLUDES ITEMS W/ % 111% 362341550 THROTTLE BODY 1 112% 362910090 THROTTLE GEAR CP, W/ BOLT 1 114% 362455620 SLIDER 1 115% 362455630 THROTTLE LEVER 1 116% 050100450 O-RING G-45 1 117% 050200100 O-RING P-10 1 118% 031110160 PW M10 3 119% 033910070 CONICAL SPRING WASHER 2 119 032110180 CONICAL SPRING WASHER M10 2 120% 096206006 SOCKET HEAD SCREW 6 X 6 1 121% 022131008 CAP NUT M10 1 122% 020410060 NUT M10 1 123% 096208020 SOCKET HEAD SCREW 8X20 1 124 020408050 NUT M8 2 126 956100045 THROTTLE WIRE 1 127 001220620 BOLT 6X20 T 2 128 030206150 SW M6 2 129 022130605 CAP NUT M6 2 130 303010450 BAND 1 206 911211214 ENGINE, EH-12-2D 1 MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) — PAGE 29 MT-74FA — GUIDE CYLINDER AND FOOT ASSY. GUIDE CYLINDER AND FOOT ASSY. PAGE 30 — MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) MT-74FA — GUIDE CYLINDER AND FOOT ASSY. GUIDE CYLINDER AND FOOT ASSY. NO. PART NO. PART NAME QTY. REMARKS 1 352423290 PISTON PIN 1 2 363457870 PISTON PIN PLUG 2 3 361344360 PISTON ROD 1 4 355452340 PISTON END 1 5 020118150 NUT M18, P1.5 1 6 355447250 STOPPER UPPER 1 7 355447260 STOPPER, LOWER 1 8 355447270 MAIN SPRING 2 9 355334310 SPRING CYLINDER 1 11 050100900 O-RING G-90 1 12 014210020 SOCKET HEAD BOLT 10X20 T .......... 4 ............REPLACES 001521020 13 014210040 SOCKET HEAD BOLT 10X40 T .......... 4 ............REPLACES 001521040 14 953405270 PLUG 1/4X14 13L 1 15 953405260 PACKING 1/4 (CU) 1 17 355213010 GUIDE CYLINDER 1 18 050201500 O-RING P-150 1 19 050931500 O-RING JASO3150 2 20 012710035 BOLT 10X35 H, SW ............................. 4 ............REPLACES 002211035 21 354010010 BELLOWS(L) ORANGE 1 22 354336352 BELLOWS CLAMP .............................. 2 ............REPLACES 354329380 23 354442340 BAND GUIDE, BELLOWS 2 24 011008040 BOLT 8X40 H ....................................... 2 ............REPLACES 001220840 25 020108060 NUT M8 ................................................ 2 ............REPLACES 020308060 26 354446170 PIN 6D-8.5L 2 28 953405270 PLUG 1/4X14 13L 2 29 953405260 PACKING 1/4 (CU) 2 30 050100950 O-RING G-95 ....................................... 1 ............S/N R5624 AND BELOW 30 050200950 O-RING P-95 ........................................ 1 ............S/N R5625 AND ABOVE 46 355113960 PROTECTION SLEEVE ...................... 1 ............S/N R5624 AND BELOW 46 355119030 PROTECTION SLEEVE ...................... 1 ............S/N R5625 AND ABOVE 47 959010150 LEVEL GAUGE, PLUG TYPE 1 48 953404670 COPPER PACKING 17X25.5X1 1 51 355447270 MAIN SPRING 2 52 355213000 FOOT PLATE 16 1 100 362910130 FOOT ASSY ......................................... 1 ............INCLUDES ITEMS W/ 104 001611253 SUNK HEAD BOLT 12 X65 H 2 105 021112140 NYLON NUT M12 ................................ 4 ............REPLACES 022711214 106 030212300 WASHER SW M12 4 107 015110055 SUNK HEAD BOLT 10X55 H ............... 7 ............REPLACES 001611051 108 030210250 WASHER SW M10 7 126 021110120 NYLON NUT M10 ................................ 7 ............REPLACES 022711012 130 362910130 FOOT ASSY 285W-SF-EXP 1 * * * * * 131 001611259 SUNK HEAD BOLT 12X95 H 2 132 363343390 HANDLE 1 MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) — PAGE 31 MT-74FA — TANK AND HANDLE ASSY. TANK AND HANDLE ASSY. PAGE 32 — MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) MT-74FA — TANK AND HANDLE ASSY. TANK AND HANDLE ASSY. NO PART NO PART NAME QTY. REMARKS A 305910032 FUEL TANK ASSY .................................. 