T5e Service Manual Tennant Walk Behind Floor Scrubber
2018-06-20
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T5e Automatic Scrubber Service Information Manual International www.tennantco.com 9002342 Rev. 00 (10-2006) *9002342* A A B FOR REPLACEMENT PARTS Identify machine model and serial number. 1. (A) Identify the machine model. 2. (B) Identify the machine serial number from the data plate. Refer to the TENNANT Parts Manual. NOTE: Only use TENNANT Company supplied or equivalent parts. Parts and supplies may be ordered online, by phone, by fax or by mail. Tennant Company PO Box 1452 Minneapolis, MN 55440 Phone: (800) 553--8033 or (763) 513--2850 www.tennantco.com FaST--PAK is a US registered and unregistered trademark of Tennant Company. Specifications and parts are subject to change without notice. Copyright E 2006 TENNANT Company, Printed in U.S.A. ii T5e 9002342 REV.00 (08-06) T5e Service Information Manual Table of Contents page MACHINE INFORMATION Electrical Symbols & Terms………...…………………….………………………1 Component Locator……………………….…...……………………………..……2 Machine Specifications………...…………………….……………………………6 MAINTENANCE SAFETY LABELS………………………..…………………………………………8 BATTERY INSTALLATION………………………………………………………9 SQUEEGEE REMOVAL & INSTALLATION……………………………………9 CIRCUIT BREAKERS & FUSES…………………………………………………10 CHARGING BATTERIES………………………..……………………………… 10 Battery Charger Specifications…………………………….……………..10 On-Board Battery Charger Settings………………………………………10 Using the On-Board Battery Charger…………………………………… 11 On-Board Battery Charger Error Codes…………………………………12 Using an Off-Board Battery Charger………………………………………12 ADJUSTING SCRUB HEAD BRUSHES………………………………………… 13 Disk Brush Model………………...………………………………………. 13 13 Cylindrical Brush Model……………………………………..……………… Adjusting an Uneven Brush Pattern……………………………… 13 Adjusting a Tapered Brush Pattern………………………………… 14 MACHINE MAINTENANCE……………………………………………..……… 15 Daily Maintenance…………………………………………..………………15 Monthly Maintenance………………………………….……………………17 Battery Maintenance……………...………..………………………………18 18 Squeegee Blades……………………….…………………...……………… Motor Maintenance……………………………………….…………………19 FaST System Maintenance……………………………………….………19 JACKING UP MACHINE……………………….……...…………………………20 TRANSPORTING MACHINE…………………….……………...………………20 STORING MACHINE………………………………………...…..……………… 20 FaST System Freeze Protection……………..……………………...……20 RECOMMENDED STOCK ITEMS……………..……………….………………21 22 BASIC TROUBLESHOOTING……………………….…………………………… ELECTRICAL Electrical Schematic…………………………...…..…………………..…………24 Wiring Harness Detail………………………...………………..…………………25 Control Board & BDI Details………………………………………………………31 Control Board & BDI Pin Charts…………………………………………………32 BDI Diagnostic Fault Indicators………………………………………………… 33 Key OFF Power Distribution (Off-Board Charger Disconnected)…………… 34 35 Key OFF Power Distribution (Off-Board Charger Connected)………………… Key OFF Power Distribution (On-Board Charger Disconnected)…………… 36 37 Key OFF Power Distribution (On-Board Charger Connected)………………… Key ON Power Distribution………………….………….…………………………38 Propel Forward System…………………………...………………………………39 Propel Reverse System…………………………………………………………. 40 Scrub Brushes……………………...…………………………..…………………41 Vacuum Fan System…………………………..………………..………………..42 Conventional Solution Solenoid Valve & Hour Meter………………………… 43 44 FaST Pump & Hour Meter………………………………………………………… 45 Scrub Head Actuator LOWER (Extend)……………………………….………… Scrub Head Actuator RAISE (Retract)………………………………………… 46 Wand Pump…………………………….………………………………………… 47 T5e 9002342 REV.00 (08-06) iii T5e Service Information Manual ! BEFORE CONDUCTING TESTS: ! z Read and Follow ALL Safety Warnings and Precautions in Operator's Manual z Always use an ESD (Electrostatic Discharge) strap when working near the Control Board z Be cautious when working near Control Board – Battery voltage is always present, even with Key OFF z Always Disconnect Batteries when removing or replacing components DURING TESTS: z Call Technical Services if Diagnostic Time Exceeds One Hour with Unknown Cause or Course of Action iv T5e 9002342 REV.00 (08-06) Commonly Used Electrical Symbols & Terms NOTE: The term “NORMALLY” refers to the components’ “at rest” or “de-energized” position - + Wires Not Connected Together Wires Connected Together Normally Open Normally Open Double Throw Switch Momentary Switch Relay Coil (Part 1 of Relay) Indicates Movement from Normal Position Battery Fuse Circuit Breaker Normally Open Normally Closed Normally Open Normally Closed Limit Switch Push-Button Switch Push-Button Switch Limit Switch Normally Open Diode Normally Closed CR1 CR1 Plug-in Connection CR1 Relay Contacts (Part 2 of Relay) Indicates Component in Position Other than Normal Solenoid (Valve or Actuator) Indicates Component is Energized Potentiometer Motor Assembly i ! Information Warning! Terms & Abbreviations AC – Alternating Current BDI – Battery Discharge Indicator CB – Circuit Breaker CR – Relay (Contact Type) LED – Light Emitting Diode M – Motor PWM (Pulse Width Modulation) – A method of using controlled on/off times to regulate voltage and current to an electrical device Standoff – A common connecting point for multiple wires Example of Wiring Numbers & Colors: Wiring Color Codes (Unless otherwise marked) Right Most Digit of Wire Number 0 1 T5e 9002342 REV.00 (08-06) Color of Wire Tan Pink 2 Brown 3 Orange 4 Yellow 5 Green 6 Blue 7 Purple 8 Gray 9 White 1 RED 25 7 13 BLK 1 T5e Component Locator (Page 1 of 4) 1 4 5 2 6 7 3 3 10 8 9 1. 2. 3. 4. 5. 6. 2 Battery Meter Reverse Trigger Start Triggers Brush Pressure Meter Control Console Height Adjustment Lever Speed Control Knob 11 7. 8. 9. 10. 11. Brush Pressure Switch Off--Aisle Wand on/off Switch (option) FaST System on/off Switch (option) Main Power on/off Key Switch Hour Meter T5e 9002342 REV.00 (08-06) T5e Component Locator (Page 2 of 4) CONTROL BOARD AND CIRCUIT BREAKERS RECOVERY TANK INTERLOCK SWITCH VACUUM FAN MOTOR M3 FRONT FaST PUMP MOTOR M6 T5e 9002342 REV.00 (08-06) O FR BOTTOM VIEW N T FR O N T FRONT BOTTOM VIEW PROPEL MOTOR M4 3 T5e Component Locator (Page 3 of 4) MOTOR M1 CYLINDRICAL SCRUB BRUSH MOTORS MOTOR M2 MOTOR M1 DISK SCRUB BRUSH MOTORS MOTOR M2 ACTUATOR SCRUB/TRANSPORT SWITCH ACTUATOR RAISE LIMIT SWITCH ACTUATOR LOWER LIMIT SWITCH SCRUB HEAD ACTUATOR M5 4 SCRUB HEAD ACTUATOR M5 T5e 9002342 REV.00 (08-06) T5e Component Locator (Page 4 of 4) ON-BOARD CHARGER VACUUM FAN SWITCH CHARGER INTERLOCK SWITCH (OFF-BOARD CHARGER) CONVENTIONAL SOLENOID VALVE CONTROL BOARD STANDOFF CIRCUIT BREAKERS BRUSH CONTACTOR CR1 CB1 CB2 25A CB3 25A CB4 25A 10A RELAYS CR2 100A FUSE F1 CR3 CR4 STANDOFF T5e 9002342 REV.00 (08-06) CONTROL BOARD, FUSE, & CIRCUIT BREAKERS 5 T5e Machine Specifications (Page 1 of 2) MODEL Disk, 600mm Disk, 700mm Disk, 800mm Cylindrical, 650mm Cylindrical, 800mm LENGTH 1,357 mm 1,408 mm 1,471 mm WIDTH 645 mm 737 mm 838 mm 711 mm 864 mm MINIMUM AISLE TURN 1,346 mm 1,499 mm 1,626 mm WEIGHT 133 kg 1,575 mm 1,638 mm 145 kg 151 kg 151 kg 155 kg WEIGHT WITH BATTERIES 258 kg 269 kg 275 kg 275 kg 279 kg 1,399 mm 1,399 mm 1,120 mm HEIGHT RECOVERY TANK CAPACITY 105 L SOLUTION TANK CAPACITY 85 L Transaxle, 24 V, .19 kW DRIVE SYSTEM Cleaning: 67 m/min Transporting: 72 m/min TRAVEL SPEED, MAXIMUM PRODUCTIVITY RATE Theoretical 2,450 m2/hr 2,860 m2/hr 3,270 m2/hr 2,660 m2/hr 3,270 m2/hr PRODUCTIVITY RATE Estimated Actual 1,660 m2/hr 1,930 m2/hr 2,230 m2/hr 1,785 m2/hr 2,230 m2/hr CLEANING PATH WIDTH 600 mm 700 mm 800 mm 650 mm 800 mm BRUSH DIAMETER 302 mm 353 mm 404 mm 151 mm 151 mm Up to 54 kg BRUSH PRESSURE SOLUTION FLOW RATE 1.89 L /min SQUEEGEE WIDTH 908 mm standard 1,051 mm standard 1,185 mm standard 1,051 mm standard 1,185 mm standard 800 mm narrow aisle 908 mm narrow aisle 1,051 mm narrow aisle 908 mm narrow aisle 1,051 mm narrow aisle BRUSH MOTOR 1.89 L/min Qty 2, .55 kW, 220rpm, 24 V, 29 A Qty 4, 6 V BATTERIES WET (lead Acid) = 235Ah @ 20 h rate WET = Up to 5.0 hours RUN TIME PER CHARGE* Sealed (Gel)= 200Ah @ 20 h rate Gel = Up to 4.0 hours 120VAC, 10A, 50/60Hz, 24VDC, 20A output / 230VAC, 5A, 50/60Hz, 24VDC, 20A output 50 A nominal TOTAL POWER CONSUMPTION 24 VDC VOLTAGE DC IPX3 PROTECTION GRADE DECIBEL RATING AT OPERATOR’S EAR, INDOORS.