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TECUMSEH POWER Basic Troubleshooting and Service Information TecumsehPower ENGINES & TRANSMISSIONS i TABLE OF CONTENTS Safety Definitions ....� ii General Safety Precautions .................................................................................................................... 1 General Information .� 2 Reviewing The Engine ID Label .............................................................................................................. 3 Model Numbering Identification for TecumsehPower's Full Engine Line ................................................ 4 Spark Plug Replacement (4-Cycle) ......................................................................................................... 5 Spark Plug Replacement (2-Cycle and Europa) ..................................................................................... 6 Fuel Recommendations .......................................................................................................................7-8 TecumsehPower 4-Cycle Lubrication Requirements ............................................................................... 9 4-Cycle Troubleshooting ................................................................................................................... 10-11 TecumsehPower 2-Cycle Engine Oil Requirements .............................................................................. 12 2-Cycle Troubleshooting ...................................................................................................................13-14 4-Cycle Cross Reference for Specification-To-Model Number Designation (Vertical Engines) ............. 15 4-Cycle Cross Reference for Specification-To-Model Number Designation (Horizontal Engines) ........ 16 2-Cycle Cross Reference for Specification-To-Model Number Designation (Vertical and Horizontal Engines) ...................................................................................................... 16 TecumsehPower and Peerless® Model and Specification Numbers.................................................17-18 Basic Gear Drive Troubleshooting ....................................................................................................19-20 TecumsehPower and Peerless® Transmission, Transaxle and Gear Products ..................................... 21 LTH 2000 Series Hydrostatic Transaxle Troubleshooting.................................................................21-22 1800 / VST Troubleshooting .................................................................................................................. 23 TecumsehPower and Peerless® Lubrication Requirements .................................................................. 24 Repair Manuals .....� 25 © 2005, 2007 TecumsehPower Company. All Rights Reserved i The information in this guide is intended to assist individuals who are knowledgeable in basic engine repair and maintenance. If you are unfamiliar with two and four cycle engine operation and maintenance, DO NOT attempt any maintenance or repairs. Contact your local TecumsehPower Servicing Dealer for assistance. IMPORTANT NOTICE! TecumsehPower Contact Information Safety Definitions For engine adjustments, repairs or warranty service, contact your nearest Authorized TecumsehPower Servicing Dealer. Find them on our website at www. TecumsehPower.com or call TecumsehPower at 1-800558-5402 or 262-377-2700 if you are located outside the U.S. Statements in this manual preceded by the following words and graphics are of special significance: WARNING Or WARNING WARNING indicates a potentially hazardous situation which if not avoided, could result in death or serious injury. NOTE Refers to important information and is placed in italic type. It is recommended that you take special notice of all items discussed on the next two pages and wear the appropriate safety equipment. Before operating an engine it is your responsibility to read the Operator’s Manual. Follow these basic rules for your personal safety: • Keep this manual handy at all times for future reference. • Read it carefully and familiarize yourself with operating, maintenance, components and safety instructions. Notice Regarding Emissions Engines which are certified to comply with California and U.S. EPA emission regulations for SORE (Small Off Road Equipment), are certified to operate on regular unleaded gasoline, and may include the following emission control systems: (EM) Engine Modification and (TWC) ThreeWay Catalyst (if so equipped). ii General Safety Precautions to store and dispense fuel. TecumsehPower recommends purchasing gasoline in containers with a capacity of 2.5 gallons or less. Small containers are easier to handle and help eliminate spillage during refueling. • DO NOT pour fuel from engine or siphon fuel by mouth. A. Avoid Carbon Monoxide Poisoning All engine exhaust contains carbon monoxide, a deadly gas. Breathing carbon monoxide can cause headaches, dizziness, drowsiness, nausea, confusion and eventually death. C. Adult Supervision of Operation, Refueling and Maintenance Not everyone who is allowed to use an engine is capable of safely and responsibly operating, maintaining and/or fueling it. TecumsehPower recommends the following: • An adult should fuel the engine. NEVER allow children to refuel an engine. • An adult should perform maintenance on an engine. Only allow children to perform maintenance if an adult has determined they are experienced and capable of such operation. • An adult should start the engine. Only allow children to start the engine if an adult has determined they are experienced and capable of such operation. Carbon monoxide is a colorless, odorless, tasteless gas which may be present even if you do not see or smell any engine exhaust. Deadly levels of carbon monoxide can collect rapidly and you can quickly be overcome and unable to save yourself. Also, deadly levels of carbon monoxide can linger for hours or days in enclosed or poorly-ventilated areas. If you experience any symptoms of carbon monoxide poisoning, leave the area immediately, get fresh air, and SEEK MEDICAL TREATMENT. To prevent serious injury or death from carbon monoxide: • NEVER run engine indoors. Even if you try to ventilate engine exhaust with fans or open windows and doors, carbon monoxide can rapidly reach dangerous levels. To avoid unsupervised operation of the engine, especially by children, NEVER leave it unattended when it is running. • NEVER run engine in poorly-ventilated or partially enclosed areas such as barns, garages, basements, carports, under dwellings, or in pits. D. Stay Away from Rotating Parts NEVER operate an engine with an unguarded engine shaft. • NEVER run engine outdoors where engine exhaust can be drawn into a building through openings such as windows and