1 ............... INCLUDES ITEMS W/ # 1 361118300 HANDLE 1 5 351337070 SHOCK ABSORBER 2 6 009110007 GT CAP SA, 10X20 4 7 012210020 BOLT 10X20 H, SW ................................ 4 ................REPLACES 002211020 9# 362116890 FUEL TANK, GRAY 1 12 011208030 BOLT 8X30 T ........................................... 2 ................REPLACES 001220830 13 022710809 NYLON NUT M8 2 14 030208200 WASHER, SW M8 2 15 952401450 WASHER 8.5X22X3 2 16 954300720 FUEL COCK ASSY 1 17# 351437785 HOLDER, FUEL COCK 1 18# 954406020 PACKING, COCK FUEL 1 21# 954406010 STRAINER 1 22# 361910070 CAP ASSY, TANK ................................... 1 ................INCLUDES ITEM W/ % 22-1#% 353449010 STRAP, FUEL TANK CAP 1 22-2#% 361455740 SUB CAP (B) 1 22-3# 920208960 TAG, GASOLINE 1 41 955200053 ROLLER, W/ PIN 2 42 091005025 SCREW 5 X 25 4 43 022610505 FLANGE NUT M5 H 4 44 031105080 PW M5 4 51 959021721 FUEL HOSE/D4.5 X D9 X150L 1 51 950014500150M FUEL HOSE (1M) 1 52 950024085008 CLAMP, TUBE 2 53 26365012A3 FILTER, FUEL 1 54 959026121 FUEL HOSE/D5.5 X D11.5 X 170L 1 54 959026199 FUEL HOSE/1M 1 55 954406420 HOSE BAND 10.5 2 91 361458840 STAY, SHOCK ABSORBER/R 1 92 361458850 STAY, SHOCK ABSORBER/L 1 93 002211025 BOLT 10 X 25 H, SW 4 94 022131008 CAP NUT M10 4 96 939010270 STOPPER RUBBER (70) 1 97 030208200 SW M8 1 98 020308060 NUT M8 1 MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) — PAGE 33 ROBIN EH-12-2D46420 ENGINE — CRANKCASE AND CYLINDER ASSY. CRANKCASE AND CYLINDER ASSY. PAGE 34 — MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) ROBIN EH-12-2D46420 ENGINE — CRANKCASE AND CYLINDER ASSY. CRANKCASE AND CYLINDER ASSY. NO. PART NO. PART NAME QTY. REMARKS 10 2521030131 CRANK CASE ............................ 1 ...................... INCLUDES ITEMS W/ % 20# 2371420203 VALVE GUIDE, OVERSIZE 2 26# 2771601001 STEM SEAL 1 30% 0440250150 OIL SEAL 1 40% 0600250100 BALL BEARING 1 50% 0310060020 DOWEL PIN 2 60# 0105080480 STUD 2 70# 0105060131 STUD 1 71# 0013906600 STUD 1 75% 0440080010 OIL SEAL VC 8X14X4 1 80 0401140030 PLUG 2 90 0211140020 GASKET 2 210 2521110121 MAIN BEARING COVER CP ..... 1 ...................... INCLUDES ITEMS W/ $ 220$ 0440250160 OIL SEAL 1 230$ 0600250010 BALL BEARINGS 6205C3 1 250 2274500301 GOVERNOR GEAR COMPL 1 260 2054190103 GOVERNOR SLEEVE 1 265$ 0108100020 STUD 2 270 2686360301 OIL GAUGE CP 1 280 0213160020 GASKET 1 294 2521700201 BRACKET CP (M.B.C.) 1 295 2521700101 SUPPORT (M.B.C) 1 297 0011308160 BOLT & WASHER ASSY 1 298 0011308160 BOLT & WASHER ASSY 2 300 0130060200 BOLT & WASHER ASSY 8 610 2681310121 CYLINDER HEAD CP ................ 1 ....................... INCLUDES ITEMS W/ # 620 2531500123 GASKET, HEAD 1 630 0110080100 FLANGE BOLT 4 680 2521550203 ROCKER COVER 1 690 2691600403 GASKET, ROCKER COVER 2 700 0310060020 DOWEL PIN 2 710 0110060170 FLANGE BOLT EY45V 4 720 2521560120 SPACER ASSY, BREATHER ..... 1 ...................... INCLUDES ITEMS W/ * 721 2521560113 SPACER, BREATHER 1 * 2521600103 LEAF VALVE 1 722 * 723 2521610103 RETAINER PLATE 1 * 724 2521440123 PLATE 1 * 0110060150 FLANGE BOLT EH11 2 725 * 726 0043506120 SCREW & WASHER 1 * 830 2681620103 GASKET, BREATHER COVER 1 850 2521800203 RUBBER PIPE 1 860 0011306160 BOLT AND WASHER ASSY 2 900 0566000250 CLAMP 1 901 0110060020 FLANGE BOLT 1 960 2539900117 GASKET SET 1 MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) — PAGE 35 ROBIN EH-12-2D46420 ENGINE — CRANKSHAFT AND PISTON ASSY. CRANKSHAFT AND PISTON ASSY. MT-74FA — EH12-2D ROBIN ENGINE— CRANKSHAFT AND PISTON PAGE 36 — MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) ROBIN EH-12-2D46420 ENGINE — CRANKSHAFT AND PISTON ASSY. CRANKSHAFT AND PISTON ASSY. NO. PART NO. PART NAME 10 40 40 40 50 60 70 80 105 310 320 * 350 360 360 360 370 370 370 380 6821901111 0230250110 0230250120 0230250130 0021814000 0032014000 0323030010 0053204201 0173120010 2522250110 2362300103 2682330103 2682340103 2682340203 2682340303 2522350117 2522350217 2522350307 2152500403 CRANKSHAFT CP 1 SPACER T=0.6 .......................... 