** VIBRATION AT CONTROLS Qty 2, .47 kW, 1500 rpm, 24 V, 23 A 55 mm H2O/ 32.4 L3/m WATER LIFT/AIR FLOW ON--BOARD CHARGER 2.27 L/min 640 W, 3--stage 5.7, 24 V, 26 A VACUUM MOTOR BATTERY CAPACITY 2.27 L/min 67dBA 68dBA <.1188 m/s2 ACCELERATION RATE ON OPERATOR -- MAX. GRADE LEVEL, MAX. <.103 m/s2 .179 m /s2 Scrubbing 5% (3°), Transporting 8% (5°) * Run times are based on Continuous Scrubbing Run Times. ** Sound levels (ISO 11201) as recommended by the American Association of Cleaning Equipment Manufacturers (AACEM) and OSHA. 6 T5e 9002342 REV.00 (08-06) T5e Machine Specifications (Page 2 of 2) FaST SYSTEM Disk, 600mm Disk, 700mm Disk, 800mm 2115 m2/hr 2440 m2/hr Cylindrical, 650mm PRODUCTIVITY RATE Estimated Actual 1865 m2/hr SOLUTION PUMP 24 Volt DC, 3.5 A, 5.6 L/min open flow, 4.13 Bar bypass setting SOLUTION FLOW RATE 0.57 L/min. CONCENTRATE FLOW RATE 0.57 CC/min. 0.83 L/min. 0.83 CC/min. CONCENTRATE TO WATER DILUTION RATIO 1950 m2/hr Cylindrical, 800mm 2440 m2/hr 0.57 L/min. 0.83 L/min. 0.57 CC/min. 0.83 CC/min. 1:1000 MACHINE DIMENSIONS B 1120 mm A Models: A= B= C= C 600 mm Disk 700 mm Disk 800 mm Disk 650 mm Cylindrical 800 mm Cylindrical 1,357 mm 645 mm 908 mm 1,408 mm 737 mm 1,051 mm 1,471 mm 838 mm 1,185 mm 1,399 mm 711 mm 1,051 mm 1,399 mm 864 mm 1,185 mm T5e 9002342 REV.00 (08-06) 7 T5e – Maintenance (Page 1 of 16) SAFETY LABELS The safety labels appear on the machine in the locations indicated. Replace labels if they are missing or become damaged or illegible. WARNING LABEL -Located on recovery tank cover. BATTERY CHARGE LABEL -Located on bottom side of recovery tank. WARNING: Fire Or Explosion Hazard. Batteries Emit Hydrogen Gas. Keep Sparks And Open Flame Away. Keep Battery Compartment Open When Charging. SPINNING BRUSH LABEL Located on scrub head WARNING: Spinning Brush. Keep Hands Away. Turn Off Power Before Working On Machine. 8 T5e 9002342 REV.00 (08-06)7 T5e – Maintenance (Page 2 of 16) BATTERY INSTALLATION SQUEEGEE REMOVAL & INSTALLATION WARNING: Fire Or Explosion Hazard. Batteries Emit Hydrogen Gas. Keep Sparks And Open Flame Away. Keep Battery Hood Open When Charging. FOR SAFETY: When installing batteries, wear protective gloves and eye protection. Avoid contact with battery acid. REMOVING SQUEEGEE ASSEMBLY 1. Park the machine on a level surface, remove the key and set the parking brake if equipped. 2. Lift the squeegee lift lever to the upward position (Figure 3). Battery Specifications: Four 6 volt, 235A/20h deep cycle batteries. Maximum battery dimensions: 7.5 in / 190 mm W x 10.8 in / 275 mm L x 11.2 in / 284 mm H. 1. Park the machine on a level surface, remove the key and set the parking brake, if equipped. 2. Carefully install the batteries into the battery compartment tray (Figure 1). Arrange the battery posts as shown (Figure 2). FIG. 3 3. Remove the vacuum hose from the squeegee assembly. Note loop and clip on hose (Figure 4). FIG. 1 3. Connect the battery cables to the battery posts as shown (Figure 2), RED TO POSITIVE (+) and BLACK TO NEGATIVE (--). FIG. 4 4. Loosen the knobs and slide squeegee assembly away from pivot bracket (Figure 5). BLACK RED Machine Front FIG. 2 8 9002342 REV.00 (08-06) T5e FIG.5 5. Installation is in reverse order of removal. 9 T5e – Maintenance (Page 3 of 16) 6. Check the squeegee blades for proper deflection. The blades should deflect as shown (Figure 6). CHARGING BATTERIES ATTENTION: To prolong the life of the batteries only recharge the batteries if the machine was used for a total of 30 minutes or more. Do not leave batteries discharged for lengthy periods. WARNING: Fire Or Explosion Hazard. Batteries Emit Hydrogen Gas. Keep Sparks And Open Flame Away. Keep Battery Compartment Open When Charging. FOR SAFETY: When servicing batteries, wear protective gloves and eye protection when handling batteries and battery cables. Avoid contact with battery acid. 12.5 mm FIG. 6 7. To adjust the blade deflection, place the squeegee assembly on a level surface and adjust the casters as shown (Figure 7). BATTERY CHARGER SPECIFICATIONS S 2 mm S S S S CHARGER TYPE: -- FOR SEALED (Gel) BATTERIES -- FOR WET (Lead acid) BATTERIES OUTPUT VOLTAGE - 24 VOLTS OUTPUT CURRENT - 20 AMPS AUTOMATIC SHUTOFF CIRCUIT FOR DEEP CYCLE BATTERY CHARGING ON--BOARD BATTERY CHARGER SETTINGS FIG. 7 CIRCUIT BREAKERS AND FUSES The machine is equipped with four resettable circuit breakers and four fuses to protect the machine from damage. If a breaker should trip, determine the cause, allow the motor to cool then manually reset the circuit breaker button. The circuit breaker panel is located near the battery compartment (Figure 29). The fuses are located inside the circuit breaker box. When replacing a fuse never substitute a higher Amp rated fuse than specified. If your machine is equipped with the on--board charger, the charger settings must be set for your battery type before charging. Failure to properly set will result in battery damage. To determine your battery type, see battery label. Contact your battery supplier if not specified. To verify the setting of the charger, connect the charger cord into an electrical receptacle. The charger will display a sequence of codes. One of the codes will either read “GEL” or “Acd” (Figure 41). GEL = Set for sealed/maintenance free batteries Acd = Set for wet/lead acid batteries CIRCUIT BREAKERS: 10 A -- Main (A) 25 A -- Vacuum motor (B) 25 A -- Left brush motor (C) 25 A -- Right brush motor (D) FUSES: 100 A -- Main 30 A -- Propel motor 7.5 A -- FaST system 7.5 A -- Off--aisle wand pump (located in control console) 10 FIG. 41 T5e 9002342 REV.00 (08-06) 9 T5e – Maintenance (Page 4 of 16) To change the setting, unplug the charger, peel up the corner of the display label and set the switches accordingly (Fig. 42). The charger cord must be unplugged when resetting. NOTE: The machine will not operate when charging. FIG. 44 SEALED “GEL” BATTERY WET “Acd” BATTERY FIG. 42 USING THE ON--BOARD BATTERY CHARGER IMPORTANT: Before charging, make sure that the charger setting is properly set for your battery type (See ON--BOARD CHARGER SETTINGS). 