doors. The equipment manufacturer may attach a sprocket and chain or pulley and belt to the engine shaft. If these parts are not properly guarded, or if you are not sure whether they are properly guarded, DO NOT use your engine; contact the equipment manufacturer. Hands, feet, hair, jewelry, clothing, etc. can become entangled in rotating parts, leading to serious injury or death. To avoid serious injury or death, be sure the flywheel guard is in place. B. Avoid Gasoline Fires Gasoline (fuel) vapors are highly flammable and can explode. Fuel vapors can spread and be ignited by a spark or flame many feet away from engine. To prevent injury or death from fuel fires, follow these instructions: • NEVER store engine with fuel in fuel tank inside a building with potential sources of ignition such as hot water and space heaters, clothes dryers, electric motors, etc. • NEVER remove fuel cap or add fuel when engine is running. • NEVER start or operate the engine with fuel fill cap removed. • Allow engine to cool before refueling. • NEVER fill fuel tank indoors. Fill fuel tank outdoors in a well-ventilated area. • DO NOT smoke while refueling tank. • Use only an approved red GASOLINE container 1 General Information The following information is being provided to assist you in locating and recording your engine model and specification numbers. This information will be needed to use this book or obtain parts from a local TecumsehPower dealer. Model Numbering System for TecumsehPower’s Full Engine Line Prior to 2004 Production LOCATING AND READING ENGINE MODEL AND SPECIFICATION THE FOLLOWING WILL BE NEEDED TO LOCATE PARTS FOR YOUR ENGINE. ENGINE: Model TVM195 Specification 150288G ENGINE MODEL TVM195 (DOM) 8150C SPEC NO. 150288G D.O.M 8150C Typical Engine I.D. Label Tecumseh Power Company THIS ENGINE MEETS 1995-1998 CALIF/US EPA PH1 APPLICABLE EMISSION REGULATIONS FOR ULGE ENGINES FUEL REGULAR UNLEADED OIL SAE 30 TVM195 150288G (E) STP318U1G2EA 318 8150 C ENGINE MODEL NUMBER LOCATED UNDER COVER ENGINE MODEL NUMBER LOCATIONS ENGINE MODEL NUMBER LOCATIONS 2 Model Numbering System for Current TecumsehPower’s Full Engine Line Reviewing The Engine ID Label Effective with the 2004 Model Year, we have changes to the engine I.D. label on our products. The following pages will explain the information contained on the label dependent on the age of your product. Specification Number The numbers following the model number make up the specification number. Using model LV195EA-361541B, as an example, interpretation is as follows: LV195EA-361541B is the model and specification number. (B) { { { L V 195 E A - 361541B Warranty Code Is the specification number used for properly identifying the parts of the engine Indicates a standard power configuration Indicates EPA/CARB compliant Indicates a 195 cc displacement Indicates a vertical shaft configuration Indicates an L-Head, side valve configuration Typical Engine I.D. Label Locations Date of Manufacture The Date of Manufacture (D.O.M.) indicates the production date. For this example, 03188BC0010 is the D.O.M. (Date of Manufacture). Year 2003 03 Day of Year Mfg 188th Facility 188 B Assembly Line / Shift C Individual Serial # 10th unit built ENGINE MODEL NUMBER LOCATED UNDER COVER 0010 ENGINE MODEL NUMBER LOCATIONS ENGINE MODEL NUMBER LOCATIONS 3 Model Numbering Identification for TecumsehPower’s Full Engine Line CURRENT CODE Prior to 2004 Model Number Conversion Chart (effective 2004 production) 1st Space - Valve Orientation T = Two Cycle O = Overhead Valve 4-Cycle L = L-Head LEV90 LEV120 HSSK50 HSSK55 VSK90 OHV135 OHV180 TVT691 VTX691 2nd Space - Crank Orientation V = Vertical H = Horizontal M = Multi-position 3rd, 4th and 5th Space - Displacement - LV148EA LV195EA LH195SA LH195SP LV148SA OV358EA OV490EA OV691EA OV691EP 6th Space - Emissions Class OHH60 OHH65 OHSK70 OHSK75 HMSK90 HMSK110 OHSK110 OHSK130 OHM110 - OH195EA OH195EP OH195SA OH195SP LH318SA LH358SA OH318SA OH358SA OH318EA 2-Cycle E = 50 State/Global Emissions Compliant X = Not for sale in California, except exempt applications TC300 HSK870 HSK600 AV520 S = Snow Emission Compliant - TM049XA TH139SP TH098SA TV085XA 7th Space - Engine Specifics A = Standard (OHH50-60), (OHSK50-70) P = Power Up (OHH65-70, OHSK75-775) 4-Cycle ECH ECV HHH HHM - HM HMSK HMXL HS HSSK HXL LAV LEV LH LV OH OHH OH195 OHM OHSK OHV OV OVM - Exclusive Craftsman Horizontal Exclusive Craftsman Vertical Horizontal Shaft Horizontal Heavy Duty (Cast Iron) Horizontal Heavy Duty (Cast Iron) (Medium Frame) Horizontal Medium Frame Horizontal Medium Frame (Snow King) Horizontal Medium Frame (Extra Life) Horizontal Small Frame Horizontal Small Frame (Snow King) Horizontal (Extra Life) Lightweight Aluminum Frame Vertical Low Emissions Vertical L-Head Horizontal L-Head Vertical Overhead Valve Heavy Duty (Cast Iron) Overhead Valve Horizontal Overhead Valve Horizontal (195 cc's) Overhead Valve Heavy Duty Horizontal (Medium Frame) Overhead Valve Horizontal (Snow King) Overhead Valve Vertical (Medium Frame) Overhead Valve Vertical Overhead Valve Vertical (Medium Frame) OVRM OVXL TNT TVEM TVM TVS TVT TVXL VVH VLV VLXL VM VSK VTX - 2-Cycle TH TM TV 4 Overhead Valve Vertical (Small Frame) (Rotary Mower) Overhead Valve Vertical (Medium Frame) (Extra Life) Toro ‘N’ TecumsehPower (Toro Exclusive Series) TecumsehPower Vertical European Model TecumsehPower Vertical (Medium Frame) (Replaces V & VM) TecumsehPower Vertical Styled TecumsehPower Vertical Twin TecumsehPower Vertical (Extra Life) Vertical Shaft Vertical Heavy Duty (Cast Iron) Vector Lightweight Vertical Vector Lightweight Vertical (Extra Life) Vertical Shaft (Medium Frame) Vertical Snow King Vertical Twin Two Cycle Horizontal Shaft Two Cycle Multiposition Operation Two Cycle Vertical Shaft TecumsehPower Spark Plug Replacement NOTE: Only models which will continue to be manufactured long term will have an updated Model designation. 