1 ...................... SELECT SPACER T=0.8 .......................... 1 ...................... SELECT SPACER T=1.0 .......................... 1 ...................... SELECT NUT 1 SPRING WASHER 1 WOODRUFF KEY 1 WOODRUFF KEY 1 LOCK NUT 1 CONNECTING ROD ASSY ........ 1 ...................... INCLUDES ITEM W/ * CONNECTING ROD BOLT 2 PISTON PIN 1 PISTON STD. 1 PISTON O.S. 0.25MM 1 PISTON O.S. 0.50MM 1 PISTON RING SET STD 1 PISTON RING SET 0.25 O.S. 1 PISTON RING SET 0.50 O.S. 1 CLIP 2 QTY. REMARKS MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) — PAGE 37 ROBIN EH-12-2D46420 ENGINE—MUFFLER, AIR CLEANER, CAM& CARB. ASSY. MUFFLER, AIR CLEANER, CAMSHAFT & CARBURETOR ASSY. PAGE 38 — MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) ROBIN EH-12-2D46420 ENGINE—MUFFLER, AIR CLEANER, CAM& CARB. ASSY. MUFFLER, AIR CLEANER, CAMSHAFT & CARBURETOR ASSY. NO. PART NO. PART NAME 10 34 * 35 * 36 * 37 * 38 * 50 60 70 80 90 95 210 220 230 240 260 310 330 340 345 350 365 366 500 505 510 510-2$ 520$ 540 550 551 555 556 563 565 567# 570 577 580 585 590 860 910 2533170111 2273860123 2273640113 0051904100 0031522000 2273870103 2393330113 2533360103 2693370103 2683340103 2683350103 13210KA031 2683530103 2693600103 2693580103 0170060090 2693650103 2523040111 2523700111 2533520103 2523650103 0176080020 0011308160 0011408160 2683300413 0105060230 2683271500 1063272308 2523260207 2523290103 2373590303 1066500203 2823590103 0011406400 0119060020 2523310221 0105050060 0176050010 0200080080 0011308180 2683650303 0023806000 0566000250 0732005020 CAMSHAFT CP ......................... 1 ...................... INCLUDES ITEMS W/ * PIN (SPRING) 1 RELEASE LEVER 1 SPRING PIN 1 SNAP RING 1 RETURN SPRING 1 TAPPET 2 VALVE SPRING 2 SPRING RETAINER 2 INTAKE VALVE 1 EXHAUST VALVE 1 COLLECT VALVE 4 PUSH ROD 2 ROCKER ARM 2 BOLT, PIVOT 2 NUT 2 GUIDE PLATE 1 MUFFLER CP 1 BRACKET CP 1 GASKET, MUFFLER 2 SPACER, EXHAUST 1 SELF-LOCK NUT 2 BOLT & WASHER ASSY 2 BOLT & WASHER 8 X 16 2 INTAKE PIPE CP 1 STUD 2 AIR CLEANER ASSY ............... 1 ....................... INCLUDES ITEMS W/ $ PACKING 1 ELEMENT, SET 1 INSULATOR 1 GASKET (CARBURETOR) 2 GASKET 2 (INSULATOR) 1 GASKET (INSULATOR) 1 BOLT AND WASHER ASSY 1 BOLT (SOCKET HEAD) 2 INTAKE FLANGE ....................... 1 ...................... INCLUDES ITEM W/ # STUD 2 SELF LOCK NUT 2 WASHER 1 BOLT & WASHER ASSY 1 PLATE, AIR CLEANER 2 FLANGE NUT 2 CLAMP 1 LABEL CHOKE 1 QTY. REMARKS MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) — PAGE 39 ROBIN EH-12-2D46420 ENGINE — GOVERNOR ASSY. GOVERNOR ASSY. PAGE 40 — MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) ROBIN EH-12-2D46420 ENGINE — GOVERNOR ASSY. GOVERNOR ASSY. NO. PART NO. 10 2524230303 20 2264230207 26 0031108000 30 2544270101 40 2544280103 50 0031306000 60 0011406300 70 0186060020 80 2524250323 200 2524340230 210 0116040030 230 0043105250 231 0043104250 235 2684500113 240 0021705000 280 2264310101 290 2524420213 293 0110060030 710 2524280111 715 0011308160 716 0110060030 PART NAME QTY. REMARKS GOVERNOR LEVER CP 1 GOVERNOR SHAFT .................. 