1. Transport the machine to a well--ventilated area. 6. The charger will display a sequence of codes once the cord is connected (Figure 45). Three--digits + the following code: A = Charging current U = Battery voltage h = Charging time C = Charging ampere--hours [Ah] E = Energy used [Kwh] “GEL” or “Acd” = Battery type the charger is currently set for. Before charging make sure your battery type matches the display: GEL=Sealed, Acd=Wet (lead acid). To change setting, see ON--BOARD CHARGER SETTINGS. Press the arrow button to review the codes. 2. Park the machine on a flat, dry surface. Turn the key off and set the parking brake, if equipped. 3. If charging wet (lead acid) batteries check the fluid level before charging (See BATTERY MAINTENANCE). 4. Prop up the recovery tank for ventilation (Figure 43). FIG. 45 7. Once the charging cycle begins, the indicator lights will progress from red, yellow to green. When the green indicator light comes on, the charging cycle is done. Unplug the charger cord. If the charger detects a problem, the charger will display an error code (See ON--BOARD BATTERY CHARGER ERROR CODES). FIG. 43 5. Connect the charger’s AC power supply cord into a properly grounded receptacle (Figure 44). 10 9002342 REV.00 (08-06) T5e 11 T5e – Maintenance (Page 5 of 16) ON--BOARD BATTERY CHARGER ERROR CODES DISPLAY CODE FAULT SOLUTION bat Loose or damaged battery cable Check battery cable connections. Battery exceeded maximum voltage level. No action necessary. E01 Exceeded maximum battery voltage allowed. No action necessary. E02 Safety thermostat exceeded maximum internal Check if the charger vents are obstructed. temperature. E03 Exceeded maximum time for charging phase leaving the batteries undercharged due to a sulfated or faulty battery. Repeat the charging cycle and if the error code E03 reappears check battery or replace it. SCt Safety timer exceeded maximum charging time. Interrupts charging cycle. Replace battery. Srt Possible internal short circuit. Contact Tennant Service 1-800-553-8033 USING AN OFF--BOARD BATTERY CHARGER 1. Transport the machine to a well--ventilated area. 2. Park the machine on a flat, dry surface. Turn the key off and set the parking brake, if equipped. 3. If charging wet (lead acid) batteries, check the fluid level before charging (See BATTERY MAINTENANCE). 4. Prop up the recovery tank for ventilation (Figure 46). FIG. 47 7. The supplied charger will automatically begin charging and shut off when fully charged. NOTE: The machine will not operate when charging. ATTENTION: Do not disconnect the charger’s DC cord from the machine’s receptacle when the charger is operating. Arcing may result. If the charger must be interrupted during charging, disconnect the AC power supply cord first. FIG. 46 5. Connect the charger’s AC power supply cord into a properly grounded receptacle. 6. Connect the charger’s DC cord into the machine’s battery receptacle (Figure 47). 12 11 T5e 9002342 REV.00 (08-06) T5e – Maintenance (Page 6 of 16) ADJUSTING SCRUB HEAD BRUSHES CYLINDRICAL BRUSH MODEL To ensure optimum scrubbing performance periodically check the scrub head for proper adjustment. After installing a new set of cylindrical brushes check the brush pattern to ensure proper brush adjustment. Brushes that are not properly adjusted will result in premature wear and poor scrubbing performance (Figure 50). FOR SAFETY: Before adjusting scrub head, stop machine on level surface, remove key and set parking brake if equipped. CORRECT BRUSH PATTERN Even Pattern DISK MODEL Tools required: Measuring device, 1--1/16 in / 27 mm wrench and 15/16 in / 24mm wrench Uneven Pattern INCORRECT BRUSH PATTERNS Tapered Pattern 1. With brushes installed, lower the scrub head and apply medium brush pressure. 2. Turn machine off and remove key. 3. From the center front and back of scrub head, measure the distance from the top edge of scrub head to the floor (Figure 48). FIG. 50 To Inspect the Brush Pattern: 1. Position the machine on a dry dusty floor or apply a powdered substance, such as chalk. 2. Disconnect the drive motor wire connector to keep machine from moving forward (Figure 51). FIG. 48 4. If scrub head is not level, loosen the lock nut and turn the scrub head leveling screw to level. Tighten down the lock nut once head is level (Figure 49). FIG. 51 3. Lower the scrub head to the floor and apply maximum brush pressure. 4. Shut off the solution flow. Lock Nut FIG. 49 5. Pull the triggers to create a brush pattern on the floor. 6. Raise the scrub head and pull the machine away. 7. Observe the brush pattern on floor. If the brush pattern is uneven or tapered, adjustment is required. 8. Reconnect drive motor wire. 12 9002342 REV.00 (08-06) T5e 13 T5e – Maintenance (Page 7 of 16) To Adjust an Uneven Brush Pattern: To Adjust a Tapered Brush Pattern: Tools required: Measuring device, 1--1/16 in / 27 mm wrench and 15/16 in / 24mm wrench Tools required: 3/8 in / 10mm wrench and 6mm hex wrench 1. Measure the distance from the front edge of the scrub head to the floor and from the back edge of the scrub head to the floor (Figure 52). The measurements should be the same. 1. Raise the scrub head off floor and remove key. 2. Remove the idler plate from the brush (Figure 54). FIG. 54 FIG. 52 2. To level the scrub head, loosen the lock nut and turn the leveling screw clockwise to lower the rear of the scrub head or counter--clockwise to lower the front (Figure 53). 3. Hold the brush plug shaft with a wrench and loosen the 6mm hex screw (Figure 55). FIG. 55 FIG. 53 4. To lower the brush end, turn the shaft clockwise for the front brush and counter--clockwise for the rear brush. Retighten hex screw (Figure 56). 3. Recheck brush pattern. NOTE: Replace brush when bristles are worn to 5/8 in / 15 mm. FIG. 56 5. Recheck brush pattern. NOTE: Replace brushes when bristles are worn to 5/8 in / 15 mm. 14 13 T5e 9002342 REV.00 (08-06) T5e – Maintenance (Page 8 of 16) 4. Drain the solution tank (Figure 60). MACHINE MAINTENANCE To keep the machine in good working condition, it’s important that the following maintenance procedures are performed on a routine basis. WARNING: Electrical Hazard. Disconnect Battery Cables Before Servicing Machine. DAILY MAINTENANCE (After Every Use) 1. Drain the recovery tank (Figure 57). FIG. 60 5. Rotate pad or replace when worn (Figure 61). FIG. 57 2. Disk Model Rinse out the recovery tank (Figure 58). FIG. 61 6. Empty and rinse out the debris trough (Figure 62). FIG. 58 3. Remove the recovery tank float shut--off screen and clean (Figure 59). Cylindrical Brush Model FIG. 62 7. Inspect the cylindrical brushes for wear. Rotate brushes from front--to--rear every 50 hours (Figure 63). Replace when worn to a length of 5/8 in / 15 mm. FIG. 59 14 9002342 REV.00 (08-06) T5e 15 T5e – Maintenance (Page 9 of 16) 15mm Cylindrical Cylindrical Brush Model Model Brush FIG. 66 FIG. 63 8. Remove debris buildup from the underside of the cylindrical brush scrub head, including the idler plates and drive hubs (Figure 64). 