4-CYCLE SPARK PLUG Service Number 34277 Service Number 33636 Service Number 35395 RJ19LM ECV100-120 HMSK70, LH318SA (HMSK80), HMSK90 HSK30-70 HSSK40, LH195SA (HSSK50), LH195SP (HSSK55) LH358SA (HMSK100), HMSK110 LEV80, LV148EA (LEV90), LV195EA (LEV120) LV148SA (VSK90), VSK100 TNT100 TNT120 TVS75-120 TVXL90-120 RJ17LM RJ8C H30-80 HM70-100 HS40-50 TVM195-220 TVXL195-220 VLV-all H22 H25 HH40-120 HHM80 HMXL70 HT30 HT35 HXL35 LAV25-50 TVM125-170 V40-80 VH40-100 VM70-100 Service Number 35552 Service Number 34645 RL82C HH140-160 OH120-160 RN4C OH318EA (OHM90-110) OHM120 OH195EA (OHH60), OH195EP (OHH65) OHH/OHSK40-130 OH195SA (OHSK70), OH195SP (OHSK75) ‡ OH318SA (OHSK110), OH358SA (OHSK120-130) OH180 OV195EA OV358EA (OHV110-135), OV490EA (OHV140-180) OV691EP (VTX691, TVT691) OVM120 * OVXL120 * OVXL/C120 * OVXL125 OV195 † NOTE: 35395 35552 34046 34645 33636 34277 Note: * OVXL models with specification nos. below 202700 use RL86C. † OHM120 models with specification nos. below 224000 use RL86C. ‡ OHSK110 - 130 models with specification nos. below 223000 use RL86C. THE SERVICE NUMBERS LISTED BELOW WILL GIVE CORRESPONDING CHAMPION AND AUTOLITE SUBSTITUTIONS. - Champion RJ19LM RL82C RL86C RN4C RJ17LM RJ8C Autolite NA 4092 425 403 245 304 SPARK PLUG AIR GAP ON ALL MODELS IS .030 (.762 mm) Service Number 34046 RL86C † OHM120 OH318SA (OHSK110), OH358SA (OHSK120-130) OVM120 * OVXL120 * OVXL/C120 * OVXL125 ‡ 3/8" 9.525 mm OHM120 models with specification nos. 224000 and up, use RN4C. ‡ OHSK110, OHSK120-130 models with specification nos. 223000 and up, use RN4C. 3/4" 19.050 mm NOTE: Not all spark plugs have the same heat range or reach. Using an incorrect spark plug can cause severe engine damage or poor performance. TecumsehPower uses all three of the reaches shown. Note: * OVXL models with specification nos. 202700, 203000 and up, use RN4C. † 1/2" 12.700 mm FOR TWO CYCLE INFORMATION REFER TO NEXT PAGE. Note: If you need assistance locating your engine model numbers please check page 3 or 4. 5 TecumsehPower Spark Plug Replacement NOTE: Only models which will continue to be manufactured long term will have an updated Model designation. 2-CYCLE SPARK PLUG Service Number 611100 RCJ6Y TC300 TCH300 TM049XA Service Number 33636 Service Number 35395 RJ17LM AV600 AV520 TVS600 TV085XA Service Number 611049 RJ19LM RCJ8Y TVS840 TVXL840 AH520 AH600 HSK840 HXL840 TC200 TCH200 Type 1500 TH098SA HSK600 HSK635 TH139SA HSK845, 850 TH139SP HSK870 EUROPA MODELS 4-CYCLE SPARK PLUG RJ17LM Service Number 33636 All Horizontal Models BV BVL BVS Centura Futura HTL Service Number 34645 RN4C LAV Legend Premier 153/173 Prisma Spectra Synergy Vantage Centrua OHV Futura OHV Synergy OHV 2-CYCLE SPARK PLUG Service Number 33636 RJ17LM AV85/125 AV520/600 NOTE: Geotec OHV Premier 45/55 MV100S TVS600 THE SERVICE NUMBERS LISTED BELOW WILL GIVE CORRESPONDING CHAMPION AND AUTOLITE SUBSTITUTIONS. 35395 33636 611100 611049 - Champion Autolite RJ19LM RJ17LM RCJ-6Y RCJ-8Y NA 245 2974 2976 SPARK PLUG AIR GAP ON ALL MODELS IS .030 (.762 mm) 1/2" 3/4" 3/8" 9.525 mm 12.700 mm 19.050 mm NOTE: Not all spark plugs have the same heat range or reach. Using an incorrect spark plug can cause severe engine damage or poor performance. TecumsehPower uses all three of the reaches shown. Note: If you need assistance locating your engine model numbers please check page 3 or 4. 6 Fuel Recommendations Today’s fuels have a short shelf life and it is recommended you buy no more than a two week supply at a time. GASOLINE TecumsehPower strongly recommends the use of fresh, clean, unleaded regular gasoline in all TecumsehPower engines. Unleaded gasoline burns cleaner, extends engine life, and promotes good starting by reducing the build-up of combustion chamber deposits. Leaded gasoline, gasohol containing no more than 10% ethanol, premium gasoline, or unleaded gasoline containing no more than 15% MTBE (Methyl Tertiary Butyl Ether), 15% ETBE (Ethyl Tertiary Butyl Ether) or 10% ethanol, can be used if unleaded regular gasoline is not available. Reformulated gasoline that is now required in several areas of the United States is also acceptable. NEVER USE gasoline, fuel conditioners, additives or stabilizers containing methanol, gasohol containing more than 10% ethanol, unleaded regular gasoline containing more than 15% MTBE (Methyl Tertiary Butyl Ether), 15% ETBE (Ethyl Tertiary Butyl Ether) or 10% ethanol, gasoline additives, or white gas because engine/fuel system damage could result. SPECIALTY FUELS Fuels being marketed for use on small engines can have a significant effect on starting and engine performance. Prior to using any specialty fuel, the Reid Vapor Pressure (RVP) must be determined. Fuels with a rating of less than 50kPa (7psi) should not be used in summer, and fuel with a rating of 85kPa (12psi) should not be used during winter. SHORT TERM STORAGE WARNING NEVER store the engine with fuel in the fuel tank inside a building with potential sources of ignition such as hot water and space heaters, clothes dryers, electric motors, etc. If engine fuel stored in the gas tank and/or an approved gas container is to be unused without gasoline stabilizer for more than 15-30 days, prepare it for short term/seasonal storage. TecumsehPower recommends using ULTRA-FRESH™ or Fuel Saver Plus Gasoline Stabilizer plus Fuel System Cleaner as an acceptable method of minimizing formation of fuel gum deposits during storage. This product is available from your Authorized TecumsehPower Servicing Dealer. Always follow mix ratio found on stabilizer container. Failure to do so may result in equipment damage. It is not necessary to drain stabilized gas from carburetor. FUEL TREATMENT 1. Add fuel stabilizer according to manufacturer’s instructions. 2. Run engine at least 10 minutes after adding stabilizer to allow it to reach carburetor. 3. Instead of using a fuel preservative/stabilizer, you can empty the fuel tank as described under "Extended Storage”. 7 Fuel Recommendations - continued EXTENDED STORAGE NOTES Clean debris from engine before draining fuel from carburetor. If you have prepared your fuel for short term storage it is not necessary to drain fuel that contains stabilizer from your carburetor. To avoid severe injury or death, DO NOT pour fuel from engine or siphon fuel by mouth. 1. To prevent serious injury from fuel fires, empty fuel tank by running engine until it stops from lack of fuel. DO NOT attempt to pour fuel from engine. 2. Run the engine while waiting until the remaining fuel is consumed. NEVER leave the engine unattended when it is running and NEVER run engine in enclosed areas. FUEL ADDITIVES Only fuel additives such as TecumsehPower’s fuel stabilizer Part No. 730245A or liquid varieties can be used when mixed properly. For winter applications, Isopropyl alcohol fuel dryers may be used in the fuel system but must be mixed at the proper ratio recommended by the manufacturer. NEVER USE METHANOL BASED FUEL DRYERS. 8 TECUMSEHPOWER 4-CYCLE LUBRICATION TecumsehPower recommends the use of a high quality, brand name oil with a minimum classification of SL/SJ. Very few air cooled engines have any type of oil filtration system, making regular oil changes critical to remove impurities from the engine and maximize engine life. Consult the operator's or repair manual for the oil change interval and viscosity based on equipment operating temperature. TecumsehPower 4-CYCLE ENGINE OIL shown with model names prior to 2004 CLASSIFICATIONS: “SL/SJ" DO NOT USE 10W40 CAPACITIES: Engine Model ml All LAV, TVS, LEV, OVRM ................................ 630 ECV, TNT .......................................................... 630 V & VH50-70 ..................................................... 810 TVM 125, 140 ................................................... 