1 ...................... REPLACES 2274220103 WASHER 1 GOVERNOR ROD CP 1 ROD SPRING 1 CLIP 2 BOLT & WASHER ASSY 1 NUT 1 GOVERNOR SPRING 1 SPEED CONTROL ASSY 1 BOLT 1 SCREW, PANHEAD 1 SCREW 1 CONTROL SPRING 1 NUT 1 LINK PIVOT 1 WIRE BRACKET 1 FLANGE BOLT 1 PROTECTOR CP, GOVERNOR 1 BOLT & WASHER ASSY 1 FLANGE BOLT 1 MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) — PAGE 41 ROBIN EH-12-2D46420 ENGINE —RECOIL STARTER AND BLOWER ASSY. RECOIL STARTER AND BLOWER ASSY. PAGE 42 — MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) ROBIN EH-12-2D46420 ENGINE —RECOIL STARTER AND BLOWER ASSY. RECOIL STARTER AND BLOWER ASSY. NO. 10 20 40 90 95 200 201 * 202 * 203 * 204 * 205 * 206 * 207 * 208 * 211 * 220 249 * PART NO. 2525165221 920100240 0011406550 2685270303 0110060140 2685020130 2705011508 2695012008 2695011008 2615010008 2705012508 2275013108 2275013508 2705026108 2685014508 0110060010 2275015208 PART NAME QTY. REMARKS BLOWER HOUSING CP 2 1 DECAL, M-MARK 1 BOLT & WASHER ASSY 4 HEAD COVER 1 FLANGE BOLT 2 RECOIL STARTER ASSY .......... 1 ...................... INCLUDES ITEMS W/ * SPIRAL SPRING 1 REEL 1 STARTER ROPE 1 STARTER KNOB 1 RATCHET 2 FRICTION SPRING 1 RETURN SPRING 2 RATCHET GUIDE 1 STARTER PULLEY 1 FLANGE BOLT 4 SET SCREW 1 MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) — PAGE 43 ROBIN EH-12-2D46420 ENGINE — MAGNETO ASSY. MAGNETO ASSY. PAGE 44 — MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) ROBIN EH-12-2D46420 ENGINE — MAGNETO ASSY. MAGNETO ASSY. NO PART NO 10 2687933201 11 2697943011 30 0011406250 60 0660000371 70 0150040090 75 0566030010 90 0566000250 95 0659000010 100 0650140580 110 2307510113 PART NAME QTY. FLYWHEEL CP 1 IGNITION COIL CP 1 BOLT & WASHER ASSY 2 STOP SWITCH ASSY (ON-OFF)1 TAPPING SCREW 2 CLAMP 1 CLAMP 1 SPARK PLUG CLIP 1 SPARK PLUG, BR6ES 1 SPARK PLUG CAP 1 REMARKS MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) — PAGE 45 ROBIN EH-12-2D46420 ENGINE — CARBURETOR ASSY. CARBURETOR ASSY. PAGE 46 — MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) ROBIN EH-12-2D46420 ENGINE — CARBURETOR ASSY. CARBURETOR ASSY. NO PART NO 210 2526257000 900 5016004010 * 901 2526260508 * 902 2526260408 * 903 2526261208 * 904 1616233508 * 905 2846260308 * 906 5106045040 * 907 2846260408 * 908 1616255208 * 909 1476258408 * 910 1616238008 * 911 1616238108 * 912 2526261008 * 914 1616238308 * 915 1066257508 * 916 1066257608 * 917 1476257308 * 918 2846260008 * 919 1616245408 * 920 1616245108 * 921 1476258308 * 925 1616236808 * 926 1616236908 * 927 1476257508 * 929 1616238508 * 943 2526261108 * 945 1616255108 * 946 2526260308 * 947 1616255308 * 948 2526260208 * 949 2526260108 * PART NAME QTY. REMARKS CARBURETOR ASSY. ..................... 1 ................ INCLUDES ITEMS W/ * SCREEN INLET 1 COVER, METALLING DIAPHRAGM 1 COVER PUMP 1 THROTTLE SHAFT 1 VALVE THROTTLE 1 SHAFT ASSY CHOKE 1 CLIP 1 VALVE, CHOKE 1 VALVE, INLET NEEDLE 1 BALL 1 GASKET PLUG 1 GASKET, METALLING DIAPHRAGM 1 DIAPHRAGM PUMP 1 DIAPHRAGM ASSY, METALLING 1 SCREW 1 SCREW ASSY 5 SCREW 2 SCREW 1 SPRING, IDLE ADJUST 1 SPRING, METALLING LEVER 1 SPRING, CHOKE 1 PIN, METALLING LEVER 1 LEVER, METALLING 1 PLUG 1 SCREW, IDLE ADJUST 1 SPRING PUMP 1 STOPPER, THROTTLE 1 LEVER, THROTTLE 1 SCREW VALVE 2 SPACER, THROTTLE LEVER 1 WASHER 1 MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) — PAGE 47 TERMS AND CONDITIONS OF SALE — PARTS PAYMENT TERMS 5. Parts must be in new and resalable condition, in the original Multiquip package (if any), and with Multiquip part numbers clearly marked. 