11. Clean the machine with an all purpose cleaner and damp cloth (Figure 67). FOR SAFETY: When cleaning machine, do not power spray or hose off machine. Electrical malfunction may occur. CylindricalBrush BrushModel Model Cylindrical FIG. 64 9. Wipe the squeegee blades clean (Figure 65). Store the squeegee assembly in the raised position to prevent blade damage. FIG. 65 10. Check the condition of the squeegee blade wiping edge (Figure 66). Rotate blade if worn (See SQUEEGEE BLADES). 16 FIG. 67 12. Inspect the condition of the scrub head skirt, replace if worn or damaged (Figure 68). Disk Model Model Disk Cylindrical Brush Brush Model Model Cylindrical FIG. 68 15 T5e 9002342 REV.00 (08-06) T5e – Maintenance (Page 10 of 16) 13. FaST Model: Connect the FaST--PAK supply hose to the storage plug when not in use (Figure 69). Remove any dried concentrate from the hose connector by soaking it in warm water. 2. Check the cylindrical brush belt tension every 100 hours (Figure 72). Belt tension should flex 0.1 in / 3mm at midpoint, with 2.5--2.7 lb / 1.13--1.22 kg force. WARNING: Electrical Hazard. Disconnect Battery Cables Before Servicing Machine. FIG. 69 14. Clean wet/lead acid batteries to prevent corrosion and check for loose battery cable connections (See BATTERY MAINTENANCE). 15. Recharge the batteries (Figure 70) after a total of 30 minutes of use or more. FIG. 70 CylindricalBrush BrushModel Model Cylindrical FIG. 72 3. Inspect and clean the recovery tank cover seal (Figure 73). Replace if damaged. FIG. 73 4. Lubricate all pivot points and rollers with a water resistant grease. MONTHLY MAINTENANCE 1. Remove the solution tank filter from underneath the machine and rinse out the screen (Figure 71). Make sure the solution tank is empty before removing filter. 5. Lubricate the casters with a water resistant grease (Figure 74). FIG. 74 FIG. 71 6. Clean the parking brake clamp with a cleaning solvent. 7. Check the machine for loose nuts and bolts. 16 9002342 REV.00 (08-06) T5e 17 T5e – Maintenance (Page 11 of 16) 8. Check the machine for leaks. SQUEEGEE BLADES BATTERY MAINTENANCE (Wet/lead acid batteries) 1. Check battery fluid level frequently to prevent battery damage. The fluid should be at the level shown (Figure 75). Add distilled water if low. DO NOT OVERFILL, the fluid may expand and overflow when charging. When the blades become worn, simply rotate the blades end-for-end or top-to-bottom to a new wiping edge. Replace blades when all edges are worn. The front blades on the 28 in / 700 mm and 32 in / 800mm squeegee assemblies have 12/14 slots on one edge and 6 slots on the opposite edge (Figure 77). If making sharp turns with the cylindrical brush models use the 12/14 slotted edge for maximum water pickup. 6 Slots on one edge 12/14 Slots on opposite edge CORRECT BATTERY FLUID LEVEL: Before Charging After Charging FIG. 77 Replacing Squeegee Blades: 1. Loosen the band clamp and remove the band from the squeegee assembly (Figure 78). FIG. 75 WARNING: Fire Or Explosion Hazard. Batteries Emit Hydrogen Gas. Keep Sparks And Open Flame Away. Keep Battery Compartment Open When Charging. 2. Clean the batteries to prevent battery corrosion. Use a scrub brush with a mixture of baking soda and water (Figure 76). FIG. 78 FOR SAFETY: When cleaning batteries, wear protective gloves and eye protection. Avoid contact with battery acid. FIG. 76 18 17 T5e 9002342 REV.00 (08-06) T5e – Maintenance (Page 12 of 16) 2. Replace or rotate the rear blade to a new wiping edge and replace band (Figure 79). FaST SYSTEM MAINTENANCE Every 1000 hours replace the orifice plate and filter screen located inside the detergent injector assembly. 1. To access the detergent injector assembly, lower the scrub head and remove the front shroud (Figure 81) FIG. 79 3. To change the front blade, remove the band and loosen the four knobs. Replace or rotate the front blade to a new wiping edge (Figure 80) FIG. 81 2. Remove the injector assembly from clamps (Figure 82). FIG. 80 MOTOR MAINTENANCE Contact an Authorized Tennant Service Center for carbon brush replacement. Carbon Brush Replacement Hours FIG. 82 3 Unthread the black plastic filter housing and replace the orifice plate and filter (Figure 83). Drive Transaxle Motor Vacuum Motor 750 Disk Brush Motors Cylindrical Brush Motors 1000 WARNING: Electrical Hazard. Disconnect Battery Cables Before Servicing Machine. FIG. 83 T5e 9002342 REV.00 (08-06) 19 T5e – Maintenance (Page 13 of 16) JACKING UP MACHINE Use the designated locations to jack up the machine for service (Figure 84). Empty the recovery and solution tank and position the machine on a level before jacking. FOR SAFETY: When servicing machine, jack machine up at designated locations only. Use jack or hoist that will support machine weight. FIG. 85 STORING MACHINE 1. Charge the batteries before storing machine to prolong the life of the batteries. 2. Drain and rinse the tanks thoroughly. FIG. 84 TRANSPORTING MACHINE When transporting the machine by trailer or truck, be certain to follow the transporting procedure below: 1. Drain machine tanks. 2. Load the machine using a ramp that can support the machine weight and person loading it. The maximum ramp incline should not exceed 11q at a ramp length of 3.7m (12 ft). 3. Position the front of machine up against the front of the trailer or truck. Lower the scrub head and squeegee. 4. Set the parking brake, if equipped, and place a block behind each wheel to prevent the machine from rolling. 3. Store the machine in a dry area with the squeegee and scrub head in the up position. 4. Open the recovery tank cover to promote air circulation. ATTENTION: Do not expose machine to rain, store indoors. 5. If storing machine in freezing temperatures, make sure to drain machine of all water. For models equipped with the FaST System, follow the FaST SYSTEM FREEZE PROTECTION procedure below. FaST SYSTEM FREEZE PROTECTION Valve Coupling #1002856 and 15 cm Hose #63182 are required (Purchased separately). 1. Remove the FaST--PAK carton and connect the valve coupling and 15cm hose (purchased parts) to the supply hose (Figure 86). 5. Secure with tie--down straps as shown (Figure 85). It may be necessary to install tie-down brackets to trailer or truck. FOR SAFETY: When loading/unloading machine onto/off truck or trailer, use a ramp that can support the machine weight and person loading it, do not exceed a 11q ramp incline at a ramp length of 3.7m (12 ft), use tie--down straps to secure machine and block machine wheels. FFIG. 86 20 1 T5e 9002342 REV.00 (08-06) T5e – Maintenance (Page 14 of 16) 2. Disconnect the opposite end of the supply hose from the injector assembly and drain the supply hose (Figure 87). To access the injector assembly remove the front shroud. 7. To drain the anti--freeze, repeat the draining process above and reconnect the supply hose to the FaST--PAK carton. RECOMMENDED STOCK ITEMS Refer to the Parts List Manual for recommended stock items. Stock Items are clearly identified with a bullet preceding the parts description. See example below: FIG. 87 3. Reconnect the supply hose to injector assembly and pour a recreational vehicle (RV) anti--freeze into the supply hose until full (Figure 88). FIG. 88 4. Operate the FaST system as normal until the foaming stops. This step could take anywhere from 5--10 minutes. 