810 TVM 170-220 .................................................... 960 VM70-100, HHM80 ........................................... 960 VH100 ............................................................... 1500 All VLV .............................................................. 810 VSK90-100 ......................................................... 630 OVM120, OVXL120, 125 .................................. 960 OHV11-13 Without Filter ................................... 960 OHV11-13 With Filter .........................................1170 OHV13.5-17 With Filter..................................... 1800 OHV13.5-17 Without Filter................................ 1650 TVT691 With Filter ............................................ 2150 TVT691 Without Filter ....................................... 1950 H, HSK30-35..................................................... 630 HS, HSSK40-50 ................................................ 630 H, HH, HSK50-70 ............................................. 570 OHH/OHSK50-70 ............................................. 630 HMSK, HM70-100............................................. 720 OHSK80-100 .................................................... 720 OHM120, OHSK110*-130 ................................. 840 HH100,120, OH120-180 ................................... 1560 Oz. 21 21 27 27 32 32 50 27 21 32 32 39 61 55 71 64 21 21 19 21 26 26 28 52 *NOTE: Model OHSK110 with a spec. of 221000 and up, have a capacity of 26 oz. (720 ml). TecumsehPower 4-CYCLE ENGINE OIL shown with model names 2004 production and later Engine Model LH195SA, LH195SP LH318SA, LH358SA LV148EA, LV148SA LV195EA OH195EA, OH195EP OH195SA, OH195SP OH318EA OH358SA OV195EA OV358EA With Filter OV358EA Without Filter OV490EA With Filter OV490EA Without Filter OV691EA With Filter OV691EA Without Filter OV691EP With Filter OV691EP Without Filter ml 630 720 630 630 630 630 720 840 630 1170 960 1800 1650 2150 1950 2150 1950 Oz. 21 26 21 21 21 21 26 28 21 39 32 61 55 71 64 71 64 EUROPA MODELS * VERTICALS Vantage Prisma Synergy Synergy "55" Spectra Futura HTL BVS HORIZONTALS BH Series Geotec Series 35-50 ml Oz. 630 630 21 21 630 630 630 810 630 630 630 630 21 21 21 27 21 21 21 21 NOTE: Vertical shaft engines with auxiliary PTO: 26 oz. (700 ml). 9 Four Cycle Troubleshooting The following is provided as a basic troubleshooting guide. Its use requires a complete review of all conditions and symptoms. Always examine the exterior for clues: leaks, excessive dirt, or obvious damage. Some repairs will require the assistance of a TecumsehPower Servicing Dealer. Preparation Before troubleshooting any system problem, see original equipment manufacturer’s (O.E.M.) instructions. Make your troubleshooting easier by preparing as follows: • Work in a clean, well-lighted place. • Keep proper tools and materials nearby. • Keep an adequate supply of clean petroleum-based solvent. To reduce the risk of serious injury or death from fires and/or explosions, NEVER use flammable solvents (e.g., gasoline) to clean serviceable parts. Use a water-based, non-flammable solvent such as TecumsehPower Degreaser Cleaner. CAUTION NEVER use compressed air to clean debris from yourself or your clothing. When using compressed air to clean or dry serviceable parts: • Wear appropriate eye protection. • Air pressure must not exceed 30psi (206kPa). • Use only approved air blow nozzles. • Shield yourself and bystanders from flying debris. FUEL SYSTEM Engine Will Not Start Check if spark plug is wet or dry Wet Dry Defective spark plug Use Tester 670366 Review with the customer proper priming procedure (3-5 primes, waiting 2 seconds between each prime) Restricted air filter If equipped with a choke, check for full travel. Check throttle cable and control for proper adjustment. Improper or stale fuel Check fuel supply and fuel cap vent Exhaust ports plugged Restriction in fuel system (filter) Carburetion problems due to flooding, over priming, etc.* Carburetion problem* (bad bowl gasket) Ignition System Poor Compression Should more extensive repair be needed, we recommend you contact a local TecumsehPower Servicing Dealer for repair. Repair manuals are also available from your local dealer or direct from www.TecumsehPower.com. A complete list of the available manuals can be found at the end of this book. NOTE: Refer to Technician's Handbook for a more detailed list of remedies. 10 Four Cycle Troubleshooting - continued To reduce the risk of serious injury or death from fires and/or explosions, NEVER use flammable solvents (e.g., gasoline) to clean serviceable parts. Use a water-based, non-flammable solvent such as TecumsehPower Degreaser Cleaner. CAUTION NEVER use compressed air to clean debris from yourself or your clothing. When using compressed air to clean or dry serviceable parts: • Wear appropriate eye protection. • Air pressure must not exceed 30psi (206kPa). • Use only approved air blow nozzles. • Shield yourself and bystanders from flying debris. IGNITION SYSTEM Engine Will Not Start Check for Spark Spark No Spark Check flywheel for correct key, damaged or sheared key Replace spark plug Set proper air gap on external coil Set proper point gap, check condensor and timing Test coil for intermittent or weak spark Isolate engine from all equipment (disconnect wiring harness), repeat test Spark No Spark Equipment problem, check switches, wiring and equipment controls Engine problem, check for shorts or grounds in wiring Parasitic load too high Test ignition module Should more extensive repair be needed, we recommend you contact a local TecumsehPower Servicing Dealer for repair. Repair manuals are also available from your local dealer or direct from www.TecumsehPower.com. A complete list of the available manuals can be found at the end of this book. NOTE: Refer to Technician's Handbook for a more detailed list of remedies. 11 TECUMSEHPOWER 2-CYCLE ENGINE OIL The proper type and ratio of 2-cycle oil is critical to long life and low maintenance of the engine. The use of non-certified oils and improper mix ratio’s can cause severe engine damage and possibly void warranty consideration. The following is a list of 2-cycle engine oil classifications which are certified for use in TecumsehPower 2-cycle engines: • • • National Marine Manufactures Association, (NMMA), TC-WII or TC-W3 American Petroleum Institute, (API), TC Japanese Automobile Standard Organization, (JASO), FB or FC TWO-CYCLE FUEL/OIL MIX RATIOS 24:1 32:1 AV520 Types 670 & 653, TV085 TV085XA (AV600 Type 600-10 & Up) TC200, TCH200, TCH300 TM049XA (TC300) MV100S 50:1 TVS600 ALL TYPES AH600 TVS / TVXL HSK840 - 870 - TH139 HSK600 - 635 - TH098 Sears/Craftsman 40:1 2-Cycle Oil has been tested and approved for use in all engines, EXCEPT the TC / TM Models which require a 24:1 Ratio. 