6. The following items are not returnable: Terms of payment for parts are net 30 days. FREIGHT POLICY All parts orders will be shipped collect or prepaid with the charges added to the invoice. All shipments are F.O.B. point of origin. Multiquip’s responsibility ceases when a signed manifest has been obtained from the carrier, and any claim for shortage or damage must be settled between the consignee and the carrier. a. Obsolete parts. (If an item is in the price book and shows as being replaced by another item, it is obsolete.) b. Any parts with a limited shelf life (such as gaskets, seals, “O” rings, and other rubber parts) that were purchased more than six months prior to the return date. MINIMUM ORDER Multiquip reserves the right to quote and sell direct to Government agencies, and to Original Equipment Manufacturer accounts who use our products as integral parts of their own products. SPECIAL EXPEDITING SERVICE A $35.00 surcharge will be added to the invoice for special handling including bus shipments, insured parcel post or in cases where Multiquip must personally deliver the parts to the carrier. LIMITATIONS OF SELLER’S LIABILITY RETURNED GOODS POLICY d. Special order items. Return shipments will be accepted and credit will be allowed, subject to the following provisions: e. Electrical components. Multiquip shall not be liable hereunder for damages in excess of the purchase price of the item with respect to which damages are claimed, and in no event shall Multiquip be liable for loss of profit or good will or for any other special, consequential or incidental damages. f. Paint, chemicals, and lubricants. LIMITATION OF WARRANTIES g. Decals and paper products. 1. h. Items purchased in kits. No warranties, express or implied, are made in connection with the sale of parts or trade accessories nor as to any engine not manufactured by Multiquip. Such warranties made in connection with the sale of new, complete units are made exclusively by a statement of warranty packaged with such units, and Multiquip neither assumes nor authorizes any person to assume for it any other obligation or liability whatever in connection with the sale of its products. Apart from such written statement of warranty, there are no warranties, express, implied or statutory, which extend beyond the description of the products on the face hereof. The minimum charge for orders from Multiquip is $15.00 net. Customers will be asked for instructions regarding handling of orders not meeting this requirement. 2. A Returned Material Authorization must be approved by Multiquip prior to shipment. To obtain a Return Material Authorization, a list must be provided to Multiquip Parts Sales that defines item numbers, quantities, and descriptions of the items to be returned. a. The parts numbers and descriptions must match the current parts price list. b. The list must be typed or computer generated. c. The list must state the reason(s) for the return. d. The list must reference the sales order(s) or invoice(s) under which the items were originally purchased. e. The list must include the name and phone number of the person requesting the RMA. 3. A copy of the Return Material Authorization must accompany the return shipment. 4. Freight is at the sender’s expense. All parts must be returned freight prepaid to Multiquip’s designated receiving point. c. Any line item with an extended dealer net price of less than $5.00. 