Hyster A373 Service & Repair Manual
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Hyster A373 Service & Repair Manual

Hyster A373 Service & Repair Manual

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Hyster A373 (C60ZHD, C80ZHD) Forklift

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Summary of Contents for Hyster A373

  • Page 1 Hyster A373 (C60ZHD, C80ZHD) Forklift...
  • Page 2 ELECTRICAL SYSTEM C80Z [A282]; C60Z [A373]; [C476/D476]; [C477] PART NO. 4096001 2200 SRM 1632...
  • Page 3 • Keep the tools clean and in good condition. • Always use HYSTER APPROVED parts when making repairs. Replacement parts must meet or ex- ceed the specifications of the original equipment manufacturer. • Make sure all nuts, bolts, snap rings, and other fastening devices are removed before using force to remove parts.

  • Page 4: Table Of Contents

    Directional/Throttle Switch ..........................25 Neutral Switches ............................25 Throttle Sensor ............................26 Lower Cover ..............................26 Handle Shaft ..............................26 Upper Cover ..............................27 Hand-brake ..............................27 Lift Pump Motor (C60ZHD and C80ZHD Only)....................28 Remove ................................28 Install .................................28 ©2016 HYSTER COMPANY...
  • Page 5 Thanks very much for your reading, Want to get more information, Please click here, Then get the complete manual NOTE: If there is no response to click on the link above, please download the PDF document first, and then click on it. Have any questions please write to me: admin@servicemanualperfect.com...
  • Page 6 Table of Contents TABLE OF CONTENTS (Continued) Troubleshooting ..............................28 General Troubleshooting ..........................28 This section is for the following models: (C80ZHD) [A282]; (C60ZHD) [A373]; (T5ZAC) [C476/D476]; (T7ZAC) [C477]...

  • Page 7: General

    2200 SRM 1632 General General This section includes removal, disassembly, checks, 0620SRM1621 for general information on traction adjustments, assembly, installation, and motor troubleshooting and repair for lift truck troubleshooting procedures for the electrical system models: components on the T5-7Z and C60-80Z truck •...

  • Page 8: Description Of Operation

    General 2200 SRM 1632 A. RH SIDE C. FORWARD B. LH SIDE D. REVERSE Figure 1. Truck Orientation Description of Operation This section includes information on the following • High Speed Switch components: • Hand Brake Assembly (Brake and Regen •...
  • Page 9 2200 SRM 1632 Description of Operation • Control Module levers, various linkages, and three switches to per- form two different braking functions. When both • AC Motor Controller levers are released (Position One), no braking is ap- • Brake Coil plied.
  • Page 10 Description of Operation 2200 SRM 1632 1. KEY SWITCH 7. LIFT PUMP MOTOR 2. BATTERY DISCHARGE INDICATOR (BDI) 8. DIAGNOSTIC CONNECTOR 3. PARKING BRAKE SWITCH 9. CONTACTOR 4. PARKING BRAKE 10. CONTROLLER 5. TRACTION MOTOR 11. FUSE 6. HORN 12. BATTERY CONNECTOR Figure 3.
  • Page 11 2200 SRM 1632 Description of Operation 1. KEY SWITCH 7. DIAGNOSTIC CONNECTOR 2. BATTERY DISCHARGE INDICATOR (BDI) 8. CONTACTOR 3. PARKING BRAKE SWITCH 9. CONTROLLER 4. PARKING BRAKE 10. FUSE 5. TRACTION MOTOR 11. BATTERY CONNECTOR 6. HORN Figure 4. Electrical Components (T5-7Z...

  • Page 12: Special Precautions

    Special Precautions 2200 SRM 1632 Special Precautions ure 5. DO NOT short across the motor control- DISCHARGING THE CAPACITORS ler terminals with a screwdriver or jumper wire. WARNING The capacitor in the transistor controller can hold an electrical charge after the battery is disconnec- ted.

  • Page 13: Electrical System Checks

    2200 SRM 1632 Electrical System Checks Electrical System Checks 5. Discharge the capacitor. See Special Precau- WARNING tions in this section. Disconnect the battery before opening the com- 6. The electric lift truck has a two-wire system. partment cover or inspecting or repairing the elec- The frame must not be a common electrical trical system.
  • Page 14 Electrical System Checks 2200 SRM 1632 Table 1. Voltage Checks LIFT TRUCK WILL NOT MOVE IN EITHER DIRECTION. NO FAULT IS DISPLAYED ON THE CONTROLLER. Possible Causes: 1. Battery not connected. 2. Control fuse is damaged. 3. Key switch or brake switch is damaged. 4.