2-CYCLE SYNTHETIC BLEND ENGINE OIL WITH FUEL STABILIZER ENGINE FUEL MIX U.S. Gasoline 24:1 PART NO. 730227D TecumsehPower 2-CYCLE ENGINE OIL may be used in a variety of 2-cycle engines including: outboards, lawnmowers, snow-blower, string trimmers, and edgers at any fuel/oil mixing ratio up to 50:1. 32:1 50:1 • Superior Lubricity Extends engine life by reducing wear • Longer Spark Plug life through reduced fouling • Reduces Carbon Build-Up extending required service intervals • Helps maintain emissions compliance which helps our environment • Contains Fuel Stabilizer-Extends fuel life and protects fuel system 12 U.S. Amount of Oil To Be Added METRIC Petrol METRIC Amount of Oil To Be Added 1 Gallon 5 oz. 4 Liters 167 ml 2 Gallons 11 oz. 8 Liters 333 ml 5 Gallons 27 oz. 20 Liters 833 ml 1 Gallon 4 oz. 4 Liters 125 ml 2 Gallons 8 oz. 8 Liters 250 ml 5 Gallons 20 oz. 20 Liters 625 ml 1 Gallon 2.5 oz. 4 Liters 80 ml 2 Gallons 5 oz. 8 Liters 160 ml 5 Gallons 13 oz. 20 Liters 400 ml Two Cycle Troubleshooting The following is provided as a basic troubleshooting guide. Its use requires a complete review of all conditions and symptoms. Always examine the exterior for clues: leaks, excessive dirt, or obvious damage. Some repairs will require the assistance of a TecumsehPower Servicing Dealer. Preparation Before troubleshooting any system problem, see original equipment manufacturer’s (O.E.M.) instructions. Make your troubleshooting easier by preparing as follows: • Work in a clean, well-lighted place. • Keep proper tools and materials nearby. • Keep an adequate supply of clean petroleum-based solvent. To reduce the risk of serious injury or death from fires and/or explosions, NEVER use flammable solvents (e.g., gasoline) to clean serviceable parts. Use a water-based, non-flammable solvent such as TecumsehPower Degreaser Cleaner. CAUTION NEVER use compressed air to clean debris from yourself or your clothing. When using compressed air to clean or dry serviceable parts: • Wear appropriate eye protection. • Air pressure must not exceed 30psi (206kPa). • Use only approved air blow nozzles. • Shield yourself and bystanders from flying debris. FUEL SYSTEM Engine Will Not Start Check if spark plug is wet or dry Wet Dry Defective spark plug Review with customer priming or choking procedure (3-5 primes, if equipped, waiting 2 seconds between each prime) Restricted air filter If equipped with a choke, check for full travel. Check throttle cable and control for proper adjustment. Improper fuel mix or stale fuel Carburetion problem* (bad bowl gasket) Sheared or partially sheared flywheel key Check fuel supply and fuel cap vent Carburetion problems due to flooding, over priming, etc.* Restriction in fuel system (filter, screen) Ignition System Poor compression Crankcase seals or gaskets leaking Damaged reed, port plugs, seals or gaskets Should more extensive repair be needed, we recommend you contact a local TecumsehPower Servicing Dealer for repair. Repair manuals are also available from your local dealer or direct from www.TecumsehPower.com. A complete list of the available manuals can be found at the end of this book. NOTE: Refer to Technician's Handbook for a more detailed list of remedies. 13 Two Cycle Troubleshooting - continued To reduce the risk of serious injury or death from fires and/or explosions, NEVER use flammable solvents (e.g., gasoline) to clean serviceable parts. Use a water-based, non-flammable solvent such as TecumsehPower Degreaser Cleaner. CAUTION NEVER use compressed air to clean debris from yourself or your clothing. When using compressed air to clean or dry serviceable parts: • Wear appropriate eye protection. • Air pressure must not exceed 30psi (206kPa). • Use only approved air blow nozzles. • Shield yourself and bystanders from flying debris. IGNITION SYSTEM Engine Will Not Start Check for Spark Spark No Spark Check flywheel for correct key, damaged key or key adaptor Replace spark plug Set proper air gap on external coil Set proper point gap, check condensor and timing (if equipped) Test coil for intermittent or weak spark Check electric starter if applicable Isolate engine from all equipment (disconnect wiring harness), repeat test Spark No Spark Equipment problem, check switches, wiring and equipment controls Engine problem, check for shorts or grounds in wiring Parasitic load too high Test ignition module Should more extensive repair be needed, we recommend you contact a local TecumsehPower Servicing Dealer for repair. Repair manuals are also available from your local dealer or direct from www.TecumsehPower.com. A complete list of the available manuals can be found at the end of this book. NOTE: Refer to Technician's Handbook for a more detailed list of remedies. 14 Cross Reference for Specification - To - Model Number Designation This cross reference chart allows you to determine an engine Model Number if you only have the Specification Number. VERTICAL 4-CYCLE ENGINES Specification Number Series 10000 12000 20000 20500 21000 21800 22000 23000 23500 30000 33000 40000 42000 42600 42900 43000 43600 43700 43900 44000 44600 44800 46000 46600 48000 50000 50200 52600 52800 52900 53000 53600 53800 53900 54000 56000 56600 56800 56900 57000 57600 57800 57900 60000 61000 61600 61800 61900 62000 62100 63000 63200 63600 63900 66000 66100 70000 80000 90000 100000 125000 127000 127200 135000 Model Number TNT100 TNT120 LAV25, OVRM55 OVRM105 OVRM60 OVRM60 OVRM65, OVRM120 OV195EA (RM) OV195EA (Utility) LAV30 TVS75 LAV35 OVRM905 (Sears Only) OVRM40, OVRM45 (Premier Engine) OVRM40 (High Tech Look) TVS90 TVS90 (Premier Engine) TVS90, TVXL90 TVS90 (High Tech Look) TVS100 TVS100 (Premier Engine) TVS100 TVS90, TVXL90 TVS90 TVS90 V40 LAV40 OVRM50, OVRM55 (Premier Engine) OVRM50, OVRM55 OVRM50, OVRM55 (High Tech Look) TVS105 TVS105 (Premier Engine) TVS105 TVS105 (High Tech Look) TVXL105 TVS105, TVS & TVXL115 TVS105, TVS115 (Premier Engine) TVS115 TVS105, TVS115 (High Tech Look) TVS & TVXL115 TVS115 (Premier Engine) TVS115 TVS115 (High Tech Look) V50, TVM125 TVS & TVXL115 TVS & TVXL115 TVS115 TVS115 LAV50 LAV50 & TVS115 TVS120 TVS120, TVEM120 TVS120 (Premier Engine) TVS120 (High Tech Look) TVS120 TVS120 V60, TVM140 VH40 VH50 VH60 V70 VM70, TVM170 TVXL170 VH70 Specification Number Series 145000 147000 148000 149000 150000 150200 150500 151000 151500 152000 157000 157200 157400 200000 202000 202200 202300 202400 202500 202600 202700 203000 203200 203500 203600 203800 204000 204200 204400 204500 204600 204800 206000 206200 206400 206600 206800 206900 208000 334000 334500 335000 338000 338500 340000 345000 346000 347000 348500 350000 355000 360000 361000 361400 361500 362000 400000 500000 501000 502000 502500 600400 600800 600900 15 Model Number ECV100 ECV105 VH80 VH100 V & VM80, TVM195 TVM & TVXL195 TVM195 ECV110, TVM195 TVM220 ECV120 VM100, TVM220 TVM & TVXL220 TVM220 OVM120 OVXL120, OVXL125 OVXL120 (I/C) OHV11, OHV115 OVXL125 OHV115 OVXL125 (I/C) OHV12, OVXL120 (Tec.1200) OHV125, OVXL125 (Tec1250) OHV13 OVXL125 (Tec.1250I/C), OHV13/135 OHV14/140 OHV145 OHV15/150 OHV16/160 OHV165 OHV155 OHV17/170 OHV175 OHV110 OHV115 OHV120 OHV125 OHV130 OHV135,OV358EA (Sm. Enduro) OHV180,OV490EA (Lg. Enduro) LEV90, LV148EA VSK90, LV148SA LEV100 LEV100 VSK100 LEV100 LEV100 LEV105 LEV105 VSK105 LEV115 LEV115 LEV115 LEV120 VSK120 LEV120, LV195EA (Utility) LEV120, LV195EA (RM) VLV40 ULT, VLV B24, VLXL50, & VLV126 ULT, VLV, VLXL55, & VLV126 ULT, VLV60, VLV65, & VLV126 VLV65, VLV66 TVT691 TVT691, OV691EA (Twin) VTX691, OV691EP (Twin) Cross Reference for Specification - To - Model Number Designation This cross reference chart allows you to determine an engine Model Number if you only have the Specification Number. HORIZONTAL 4-CYCLE ENGINES Specification Number Series 15000 25000 26000 35000 35400 35800 36700 45000 45400 45800 46700 47000 55000 55200 55500 55700 55800 55900 65000 65300 67000 67500 68000 68500 69000 69500 71100 71500 71700 71800 71900 72000 72500 73500 75000 76000 85000 95000 105000 110000 115000 Specification Number Series 120000 130000 130200 132000 132500 140000 146000 155000 155000 155800 155900 156000 156500 159000 159900 159950 160000 170000 170000 175000 180000 190000 220000 221000 221200 221400 221600 221700 221800 222000 222300 222500 222700 223000 223400 223600 223700 223800 Model Number H22 H25 OHH45 H30 HSK30 H30 H30 H & HT35 HSK35 H35 H35 HXL35 H40 HS & HSSK40 HSK40 H40 H40 HSSK40 H50 HSK50 HS & HSSK50, LH195SA HSSK55, LH195SP OHH50 OHSK50 OHH55 OHSK55 OHH60, OH195EA OHSK60 OHH65 OHH65, OH195EP OHSK65 OHH70 OHSK70, OH195SA (Premium) OHSK75, OH195SP (Premium) H60 HSK60 HH40 HH50 HH60 HH80 HH100 Model Number HH120 H70 HSK70 HM & HMSK70 HMXL70 HH70 ECH90 H & HM80 HMSK80 HM85 HM & HMSK85 HM90 HMSK90, LH318SA HM & HMSK100, LH358SA HMSK105 HMSK110 HH & OH140 HH150 & 160 OH160 OH120 OH180 HHM80 OHM120 OHSK110 OHSK80 OHSK90 OHSK100 OHSK110 OHSK115, OH318SA (Premium) OHSK120 OHM90 OHM100 OHM110, OH318EA OHSK90 OHSK110 OHSK120 OHSK125 OHSK130, OH358SA (Premium) HORIZONTAL 2-CYCLE ENGINES VERTICAL 2-CYCLE ENGINES Specification Number Series Model Number Specification Number Series Model Number 3600 670000 TC300, TM049XA AV520, TV085XA 1720 8300 8700 HSK635, TH098SA HSK850, TH139SA HSK870, TH139SP 16 TECUMSEHPOWER AND PEERLESS® MODEL AND SPECIFICATION NUMBERS The following information is being provided to assist you in locating and recording your TecumsehPower transmission components model and specification numbers. This information will be needed to use this book or obtain parts from a local TecumsehPower dealer. RIGHT ANGLE DRIVES 100 SERIES 1100 SERIES A or B 300 SERIES 1200 SERIES A A A or B 700 SERIES A or B A 600 SERIES A A or B A 810 SERIES 801 SERIES 2600 SERIES 2800 SERIES A A 900 SERIES 920 SERIES 930 SERIES 910 SERIES A 1300 SERIES A 2400 SERIES A 915 SERIES 820 SERIES 2300 SERIES A 2500 SERIES A or B A A or B MST 850 SERIES LTH SERIES 2100 SERIES THE MODEL NUMBER WILL BE FOUND ON: A. Metal tag or decal attached to unit in the location shown. B. Stamped on unit in the location shown. 17 LDP-10 Various Styles of Identification Used On TecumsehPower and Peerless Transmission, Transaxle and Gear Products MOD 506 PEERLESS 1 275 1374 SPECIFICATION NUMBER REQUIRED FOR WARRANTY MODEL NUMBER REQUIRED FOR WARRANTY TECUMSEHPOWER Individual Serial Number Manufactured on the 275th Day Manufactured in 1991 SPECIFICATION NUMBER REQUIRED FOR WARRANTY MODEL NUMBER REQUIRED FOR WARRANTY SPECIFICATION NUMBER REQUIRED FOR WARRANTY TECUMSEHPOWER TECUMSEHPOWER MODEL NUMBER REQUIRED FOR WARRANTY D.O.M. (DATE OF MANUFACTURE) ORIGINAL SERIAL NUMBER D.O.M. (DATE OF MANUFACTURE) ORIGINAL SERIAL NUMBER D.O.M. (DATE OF MANUFACTURE) ORIGINAL SERIAL NUMBER Early Models were not identified with a model number on the unit. 18 Preparation Basic Gear Drive Troubleshooting NOTE Before troubleshooting any system problem, see original equipment manufacturer’s (O.E.M.) instructions. Make your troubleshooting easier by preparing as follows: • Work in a clean, well-lighted place. • Keep proper tools and materials nearby. • Keep an adequate supply of clean petroleum-based solvent. To avoid carbon monoxide poisoning, make sure engine is outdoors in a well-ventilated area. WARNING Some maintenance procedures cannot be performed until the vehicle wheels are secured and off the ground. Failure to do so could result in death or serious injury to yourself and/or bystanders. WARNING DO NOT attempt any maintenance procedures with the engine running. Doing so could result in death or serious injury to yourself and/or bystanders. WARNING Use care when performing inspection of the drive belt assembly including all vehicle linkage. Failure to do so could result in death or serious injury to yourself and/or bystanders. Hard Shifting Transaxles and Drive Belts Often hard shifting is blamed on an internal problem in the transaxle. To determine if the problem is transaxle or equipment related make these simple checks. 1. Turn the unit off so that all power is removed to the transaxle. 2. With the unit off, move the shift lever through the shift gate. Movement of the lever should have only slight resistance. The shifting effort should be equal when the engine is off and when running. If the unit is difficult to shift the problem would be internal and the transaxle would need to be removed and repaired. 3. If the unit shifts with ease, check the following areas that would be equipment related. Check to see if the belt is releasing from the pulley on the engine and transmission / transaxle, it may require that the belt guides be repositioned. The distance required from the pulley to the guide is typically 1/16" to 3/16" (1.6 mm - 4.8 mm), always check the O.E.M. specs. 4. Check to see if the pulley is damaged and may not be releasing the belt. 5. Confirm the correct length and type of belt, as recommended by the manufacturer, is installed. 1/16" to 3/16" (1.6 mm - 4.8 mm) THIS DIMENSION VARIES FROM EACH MANUFACTURER For proper declutching to occur, it is very important that the engine belt guide be set at a predetermined clearance when engaged (set by the manufacturer) and away from the belt with the belt engaged. With clutch disengaged, it is very important that the belt blossoms away from the engine pulley. Belt must stop turning before transaxle shifting can occur. Improper belt or belt guide clearance will not allow the belt to disengage, causing internal transmission damage. 19 Basic Gear Drive Troubleshooting - continued 6. Check the brake/clutch pedal to make sure that when the pedal is depressed that the idler pulley is releasing the belt tension before it applies the brake. If this does not happen the unit will still be under a load and be impossible to shift. 