5. Remove the valve coupling and connect the storage plug (Figure 89). FIG. 89 6. Drain the recovery and solution tanks and store machine. T5e 9002342 REV.00 (08-06) 21 T5e – Maintenance (Page 15 of 16) TROUBLESHOOTING PROBLEM CAUSE SOLUTION Machine will not operate Discharged batteries Charge batteries Emergency--stop button activated Turn button clockwise to reset Faulty battery(s) Replace battery(s) Loose battery cable Tighten loose cable Tripped main circuit breaker Reset 10A main circuit breaker Main fuse blown Replace 100A main fuse Faulty key switch Contact Service Center Machine fault detected. See Battery Meter LED Fault Codes Plug not connected to power supply Check plug connection Faulty charger fuse Replace charger fuse Faulty power supply cord Replace cord Error detected. See On--board Battery Charger Error Codes Scrub head is raised off floor Lower scrub head Battery meter lockout activated Recharge batteries Discharged batteries Charge batteries Tripped brush motor circuit breaker Reset 25A circuit breaker button Faulty scrub head (up/down) switch Contact Service Center Faulty trigger switch(es) Contact Service Center Faulty brush motor or wiring Contact Service Center Worn carbon brushes Contact Service Center Broken or loose belt (cylindrical brush model) Replace or tighten belt Faulty relay switch Contact Service Center Parking brake is set Release parking brake lever Machine fault detected See Battery Meter LED Fault Codes Propel motor fuse blown Replace 30A fuse Faulty transaxle motor or wiring Contact Service Center Worn carbon brushes Contact Service Center Exceeded maximum incline Avoid steep inclines and reset key Squeegee is raised off floor Lower squeegee Discharged batteries Charge batteries Tripped vacuum motor circuit breaker Reset 25A circuit breaker button Faulty vacuum motor or wiring Contact Service Center Worn carbon brushes Contact Service Center Solution tank is empty Fill solution tank Clogged solution tank filter Clean solution tank filter Discharged batteries Charge batteries Clogged solution valve Remove valve and clean Solution flow control knob set too low Adjust solution control flow knob Loose screw on control knob Calibrate knob and retighten screw. On--board battery charger will not operate Brush motor(s) will not operate Machine will not propel Vacuum motor will not operate Little or no solution flow 22 T5e 9002342 REV.00 (08-06) T5e – Maintenance (Page 16 of 16) TROUBLESHOOTING - Continued PROBLEM CAUSE SOLUTION Poor water pickup Recovery tank is full or excessive foam buildup Drain recovery tank Loose drain hose cap Tighten cap Clogged float shut--off screen located in recovery tank Clean screen Clogged squeegee assembly Clean squeegee assembly Worn squeegee blades Replace or rotate squeegee blades Incorrect Squeegee blade deflection Adjust Squeegee blade height Loose vacuum hose connections Secure hose connections Clogged vacuum hose Remove clogged debris Damaged vacuum hose Replace vacuum hose Recovery tank cover not in place Properly position cover Damaged recovery tank cover seal Replace seal Faulty vacuum motor Contact Service Center Low battery charge Recharge batteries Debris caught in brush Remove debris Worn brushes/pads Replace brushes/pads Incorrect brush pressure setting Adjust pressure setting Wrong brush/pad type. Use correct brush/pad Batteries not fully charged Fully recharge batteries Defective batteries Replace battery Batteries need maintenance See BATTERY MAINTENANCE Faulty battery charger Repair or replace battery charger FaST system switch is not turned on Turn on FaST system switch FaST--PAK supply hose not connected Connect supply hose Clogged FaST--PAK supply hose or connectors Soak in warm water to unclog Empty FaST--PAK carton Replace FaST--PAK carton Kink in FaST--PAK supply hose Undo hose kink Clogged FaST solution system Contact Service Center Faulty FaST system on/off switch Contact Service Center Faulty pump Contact Service Center Clogged solution tank filter Drain solution tank. Remove solution tank filter, clean and reinstall Clogged detergent orifice/filter screen Replace orifice/filter screen (See FaST SYSTEM MAINTENANCE) Clogged FaST solution inlet filter Contact Service Center FaST Pump fuse blown Replace 7.5A fuse Poor scrubbing performance Reduced run time FaST Model: FaST System does not operate or operate correctly T5e 9002342 REV.00 (08-06) Nobles Speed Scrub (08--06) 23 T5e –Electrical Schematic 1020931 1B RED RED 13B BLK CHARGER PLUG _ + BLK 24 VDC BLK NOTES: CHARGER PLUG HARNESS & CHARGER SAFETY SWITCH REMOVED WITH ON-- BOARD CHARGER OPTION. 24 YEL 13A BLK ONBOARD CHARGER 84 YEL M4 PROPEL MOTOR 19 WHT F1 100 AMP #86379 RED E-- STOP SWITCH #1011735 4 YEL 54 YEL UP 25 GRN GRN BLU 26 BLU DN SCRUB/TRANSPORT SWITCH (INTERNAL TO ACTUATOR) KEY SWITCH #1011402 14 YEL CHARGER SAFETY SWITCH #611005 CONVENTIONAL 8 GRY 36 BLU 6 BLU FaST SWITCH #130787 30 TAN FaST 22 BRN 1C RED 16 BLU + 1 F2 30 AMP #1016041 4 3 1413121110 9 8 11 PINK 64 YEL 13M BLK CR3 ACTUATOR RELAY #1012216 13G BLK 31 PINK 41 PINK RECOVERY TANK PROPEL INTERLOCK SWITCH #606292AM REVERSE N.C. FORWARD 13H BLK BATTERY DISCHARGE INDICATOR #392894 13J BLK DIRECTION SWITCH #601108 5 GRN 3 ORG SPEED CONTROL 50K POTENTIOMETER #1013567 HOUR METER #1011282 VACUUM SWITCH #1012568 (SQUEEGEE LEVER ACTUATED) UP 13K BLK DN 2 1 2 1 7 6 54 321 48 GRY 47 PUR SOLUTION VALVE #1013599 37 PUR CR4 FaST RELAY #1012216 17 PUR 27 PUR 2 CONTROL BOARD #1025143 7 PUR CR1 BRUSH CONTACTOR #1011086 3 4 1 34 YEL 2 13F BLK 9 WHT 39 WHT LEFT TRIGGER 49 52 WHT #130712 BRN 32 BRN RIGHT TRIGGER #130712 29 WHT CR2 44 YEL VACUUM FAN RELAY #1012216 74 YEL 13H BLK Cr1 #1011086 CB1 25 AMP #393724 2 BRN 42 BRN 1A RED 1G RED Cr2 #1012216 38 GRY CB4 10 AMP #393721 SCRUBHEAD DOWNPRESSURE SWITCH #1007012 RAISE 23 ORG RETRACT LIMIT (INTERNAL TO ACTUATOR) A BLK 1E RED 46 BLU 18 GRY F3 7.5 AMP #1016039 13L BLK 56A BLU 68A GRY VACUUM MOTOR SCRUB DECK ACTUATOR MOTOR EXTEND LIMIT (INTERNAL TO ACTUATOR) EXTERNAL LOWER LIMIT SWITCH - #606292AM WAND PUMP SWITCH #130787 Cr4 #1012216 13C BLK M5 B RED WAND PUMP OPTION 24 M3 D1 - #222290 56 BLU 68 GRY LOWER FaST OPTION M2 LEFT BRUSH MOTOR 50 TAN 1E RED 13B BLK RIGHT BRUSH MOTOR 20 TAN 40 TAN F4 7.5 AMP #1016039 M1 33 ORG 13 BLK 58 GRY 59 WHT BRUSH PRESSURE #1030653 CB2 25 AMP #393724 CB3 25 AMP #393724 10 TAN Cr3 #1012216 78 GRY 12 BRN 60 TAN 28 GRY WAND PUMP MOTOR M7 M6 13N BLK 13P BLK 13E BLK FaST PUMP MOTOR T5e 9002342 REV.00 (08-06) T5e –Wiring Harness Detail MAIN HARNESS C CONTINUED B CONTINUED A CONTINUED (Page 1 of 6) T5e 9002342 REV.00 (08-06) 25 T5e –Wiring Harness Detail MAIN HARNESS C (Page 2 of 6) 26 T5e 9002342 REV.00 (08-06) T5e –Wiring Harness Detail T5e 9002342 REV.00 (08-06) B A MAIN HARNESS D CONTINUED E CONTINUED (Page 3 of 6) 27 T5e –Wiring Harness Detail 28 D MAIN HARNESS E (Page 4 of 6) T5e 9002342 REV.00 (08-06) T5e –Wiring Harness Detail CHASSIS HARNESS (Page 5 of 6) T5e 9002342 REV.00 (08-06) 29 T5e –Wiring Harness Detail FaST HARNESS (Page 6 of 6) 30 T5e 9002342 