7. The sender will be notified of any material received that is not acceptable. 8. Such material will be held for five working days from notification, pending instructions. If a reply is not received within five days, the material will be returned to the sender at his expense. 9. Credit on returned parts will be issued at dealer net price at time of the original purchase, less a 15% restocking charge. 10. In cases where an item is accepted, for which the original purchase document can not be determined, the price will be based on the list price that was effective twelve months prior to the RMA date. Effective: February 22, 2006 11. Credit issued will be applied to future purchases only. PRICING AND REBATES Prices are subject to change without prior notice. Price changes are effective on a specific date and all orders received on or after that date will be billed at the revised price. Rebates for price declines and added charges for price increases will not be made for stock on hand at the time of any price change. PAGE 48 — MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) NOTE PAGE MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) — PAGE 49 OPERATION & PARTS MANUAL HERE'S HOW TO GET HELP PLEASE HAVE THE MODEL AND SERIAL NUMBER ON-HAND WHEN CALLING UNITED STATES Multiquip Corporate Office 18910 Wilmington Ave. Tel. (800) 421-1244 Carson, CA 90746 Fax (800) 537-3927 Contact: mq@multiquip.com Mayco Parts 800-306-2926 Fax: 800-672-7877 310-537-3700 Fax: 310-637-3284 Service Department 800-421-1244 Fax: 310-537-4259 310-537-3700 MQ Parts Department 800-427-1244 310-537-3700 Fax: 800-672-7877 Fax: 310-637-3284 Warranty Department 800-421-1244, Ext. 279 Fax: 310-537-1173 310-537-3700, Ext. 279 Technial Assistance 800-478-1244 Fax: 310-631-5032 MEXICO UNITED KINGDOM MQ Cipsa Carr. Fed. Mexico-Puebla KM 126.5 Momoxpan, Cholula, Puebla 72760 Mexico Contact: pmastretta@cipsa.com.mx Multiquip (UK) Limited Head Office Hanover Mill, Fitzroy Street, Ashton-under-Lyne, Lancashire OL7 0TL Contact: sales@multiquip.co.uk Tel: (52) 222-225-9900 Fax: (52) 222-285-0420 CANADA Tel: 0161 339 2223 Fax: 0161 339 3226 BRAZIL Multiquip 4110 Industriel Boul. Laval, Quebec, Canada H7L 6V3 Contact: jmartin@multiquip.com Tel: (450) 625-2244 Fax: (450) 625-8664 Multiquip Av. Evandro Lins e Silva, 840 - grupo 505 Tel: 011-55-21-3433-9055 Barra de Tijuca - Rio de Janeiro Fax: 011-55-21-3433-9055 Contact: cnavarro@multiquip.com.br, srentes@multiquip.com.br © COPYRIGHT 2007, MULTIQUIP INC. Multiquip Inc, the MQ logo and the Mikasa logo are registered trademarks of Multiquip Inc. and may not be used, reproduced, or altered without written permission. All other trademarks are the property of their respective owners and used with permission. This manual MUST accompany the equipment at all times. This manual is considered a permanent part of the equipment and should remain with the unit if resold. The information and specifications included in this publication were in effect at the time of approval for printing. Illustrations, descriptions, references and technical data contained in this manual are for guidance only and may not be considered as binding. Multiquip Inc. reserves the right to discontinue or change specifications, design or the information published in this publication at any time without notice and without incurring any obligations. Your Local Dealer is:
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