7. The final area to check would be for damaged or binding shift linkage. Hard shifting with the engine off could be caused by: 1. Shift linkage out of adjustment. 2. Corrosion in the transaxle or transmission. 3. Damaged shift keys, gears, or shifter brake shaft. 4. Belt guides missing or improperly adjusted (see equipment manufacturer specs). Unit seems to slip: 1. Check for proper belt adjustment (consult O.E.M. operator's manual). 2. Check for proper clutch/brake adjustment (consult O.E.M. operator's manual). 3. Check pulley condition and wheels for sheared or damaged keys. 4. Check drive belt condition, if glazed or worn, replace it. 5. Possible internal transmission damage. We suggest you contact a local TecumsehPower Servicing Dealer. 20 TecumsehPower and Peerless Transmission, Transaxle and Gear NOTE Before troubleshooting any system problem, see original equipment manufacturer’s (O.E.M.) instructions. Make your troubleshooting easier by preparing as follows: • Work in a clean, well-lighted place. • Keep proper tools and materials nearby. • Keep an adequate supply of clean petroleum-based solvent. To avoid carbon monoxide poisoning, make sure engine is outdoors in a well-ventilated area. WARNING Some maintenance procedures cannot be performed until the vehicle wheels are secured and off the ground. Failure to do so could result in death or serious injury to yourself and/or bystanders. WARNING DO NOT attempt any maintenance procedures with the engine running. Doing so could result in death or serious injury to yourself and/or bystanders. WARNING Use care when performing inspection of the drive belt assembly including all vehicle linkage. Failure to do so could result in death or serious injury to yourself and/or bystanders. LTH-2000 Series Troubleshooting Chart TecumsehPower’s lawn tractor hydrostatic transaxle (LTH) includes a hydrostatic transmission attached to a final drive. Use of this troubleshooting chart will aid in determining the source of a problem; the hydrostatic transmission, final drive or vehicle's belt drive and/or linkage systems. TecumsehPower LTH-2000 Series Hydrostatic Transaxle Troubleshooting Hydrostatic Transmission DIFFICULT TO SHIFT REDUCED POWER SYMPTOM Final Drive PROBLEM CORRECTIVE ACTION Improper belt tension Belt worn, replace Belt worn, glazed, or oil saturated Replace belt Drive pulley worn Replace pulley and belt (See O.E.M. equipment manual) Brake set too tight Set brake adjustment (See O.E.M. equipment manual) Shifter linkage misadjusted or broken Linkage damaged or loose, replace or adjust (See O.E.M. equipment manual) Fluid low in hydrostatic transmission Check and add fluid if low (Part No. 730228A) Hydrostatic transmission bad Replace hydrostatic transmission Linkage broken or bent Repair or replace linkage (See O.E.M. equipment manual) Hydrostatic transmission pump seized Replace hydrostatic transmission Hydrostatic transmission control friction pack misadjusted Replace friction pack washers, tighten nut to 100 in. lbs. (11.2 Nm) loosen nut 4-turns 21 TecumsehPower LTH-2000 Series Transaxle Troubleshooting - continued BRAKE NOT WORKING LEAKING LUBRICANT DOES NOT DRIVE UNIT IS NOISY SYMPTOM PROBLEM CORRECTIVE ACTION Final drive gear noise Check, add gear oil to final drive Check, replace worn gears Check, replace worn bearings Hydrostatic transmission noise Replace hydrostatic transmission Mechanical disconnect not properly engaged, check for obstruction Transaxle clicking Check, replace mechanical disconnect components (If hydrostatic transmission shaft is damaged, replace transmission) Improper belt tension Belt worn, replace (See O.E.M. equipment manual) Brake setting incorrect Adjust brake to proper setting (See O.E.M. equipment manual) Belt worn, glazed, or oil saturated Replace belt (See O.E.M. equipment manual) Drive pulley worn Replace pulley and belt (See O.E.M. equipment manual) Transaxle - hydrostatic transmission bad Replace hydrostatic transmission Shifter linkage misadjusted or broken Linkage damaged or loose, replace or adjust (See O.E.M. equipment manual) Fluid low in hydrostatic transmission Check and add fluid if low (Part No. 730228A) Disconnect is in freewheel position Move control to connected position (See O.E.M. equipment manual) Sheared or missing axle key Replace missing or broken key Damaged or broken final drive gear Check, replace worn or damaged gear Hydrostatic transmission leaking Replace hydrostatic transmission Hydrostatic transmission leaking Replace hydrostatic transmission Final drive leaking at seam Split final drive housing, clean old sealant off, replace seals, apply new sealant (torque bolts 80-120 in. lbs.[9.0 Nm - 13.5 Nm]) Final drive leaking at shaft seal Split final drive housing, clean old sealant off, replace seals, apply new sealant (torque bolts 80-120 in. lbs. [9.0 Nm - 13.5 Nm]) Linkage out of adjustment Adjust brake linkage (See O.E.M. equipment manual) Linkage bent or broken Replace components, set brake (See O.E.M. equipment manual) Brake setting incorrect Adjust brake to proper setting (See O.E.M. equipment manual) 22 1800 / VST Troubleshooting 3. Leakage: The VST and 1800 Series have two oil reservoirs which can be checked for diagnostic purposes. The first is the pump and motor expansion bellows. With a small diameter blunt or round nose probe, check the bellows depth through the center vent hole. Proper depth from the edge of that hole is 3-1/4 - 3-1/2 inches (8.25 - 8.9 cm). The information on this page has been provided to help understand the internal operation of the VST. Do not use this information to attempt any internal repairs. TecumsehPower's current policy on hydrostatic transaxles that have internal failures is to replace the complete unit. This has not changed. However, TecumsehPower would like to provide a failure checklist to assist in making an accurate evaluation of the complete tractor to eliminate any unnecessary replacements. Here is a list of items to check and corrective actions to take. The second chamber is for the output gears including the differential. FIRST make sure the tractor is level, then remove the drain/fill plug. NOTE: Some units that do not have differential disconnect will have two plugs. We recommend using only the primary plug. With a small pocket rule insert until you touch bottom of case. You can then remove it and check for 1/4 - 3/8 inches (6.5 - 9.5 mm) contact, this is full at its 8 oz. capacity. To properly test the unit for power loss. 1. Allow the unit to cool before trying the following steps. 2. Put the shift lever in a position that is 1/2 of the travel distance from neutral to forward. 4. Low ground speed: If the linkage is not synchronized to absolute neutral, or the shift lever is not properly fastened to the tapered control shaft, full forward travel may not be achieved. This may cause a false reading and be misdiagnosed as a low power condition. This also could be caused by the brake not releasing. 