  • Page 15: Repairs

    2200 SRM 1632 Repairs Repairs CALIBRATION MODE WARNING In Calibration Mode, service screens can be ac- DO NOT make repairs or adjustments unless you cessed through the battery discharge indicator have been properly trained and authorized to do LCD. Instructions for the various calibration proce- so.

  • Page 16: Install

    Repairs 2200 SRM 1632 4. Tag and disconnect wires from the controller. Install See Figure 6. 1. Install replacement controller on lift truck us- ing mounting hardware. 2. Connect wires and cables to the proper termi- nals as identified during the removal proce- dure.
  • Page 17 2200 SRM 1632 Repairs 6. If there is no voltage at A9 (+5V), then trouble- shoot the module. See the Troubleshooting Manual section. 7. If the voltages are proper readings (in Step 4 and Step 55), then check inputs at connector A while activating each function.

  • Page 18: Remove

    Repairs 2200 SRM 1632 Table 2. Input Connector A (Continued) 16 Pin Connector A Fourth Analog Input +BATT +Battery, Short Circuit to CNB#5 COMMON Positive of all the Digital Common Microswitch Inputs -BATT -Battery Battery Negative Table 3. Input Connector B 6 Pin Connector B CAN LOW Low Level CAN-BUS Voltage I/O...

  • Page 19: Install

    2200 SRM 1632 Repairs sistance readings indicate a short circuit in both di- rections or if there is an open circuit in both direc- tions. Make sure coil wires are connected to the proper terminals. Remove 1. Move the truck to a safe location, turn the key switch to the OFF position and disconnect the battery.

  • Page 20: Install

    Repairs 2200 SRM 1632 6. On EE units, remove fuse, buss-bar, and stand- off to access the contactor mounting screws. 7. Remove two mounting screws located on the side of the contactor and remove contactor as- sembly. See Figure 10. Install 1.

  • Page 21: Install

    2200 SRM 1632 Key Switch INSTALL Toggle switches may be used in place of key switches certain applications. The term "key switch" will be used for both types of switch in the following instructions. See Figure 11 or Figure 12. 1.

  • Page 22: Install

    Parking Brake Switch 2200 SRM 1632 1. Connect wires to proper terminals, as identified during removal. 2. Install parking brake switch through mounting hole in frame and adjust switch to proper height by turning lower jam nut. Position switch lever according to brake NOTE: switch decal.

  • Page 23: Horn

    2200 SRM 1632 Horn Horn 5. Remove nuts and washers from bolts securing REPLACE horn to frame. Remove horn from bolts. Posi- 1. Move the truck to a safe, level location; turn the tion new horn onto bolts as removed and install key switch to the OFF position;...

  • Page 24: Install

    High Speed Switch Assembly 2200 SRM 1632 2. Install the screws (6) and lockwashers (7) se- curing the wiring harness to the switch as re- moved. 3. Install actuator to actuator plate in the orienta- tion shown. 4. Attach actuator and actuator plate to switch by inserting screws (14).

  • Page 25: Control Handle

    2200 SRM 1632 Control Handle Control Handle NOTE: No further disassembly is required if only DISASSEMBLE removing the hand-brake assembly from the control handle. If disassembly is required on the hand- WARNING brake, perform only the steps necessary to complete the repairs.

  • Page 26: Upper Cover

    Control Handle 2200 SRM 1632 8. Tag and identify all wire connections for refer- Upper Cover ence during reassembly. Refer to Figure 15. 9. Remove wires and replace switch(es) if defec- tive. 1. Remove four screws (20, 17) and lockwashers (16) that hold upper and lower covers of control Handle Shaft handle head together.

  • Page 27: Directional/Throttle Switch

    2200 SRM 1632 Control Handle 4. Unplug four wires connected to forward and re- 2. Remove upper screws (7). verse switches. 3. Remove nutplate. 5. Remove two capscrews (29) and lockwashers 4. Remove directional switches, insulators, and (30) that hold the plate and lower cover of con- spacer.
  • Page 28 Control Handle 2200 SRM 1632 Figure 15. Control Handle Assembly...

This manual is also suitable for:

C60zhdC80zhd

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