REV.00 (08-06) T5e –Control Board & BDI Details CONTROL BOARD + - BATTERY CONNECTIONS 1 2 PROPEL MOTOR CONNECTIONS 4 3 2 1 2 1 SCRUB OUTPUT CONNECTIONS PROGRAMMING CONNECTIONS 14 13 12 11 10 9 8 7 2 1 6 5 4 3 CONTROL CONNECTIONS 2 4 1 3 BATTERY DISCHARGE INDICATOR (VIEWED FROM REAR) T5e 9002342 REV.00 (08-06) 31 T5e –Control Board & BDI Pin Charts CONTROL BOARD CONNECTIONS Name Pin # Wire # Color Active Voltage Inactive Voltage Input/ Output Notes Function/Component Controlled Battery Connections + 22 brown battery (+) x input x Battery positive power supply - 13A black battery (-) x input x Battery negative power supply Propel Motor Connections 1 84 yellow 0v to 24v 0v output 2 19 white 0v to 24v 0v output Scrub Output Connections 1 25 green battery (+) battery (+) output 2 27 purple battery (-) open output see notes 1 x x x x x x 2 x x x x x x 3 x x x x x x 4 x x x x x x 1 3 orange input x Throttle signal input 2 32 brown 5v x output x Throttle 5v reference signal 3 29 white battery (-) open output CR2 4 x x x x x x 5 74 yellow battery (+) open input x Key switch input input x Normal mode: wire 48 NOT connected to Low battery voltage lockout level 13H (22.4v lockout) select Special mode: wire 48 connected to 13H (20.7v lockout) output x Battery (+) supply for input switches Throttle 0v reference signal Programming Connections Control Connections see notes 2.5v 48 gray 7 54 yellow 8 5 green 0v x output x 9 x x x x x x 9 white output BDI 11 x x x x x x 12 x x x x x x 13 13G black battery (-) x output see notes 14 11 pink 0v 2.5v input x battery (+) battery (+) see notes Propel motor power supply connections Scrub functions power supply Forward=4v to 24v, Reverse=0v Reverse=1.5v to 12v, Forward=0v Controls CR1 (brush contactor), solution valve, CR4 (FaST relay), & hour meter Used only for programming the control board 6 10 battery (-) M4 Reverse=0v to 2.25v; Fwd=2.75v to 5v; Neutral=2.25v to 2.75v Vacuum fan relay Signal to turn control board ON Output in series to charger safety,E-stop,& key switches Battery Discharge Indicator Communicates battery & control board information (up to 10v) Battery (-) output for various components Output to vacuum switch, CR3 actuator relay, Battery Discharge Indicator, & low battery voltage lockout select Vacuum switch BATTERY DISCHARGE INDICATOR CONNECTIONS Name Battery Discharge Indicator 32 Pin # Wire # 1 2 3 4 34 9 13J 13F Color Active Voltage yellow battery (+) white 10v to 24v black 0v black 0v Inactive Voltage Input/ Output x x 0v 0v input input input input Function Battery (+) supply voltage Battery status signal Battery (-) supply voltage Static drain path T5e 9002342 REV.00 (08-06) T5e – BDI Diagnostic Fault Indicators LED Flashing Codes 1 BAR FLASHING 2 BARS FLASHING 2 BARS FLASHING Very Low Battery Voltage The batteries need immediate charging or there is a bad connection to the batteries. Charge the batteries,or check the connections to the battery. Low Battery Voltage (Slowly Flashing @ 40Hz) The batteries need charging or there is a bad connection to the batteries. Charge the batteries,or check the connections to the battery. Propel Motor Open (Quickly Flashing @ 200 Hz) The propel motor has an open connection. Check all the connections and wires between the motor and the control board. Test motor for open circuit. The propel motor has a short circuit. Check all the connections 3 BARS FLASHING 4 BARS FLASHING 5 BARS FLASHING 6 BARS FLASHING 7 BARS FLASHING 8 BARS FLASHING 9 BARS FLASHING 10 BARS FLASHING Propel Motor Shorted and wires between the motor and the control board. Test motor for short circuit. Battery Lockout The voltage level of the batteries has fallen below the Battery Lockout Level and the control board is inhibiting certain machine functions. Charge the batteries. Not Used Not Used Not Used Possible Control Board Fault A control board fault is indicated. Make sure that all connections are secure. Not Used High Battery Voltage An excessive voltage has been applied to the controller. This is usually caused by a poor battery connection. Check all battery connections. Control Board in Sleep Mode (LED's flash The controller has entered sleep mode. Switch the control one at a time from left to right) system off and then on again. A throttle fault is indicated. Make sure that the forward and reverse switches are released before switching on the (LED's ripple back and forth) machine, or check all connections and wires from the switches to the control board. Throttle Displaced T5e 9002342 REV.00 (08-06) 33 T5e - Key OFF Power Distribution (With Standard Off-Board Battery Charger) CONDITIONS: Key OFF, off-board battery charger NOT CONNECTED to charger plug 6 VDC + 1 RED - + 6 VDC 1 RED F1 100A - + 6 VDC - 22 1 RED CR1 2 TO CIRCUIT BREAKER CB1 42 TO CIRCUIT BREAKER CB2 1 RED 1 RED + - CR3 1 RED 1 2 54 54 TO CIRCUIT BREAKER CB4 F3 7.5A 1 RED 18 74 74 78 58 TO FUSE F4 CR4 28 13 BLK 1 2 TO CIRCUIT BREAKER CB3 38 13 BLK CONTROL BOARD 22 CR2 10 - 13 BLK CHARGER PLUG F2 30A v 6 VDC + TO FaST PUMP MOTOR M6 7 6 5 4 3 2 1 14 13 12 11 10 13 BLK 9 9 9 8 13 BLK 54 54 BATTERY DISCHARGE INDICATOR 4 54 Wiring Color Codes CHARGER SAFETY SWITCH 14 EMERGENCY STOP SWITCH (Unless otherwise marked) Right Most Digit of Wire Number Color of Wire Pink 2 Brown 3 Orange 4 Yellow 5 Green 6 Blue 7 Purple 8 Gray 9 White 34 34 KEY SWITCH 64 CR3 13 BLK 13 BLK 1 2 3 4 9 13 BLK ACTUATOR RELAY Tan 0 1 24 ! Be cautious when working near Control Board Battery voltage is always present, even with Key OFF i If Charger Plug is connected to battery charger, ALL machine functions will be disabled when Key Switch is turned ON = Battery Negative or Logic Ground = Battery Positive or Logic High 34 T5e 9002342 REV.00 (08-06) T5e - Key OFF Power Distribution (With Standard Off-Board Battery Charger) CONDITIONS: Key OFF, off-board battery charger CONNECTED to charger plug 6 VDC + 1 RED - + 6 VDC 1 RED F1 100A - + 6 VDC - 22 1 RED CR1 2 TO CIRCUIT BREAKER CB1 42 TO CIRCUIT BREAKER CB2 1 RED 1 RED + - CR3 1 RED 1 2 54 54 TO CIRCUIT BREAKER CB4 F3 7.5A 1 RED 18 74 74 78 58 TO FUSE F4 CR4 28 13 BLK 1 2 TO CIRCUIT BREAKER CB3 38 13 BLK CONTROL BOARD 22 CR2 10 - 13 BLK CHARGER PLUG F2 30A v 6 VDC + TO FaST PUMP MOTOR M6 7 6 5 4 3 2 1 14 13 12 11 10 13 BLK 9 9 9 8 13 BLK 54 54 BATTERY DISCHARGE INDICATOR CHARGER SAFETY SWITCH 4 54 14 EMERGENCY STOP SWITCH Wiring Color Codes (Unless otherwise marked) Right Most Digit of Wire Number Color of Wire Pink 2 Brown 3 Orange 4 Yellow 5 Green 6 Blue 7 Purple 8 Gray 9 White 34 34 KEY SWITCH 64 CR3 13 BLK 13 BLK 1 2 3 4 9 13 BLK ACTUATOR RELAY Tan 0 1 24 ! Be cautious when working near Control Board Battery voltage is always present, even with Key OFF i If Charger Plug is connected to battery charger, ALL machine functions will be disabled when Key Switch is turned ON = Battery Negative or Logic Ground = Battery Positive or Logic High T5e 9002342 REV.00 (08-06) 35 T5e - Key OFF Power Distribution (With Optional On-Board Battery Charger) CONDITIONS: Key OFF, On-Board battery charger NOT CONNECTED to AC power RED + 1 RED F1 100A 6 VDC - + 6 VDC - + 6 VDC - F2 30A 22 1 RED 6 VDC + 2 + - TO CIRCUIT BREAKER CB1 1 RED 42 13 BLK CONTROL BOARD 22 v CR1 - 13 BLK 1 2 TO CIRCUIT BREAKER CB2 1 2 CR2 1 RED 10 TO CIRCUIT BREAKER CB3 38 54 TO CIRCUIT BREAKER CB4 CR3 1 RED 54 74 74 78 58 F3 7.5A 1 RED TO FUSE F4 CR4 18 28 TO FaST PUMP MOTOR M6 7 6 5 4 3 2 1 14 13 12 11 10 13 BLK 9 9 9 8 13 BLK 54 54 54 ON-BOARD CHARGER 4 14 EMERGENCY STOP SWITCH AC RED BATTERY DISCHARGE INDICATOR Right Most Digit of Wire Number 34 KEY SWITCH 64 13 BLK 1 2 3 4 13 BLK 9 13 BLK CR3 BLACK Color of Wire AC POWER CORD Tan 0 1 Pink 2 Brown 3 Orange 4 Yellow 5 Green 6 Blue 7 Purple 8 Gray 9 White NOT CONNECTED TO AC = Battery Negative or Logic Ground = Battery Positive or Logic High 36 34 ACTUATOR RELAY Wiring Color Codes (Unless otherwise marked) 24 ! Be cautious when working near Control Board Battery voltage is always present, even with Key OFF i The battery charger uses a normally closed relay to send a signal to the control board – the relay opens when the charger is plugged in to AC power i If On-Board Charger is connected to AC power, ALL machine functions will be disabled when Key Switch is turned ON T5e 9002342 REV.00 (08-06) T5e - Key OFF Power Distribution (With Optional On-Board Battery Charger) CONDITIONS: Key OFF, On-Board battery charger CONNECTED to AC power RED + 1 RED F1 100A 6 VDC - + 6 VDC - + 6 VDC - F2 30A 22 1 RED 6 VDC + 2 + - TO CIRCUIT BREAKER CB1 1 RED 42 13 BLK CONTROL BOARD 22 v CR1 - 13 BLK 1 2 TO CIRCUIT BREAKER CB2 1 2 CR2 1 RED 10 TO CIRCUIT BREAKER CB3 38 54 TO CIRCUIT BREAKER CB4 CR3 1 RED 54 74 74 78 58 F3 7.5A 1 RED TO FUSE F4 CR4 18 28 TO FaST PUMP MOTOR M6 7 6 5 4 3 2 1 14 13 12 11 10 13 BLK 9 9 9 8 13 BLK 54 54 54 ON-BOARD CHARGER BATTERY DISCHARGE INDICATOR 4 EMERGENCY STOP SWITCH AC RED 14 Right Most Digit of Wire Number Color of Wire 0 Tan 1 Pink 2 Brown 3 Orange 4 Yellow 5 Green 6 Blue 7 Purple 8 Gray 9 White 34 34 KEY SWITCH 1 2 3 64 13 BLK 9 4 13 BLK 13 BLK CR3 ACTUATOR RELAY Wiring Color Codes (Unless otherwise marked) 24 BLACK AC POWER CORD CONNECTED TO AC = Battery Negative or Logic Ground = Battery Positive or Logic High T5e 9002342 REV.00 (08-06) ! Be cautious when working near Control Board Battery voltage is always present, even with Key OFF i The battery charger uses a normally closed relay to send a signal to the control board – the relay opens when the charger is plugged in to AC power i If On-Board Charger is connected to AC power, ALL machine functions will be disabled when Key Switch is turned ON 37 T5e - Key ON Power Distribution CONDITIONS: Key ON i The troubleshooting information from this page forward applies to machines with On-Board or Off-Board Chargers unless otherwise noted + 1 RED 6 VDC - + 6 VDC - + 6 VDC - 6 VDC + 1 RED F1 100A - 13 BLK 13 BLK CHARGER PLUG F2 30A 1 RED 22 CONTROL BOARD 22 + - v CR1 2 TO CIRCUIT BREAKER CB1 42 TO CIRCUIT BREAKER CB2 10 TO CIRCUIT BREAKER CB3 1 RED CR2 1 RED 1 2 1 2 54 54 74 54 4 CHARGER SAFETY SWITCH 38 CR3 1 RED 74 13 BLK 12 4 11 3 10 24 KEY EMERGENCY SWITCH STOP SWITCH 9 9 2 9 1 8 13 BLK 58 1 RED 14 7 14 6 13 TO CIRCUIT BREAKER CB4 78 F3 7.5A 13 BLK TO FUSE F4 BATTERY DISCHARGE INDICATOR CR4 18 28 TO FaST PUMP MOTOR M6 34 34 Wiring Color Codes 1 2 3 4 9 (Unless otherwise marked) Right Most Digit of Wire Number Color of Wire 0 Tan 1 Pink 2 Brown 3 Orange 4 Yellow 5 Green 6 Blue 7 Purple 8 Gray 9 White = Battery Negative or Logic Ground 13 BLK 64 13 BLK 13 BLK CR3 ACTUATOR RELAY ! Be cautious when working near Control Board Battery voltage is always present, even with Key OFF i If Charger Plug is connected to battery charger, ALL machine functions will be disabled when Key Switch is turned ON = Battery Positive or Logic High 38 T5e 9002342 REV.00 (08-06) T5e – Propel Forward System CONDITIONS: Key ON, forward propel engaged + 1 RED 6 VDC - + 6 VDC - + 6 VDC - 6 VDC + 1 RED F1 100A - 13 BLK 13 BLK CHARGER PLUG F2 30A 1 RED 22 CONTROL BOARD 22 + - v 84 84 13 BLK 1 2 19 84 1 2 19 M4 PROPEL MOTOR FORWARD 5V REFERENCE 32 32 SIGNAL INPUT 3 7 6 5 4 3 2 1 14 13 12 11 10 9 8 5 0V REFERENCE SPEED LIMITER POTENTIOMETER 50Kȍ DIRECTION SWITCH 31 X RIGHT TRIGGER SWITCH 32 Wiring Color Codes REVERSE 41 FORWARD RECOVERY TANK PROPEL INTERLOCK SWITCH 39 39 (Unless otherwise marked) Right Most Digit of Wire Number Color of Wire Tan 0 1 Pink 2 Brown 3 Orange 4 Yellow 5 Green 6 Blue 7 Purple 8 Gray 9 White = Battery Negative or Logic Ground = Battery Positive or Logic High T5e 9002342 REV.00 (08-06) 49 52 LEFT TRIGGER SWITCH ! i Only one trigger switch needs to be closed to propel machine forward Be cautious when working near Control Board Battery voltage is always present, even with Key OFF i The Propel Motor (M4) is controlled by PWM; A higher duty cycle will result in higher travel speed i If Charger Plug is connected to battery charger, ALL machine functions will be disabled when Key Switch is turned ON 39 T5e – Propel Reverse System CONDITIONS: Key ON, reverse propel engaged + 1 RED 6 VDC - + 6 VDC - + 6 VDC - 6 VDC + 1 RED F1 100A - 13 BLK 13 BLK CHARGER PLUG F2 30A 1 RED 22 CONTROL BOARD 22 + - v 84 84 13 BLK 1 2 19 84 1 2 19 M4 PROPEL MOTOR 7 14 6 13 REVERSE 5V REFERENCE 32 32 SIGNAL INPUT 3 54 3 2 1 12 11 10 9 8 5 0V REFERENCE SPEED LIMITER POTENTIOMETER 50Kȍ DIRECTION SWITCH 31 X 32 FORWARD RECOVERY TANK PROPEL INTERLOCK SWITCH RIGHT TRIGGER SWITCH Wiring Color Codes REVERSE 41 39 39 (Unless otherwise marked) Right Most Digit of Wire Number Color of Wire Tan 0 1 Pink 2 Brown 3 Orange 4 Yellow 5 Green 6 Blue 7 Purple 8 Gray 9 White = Battery Negative or Logic Ground = Battery Positive or Logic High 40 49 52 LEFT TRIGGER SWITCH ! Be cautious when working near Control Board Battery voltage is always present, even with Key OFF i The Propel Motor (M4) is controlled by PWM; A higher duty cycle will result in higher travel speed i If Charger Plug is connected to battery charger, ALL machine functions will be disabled when Key Switch is turned ON T5e 9002342 REV.00 (08-06) T5e – Scrub Brushes CONDITIONS: Key ON, Scrub Head lowered for cleaning, propel engaged + 1 RED 6 VDC - + 6 VDC - + 6 VDC - + 1 RED F1 100A 6 VDC - 13 BLK 13 BLK CHARGER PLUG F2 30A 1 RED 22 22 CONTROL BOARD v + - 13 BLK 1 2 25 25 1 2 27 25 26 7 6 5 4 3 2 1 7 CR1 SCRUB/TRANSPORT SWITCH (INTERNAL TO SCRUB HEAD ACTUATOR) BRUSH PRESSURE GAUGE CB1 25A 2 BRUSH CONTACTOR RIGHT BRUSH MOTOR 59 12 14 13 12 11 10 9 8 13 BLK 13 BLK 13 BLK 13 BLK M1 CR1 1 RED CB2 25A 42 33 M2 LEFT BRUSH MOTOR Wiring Color Codes (Unless otherwise marked) Right Most Digit of Wire Number Color of Wire Tan 0 1 Pink 2 Brown 3 Orange 4 Yellow 5 Green 6 Blue 7 Purple 8 Gray 9 White = Battery Negative or Logic Ground = Battery Positive or Logic High T5e 9002342 REV.00 (08-06) ! Be cautious when working near Control Board Battery voltage is always present, even with Key OFF i If Charger Plug is connected to battery charger, ALL machine functions will be disabled when Key Switch is turned ON i The Scrub/Transport Switch closes when the Scrub Head Actuator extends (lowers) 2” (50mm) or more i The Brush Pressure Gauge monitors current on the Right brush motor only 41 T5e – Vacuum Fan System CONDITIONS: Key ON, Squeegee