3. Place the tractor on a 17o grade. 4. Drive the tractor up the grade (without the mower deck engaged). The loss of power experienced should be approximately 20%. This is considered normal. If the loss of power is approximately 50%, this would be considered excessive. To determine absolute neutral, the hole in the tapered control shaft must face straight up and down, at this point make sure the O.E.M. linkage is in neutral. To properly fasten the control lever to the shaft, torque the nut to 25-35 ft. lbs. (34 - 48.3 Nm) of torque with the shaft and the lever in neutral. 5. Bring the unit to neutral, shift into forward and note the response. Care should be taken to move the lever slowly to avoid an abrupt wheel lift. To determine if the problem is with the hydro unit, all external problem possibilities must be eliminated. Here are some potential problem areas. When attaching the shifter arm to the shaft you must prevent any rotation during torquing. This can be done by placing a long 5/16" bolt in the hole of the shaft. Hold the bolt until the tapers are locked and the nut torque is correct. 1. Overheating: Heat can cause a breakdown in the viscosity of the oil which reduces the pressure used to move the motor. Remove any grass, debris, or dirt buildup on the transaxle cover and / or between the cooling fins and fan. Buildup of material will reduce the cooling efficiency. To make sure that the brake is not binding, drive the unit up a slight grade. Position the speed control lever into neutral. The unit should coast backwards. If the unit does not coast back slowly, the brake is not released from the brake disk. Adjust the brake linkage to release the brake completely when the foot pedal is released. 2. Belt slippage: A belt that is worn, stretched, or the wrong belt (too large or wide) can cause belt slippage. This condition may have the same loss of power symptom as overheating. Typically, the unit which has a slipping belt will exhibit a pulsating type motion of the mower. This can be verified visually by watching the belt and pulley relationship. If the belt is slipping, the belt will chatter or jump on the pulley. If the belt is good, a smooth rotation will be seen. Replace the belt and inspect the pulley for damage. 5. Hard to shift: Typically hard to shift symptoms are not caused by the hydrostatic unit. The shift arm should move with relative ease. Approximately 4050 in. lbs. (4.48 - 5.6 Nm) at the transaxle for foot pedal units or 150-200 in. lbs. (16.8 -22.4 Nm) for hand operated units. This varies depending on the type of linkage. Binding may occur in the linkage connections due to rust or moisture. Lubricating these connections and checking for bent or damaged parts should resolve hard shifting. 23 TecumsehPower and Peerless® Lubrication Requirements NOTE Use ONLY the recommended lubricant in all models as listed to insure proper operation and long life. TRANSAXLES Model No. 301 600 800 801 820 900 910 915 920 930 1200 1301 1305 1309 1313 1302 1303 1304 1306 1307 1308 1310 1311 1312 1314 1315 1316 1317 1318 1319 1320 1321 1322 1325 1328 1329 1323 1326 1327 MST200 VST205 and 1800's 2300 2400 Quantity Non-Serviceable 24 oz./710 ml Oil 30 oz./887 ml Grease 36 oz./1065 ml Grease 36 oz./1065 ml Grease 26 oz./769 ml Grease 18 oz./532 ml Grease 10 oz./296 ml Grease 30 oz./887 ml Grease 30 oz./887 ml Grease 48 oz./1420 ml Oil †† 32 oz./946 ml Oil TRANSMISSION Model No. Quantity 2500 2600 † † 700 700H 12 oz./355 ml Grease 12 oz./355 ml Grease 2800 † HYDROSTATIC TRANSAXLES and TRANSMISSIONS 1800 Series Limited service; use Kit Part No. 799030 VST205/705 Limited service; use Kit Part No. 799030 LTH 2000 Limited service; final drive ONLY 8 oz./240 ml Oil 2100 Non-Serviceable LDP-10 Non-Serviceable RIGHT ANGLE AND T-DRIVES Model No. Quantity All Models Except * *1408-P91 *1409-P91 *1410-P91 *3002 *3003 *3028 *3029 *3035 1000 Series 1100 4 oz./118 ml Grease 3 oz./89 ml Grease 6 oz./180 ml Oil ††† 16 oz./473 ml Oil DIFFERENTIALS All Models 3 oz./89 ml Grease TWO SPEED AXLE All Models 2 oz./59 ml Grease THREE SPEED AXLE All Models 2 oz./59 ml Grease Grease: Bentonite Grease Part Number 788067C 44 oz./1301 ml Oil Oil: SAE E.P. 80W90 Oil Part Number 730229B † Refer to O.E.M. Technician’s Manual for type of lubricant. †† To be filled through shift lever opening. ††† Some 1000 Right Angle and T-Drives use Bentonite Grease. 24 oz./710 ml Oil 16 oz./473 ml Oil †††† †††† TecumsehPower's current policy on VST and 1800 Series transaxles with internal failure, is to replace the complete unit. VST and 1800's have two separate reservoirs which can be checked for diagnostic purpose only. The output gear reservoir can be checked with a small pocket rule as outlined in the TecumsehPower & Peerless Transmission and Drive Products Handbook. Refer to TecumsehPower & Peerless Transmission and Drive Products Handbook, 691218. 64 oz./1892 ml Oil 32 oz./946 ml Oil 24 TecumsehPower Repair Manuals Service Number 740043 or 695244A † ‡ † ‡ * * * * * * Service Number 740049 or 692509 ECV100-120 HMSK70, LH318SA (HMSK80), HMSK90, H22 H25 H30-80 HM70-100 HH40-120 HHM80 HMXL70 HT30 HT35 HXL35 HS40-50 HSK30-70 HSSK40, LH195SA (HSSK50), LH195SP (HSSK55) LH358SA (HMSK100), HMSK110 LAV25-50 LEV80, LV148EA (LEV90), LV195EA (LEV120) LV148SA (VSK90), VSK100 TNT100 TNT120 TVS75-120 TVXL90-120 TVM125-170 TVM195-220 TVXL195-220 V40-80 VH40-100 VM70-100 VLV-ALL OHM120 OH318SA (OHSK110), OH358SA (OHSK120-130) OH318EA (OHM90-110) OHM120 OH195EA (OHH60), OH195EP (OHH65) OHH/OHSK40-130 OH195SA (OHSK70), OH195SP (OHSK75) OH318SA (OHSK110), OH358SA (OHSK120-130) OVM120 OVXL120, OVXL/C120 OVXL125 OV195EA OV358EA (OHV110-135) OV490EA (OHV140-180) OV691EP (VTX691, TVT691) OVM120 OVXL120 OVXL/C120 OVXL125 Service Number 691462A HH140-160 OH120-180 Service Number 740047 or 692508 AH520 AH600 HSK840 HXL840 TC200 TCH200 Type 1500 TH098SA (HSK600), HSK635 TH139SA (HSK845, 850) TH139SP (HSK870) AV600 TV085XA (AV520) TVS600 Service Number 740045 or 691218 100 Series Differentials MST200 Series Transaxles 300 Series Transaxles 600 Series Transaxles 601 Slow Speed Transaxle 700 Series Transmissions 700H Series Transmissions 800/801 Series Transaxle 820 Series Transmission 900 Series Transaxles 910 Series Transaxles 915/940 Series Transaxles 920 Series Transaxles 930 Series Transaxles 1000/1100 Series Right Angle / T-Drives 1200 Series Transaxles 1300 Series Transaxles 2300 Series Transaxles 2400 Series Transaxles 2500 Series Transaxles 2600 Series Transaxles VST Transaxles Service Number 694988 TVS840 TVXL840 Service Number 694782 TCH300 TM049XA (TC300) 25 TecumsehPower ENGINES & TRANSMISSIONS TecumsehPower Company 900 North Street Grafton, Wisconsin 53024 1-800-558-5402 Form No. 696533 Litho In U.S.A. 26 R 12/07
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