lowered + 1 RED 6 VDC - + 6 VDC - + 6 VDC - + 1 RED F1 100A 6 VDC - 13 BLK CHARGER PLUG F2 30A 1 RED CONTROL BOARD 22 + - v 13 BLK 1 2 54 54 54 4 CHARGER SAFETY SWITCH 44 14 24 KEY EMERGENCY SWITCH STOP SWITCH CR2 74 29 44 29 VACUUM FAN SWITCH 1 2 54 44 13 BLK 7 6 5 4 3 2 1 14 13 12 11 10 9 8 29 VACUUM FAN RELAY CB3 25A CR2 1 RED 20 10 13 BLK 13 BLK M3 VACUUM FAN MOTOR Wiring Color Codes (Unless otherwise marked) Right Most Digit of Wire Number Color of Wire Tan 0 1 Pink 2 Brown 3 Orange 4 Yellow 5 Green 6 Blue 7 Purple 8 Gray 9 White ! Be cautious when working near Control Board Battery voltage is always present, even with Key OFF i If Charger Plug is connected to battery charger, ALL machine functions will be disabled when Key Switch is turned ON = Battery Negative or Logic Ground = Battery Positive or Logic High 42 T5e 9002342 REV.00 (08-06) T5e – Conventional Solution Valve, Hour Meter CONDITIONS: Key ON, scrub head lowered for cleaning, propel engaged, conventional scrub selected 6 VDC + 1 RED - + 6 VDC - + 6 VDC - + 6 VDC 1 RED F1 100A - 13 BLK 13 BLK CHARGER PLUG F2 30A 1 RED 22 22 CONTROL BOARD + - v 7 26 26 1 2 25 CR1 BRUSH CONTACTOR SCRUB/TRANSPORT SWITCH (INTERNAL TO SCRUB HEAD ACTUATOR) 25 8 CONVENTIONAL SOLUTION VALVE 37 7 6 5 4 3 2 1 CONV 8 6 30 30 CR4 FaST RELAY FaST FaST/ CONVENTIONAL SWITCH 17 27 1 2 6 6 47 13 BLK 16 14 13 12 11 10 9 8 16 HOUR METER 27 27 F3 7.5A 1 RED CR4 18 13 BLK 28 13 BLK M6 Wiring Color Codes FaST PUMP MOTOR (Unless otherwise marked) Right Most Digit of Wire Number Color of Wire Tan 0 1 Pink 2 Brown 3 Orange 4 Yellow 5 Green 6 Blue 7 Purple 8 Gray 9 White = Battery Negative or Logic Ground = Battery Positive or Logic High T5e 9002342 REV.00 (08-06) ! Be cautious when working near Control Board Battery voltage is always present, even with Key OFF i If Charger Plug is connected to battery charger, ALL machine functions will be disabled when Key Switch is turned ON i The Scrub/Transport Switch closes when the Scrub Head Actuator extends (lowers) 2” (50mm) or more i The Hour Meter is activated only when the Scrub Head is lowered, and propel is engaged 43 T5e – FaST Pump, Hour Meter CONDITIONS: Key ON, scrub head lowered for cleaning, propel engaged, FaST scrub selected 6 VDC + 1 RED - + 6 VDC - + 6 VDC - + 6 VDC 1 RED F1 100A - 13 BLK 13 BLK CHARGER PLUG F2 30A 1 RED 22 22 CONTROL BOARD + - v 7 26 26 1 2 25 CR1 BRUSH CONTACTOR SCRUB/TRANSPORT SWITCH (INTERNAL TO SCRUB HEAD ACTUATOR) 25 8 CONVENTIONAL SOLUTION VALVE 37 6 30 FaST FaST/ CONVENTIONAL SWITCH FaST RELAY 16 17 7 6 5 4 3 2 1 CONV 8 30 CR4 27 1 2 6 6 47 13 BLK 14 13 12 11 10 9 8 16 HOUR METER 27 27 F3 7.5A 1 RED CR4 18 13 BLK 28 13 BLK M6 Wiring Color Codes FaST PUMP MOTOR (Unless otherwise marked) Right Most Digit of Wire Number Color of Wire Tan 0 1 Pink 2 Brown 3 Orange 4 Yellow 5 Green 6 Blue 7 Purple 8 Gray 9 White = Battery Negative or Logic Ground = Battery Positive or Logic High 44 ! Be cautious when working near Control Board Battery voltage is always present, even with Key OFF i If Charger Plug is connected to battery charger, ALL machine functions will be disabled when Key Switch is turned ON i The Scrub/Transport Switch closes when the Scrub Head Actuator extends (lowers) 2” (50mm) or more i The Hour Meter is activated only when the Scrub Head is lowered, and propel is engaged T5e 9002342 REV.00 (08-06) T5e – Scrub Head Actuator LOWER (Extend) CONDITIONS: Key ON, scrub head lower switch activated + 1 RED 6 VDC - + 6 VDC - 6 VDC + - + 6 VDC 1 RED F1 100A - 13 BLK 13 BLK CHARGER PLUG F2 30A 1 RED 22 CONTROL BOARD 22 + - v 26 26 7 1 2 25 CR1 SCRUB/TRANSPORT SWITCH (INTERNAL TO SCRUB HEAD ACTUATOR) BRUSH CONTACTOR 27 13 BLK 25 1 2 27 54 7 6 5 4 3 2 1 54 74 74 54 4 CHARGER SAFETY SWITCH 14 24 KEY EMERGENCY SWITCH STOP SWITCH ACTUATOR RELAY 64 14 13 12 11 10 13 BLK 9 8 13 BLK 13 BLK CR3 CB4 10A CR3 1 RED 78 38 SHOWN IN OPERATION DURING LOWERING OF SCRUB HEAD 40 40 RAISE RAISE LIMIT SWITCH 23 Right Most Digit of Wire Number TO FUSE F4 Wiring Color Codes (Unless otherwise marked) EXTERNAL LOWER LIMIT 56 SWITCH 68 13 BLK LOWER 56 68 Tan Pink 2 Brown 3 Orange 4 Yellow 5 Green 13 BLK Scrub Head Actuator Logic Chart switch Blue 7 Purple Fully Retracted (UP) 8 Gray Fully Extended (DOWN) 9 White Retracting (RAISING) Extending (LOWERING) = Battery Positive or Logic High T5e 9002342 REV.00 (08-06) LOWER LIMIT SWITCH 13 BLK 6 = Battery Negative or Logic Ground SCRUB HEAD ACTUATOR 50 Color of Wire 0 1 INTERNAL SWITCHES M5 condition Scrub/ Transport Internal Switches Raise Lower Limit Limit External Switch Lower Limit OPEN OPEN CLOSED CLOSED CLOSED CLOSED OPEN OPEN CLOSED CLOSED * CLOSED CLOSED CLOSED CLOSED * * Scrub/Transport Switch closes when actuator is extended 2" (50mm) or more 45 T5e – Scrub Head Actuator RAISE (Retract) CONDITIONS: Key ON, scrub head raise switch activated + 1 RED 6 VDC - + 6 VDC - 6 VDC + - 6 VDC + 1 RED F1 100A - 13 BLK 13 BLK CHARGER PLUG F2 30A 1 RED 22 CONTROL BOARD 22 + - v 26 26 7 1 2 25 CR1 SCRUB/TRANSPORT SWITCH (INTERNAL TO SCRUB HEAD ACTUATOR) BRUSH CONTACTOR 27 13 BLK 25 1 2 27 54 7 6 5 4 3 2 1 54 74 74 4 54 CHARGER SAFETY SWITCH 14 24 KEY EMERGENCY SWITCH STOP SWITCH ACTUATOR RELAY 64 14 13 12 11 10 13 BLK 9 8 13 BLK 13 BLK CR3 CB4 10A CR3 1 RED 78 38 40 40 SHOWN IN OPERATION DURING RAISING OF SCRUB HEAD RAISE RAISE LIMIT SWITCH 23 (Unless otherwise marked) Right Most Digit of Wire Number TO FUSE F4 Wiring Color Codes 56 56 LOWER 68 Tan 0 1 Pink 2 Brown 3 Orange 4 Yellow 5 Green 68 LOWER LIMIT SWITCH 13 BLK 13 BLK Scrub Head Actuator Logic Chart switch 6 Blue 7 Purple Fully Retracted (UP) 8 Gray Fully Extended (DOWN) 9 White Retracting (RAISING) Extending (LOWERING) = Battery Positive or Logic High SCRUB HEAD ACTUATOR INTERNAL SWITCHES 50 Color of Wire = Battery Negative or Logic Ground 46 EXTERNAL LOWER LIMIT SWITCH 13 BLK M5 condition Scrub/ Transport Internal Switches Raise Lower Limit Limit External Switch Lower Limit OPEN OPEN CLOSED CLOSED CLOSED CLOSED OPEN OPEN CLOSED CLOSED * CLOSED CLOSED CLOSED CLOSED * * Scrub/Transport Switch closes when actuator is extended 2" (50mm) or more T5e 9002342 REV.00 (08-06) T5e – Wand Pump CONDITIONS: Key ON, wand pump switch ON + 1 RED 6 VDC - + 6 VDC - + 6 VDC - + 6 VDC 1 RED F1 100A - 13 BLK 13 BLK CHARGER PLUG F2 30A 1 RED 22 22 CONTROL BOARD + - v 13 BLK 1 2 1 2 54 54 74 74 54 4 CHARGER SAFETY SWITCH 14 24 KEY EMERGENCY SWITCH STOP SWITCH ACTUATOR RELAY 64 7 6 5 4 3 2 1 14 13 12 11 10 13 BLK 9 8 13 BLK 13 BLK CR3 F4 7.5A CR3 1 RED 78 58 M7 WAND PUMP SWITCH 38 Wiring Color Codes WAND PUMP MOTOR TO CIRCUIT BREAKER CB4 (Unless otherwise marked) Right Most Digit of Wire Number Color of Wire Tan 0 1 Pink 2 Brown 3 Orange 4 Yellow 5 Green 6 Blue 7 Purple 8 Gray 9 White ! Be cautious when working near Control Board Battery voltage is always present, even with Key OFF i If Charger Plug is connected to battery charger, ALL machine functions will be disabled when Key Switch is turned ON = Battery Negative or Logic Ground = Battery Positive or Logic High T5e 9002342 REV.00 (08-06) 47
Source Exif Data:
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