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TCM FB20-8 - User Manual

TCM FB20-8
259 pages
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Table of Contents

Questions and Answers

  • S
    Steven LeeAug 10, 2025
    How to fix poor braking force in TCM FB20-8?
    • D
      Dakota LeonAug 10, 2025
      If you're experiencing poor braking force with your TCM Forklifts, several factors could be at play. It might be due to brake fluid leaks, which require repair. Other potential causes include maladjusted brake shoe clearance (check and adjust the adjuster), overheating brakes (check for dragging), poor contact between the brake drum and lining (adjust contact), foreign matter sticking to the lining (repair or replace), foreign matter mixed in brake fluid (check brake fluid), or maladjustment of the brake pedal (adjust).
  • J
    James CarrilloAug 17, 2025
    Why are the brakes on my TCM Forklifts soft or spongy?
    • S
      Sandra JuarezAug 17, 2025
      If your TCM Forklifts exhibit a soft or spongy brake, it could stem from a few reasons. Start by checking for brake fluid leaks within the brake system and repair any leaks found. Also, inspect the brake shoe clearance and adjust the adjuster if it's maladjusted. Another possibility is air mixed in the brake system, in which case you should bleed the air. Finally, ensure the pedal is properly adjusted.
  • K
    Kelly HernandezAug 25, 2025
    What to do if TCM Forklifts have uneven braking?
    • J
      Jessica CastilloAug 26, 2025
      Uneven braking in TCM Forklifts can arise from several issues. Check for foreign matter adhering to the lining, and repair or replace if necessary. Inspect and adjust the brake shoe clearance. A malfunctioning wheel cylinder might also be the culprit, requiring repair or replacement. Additionally, a defective shoe return spring should be replaced. Other potential causes include a deflected drum (repair or replace) or improper tire inflation pressure (adjust).
  • J
    Jennifer CoxSep 2, 2025
    Why are the brakes on my TCM Forklifts noisy?
    • P
      pkimSep 2, 2025
      A noisy brake in TCM Forklifts could be due to several reasons. The lining surface might be hardened or have foreign matter sticking to it, requiring repair or replacement. The backing plate could be deformed, or its bolts might be loose, also needing repair or replacement. Shoes might be deformed or improperly installed, necessitating repair or replacement. Other causes include unevenly worn lining (replace) or a defective wheel bearing (replace).

Summary

CAUTIONS FOR SERVICING

BASIC SERVICING KNOWLEDGE

STANDARD BOLT TIGHTENING TORQUE

BATTERY AND CHARGER SYSTEM

Charger Operation and Procedures

Overview of charger components and step-by-step procedures for normal, boosting, and equalizing charges.

MOTOR SYSTEM OVERVIEW

MOTOR MAINTENANCE AND INSPECTION

Drive Motor Maintenance and Checks

Procedures for checking drive motors while running and stopped, covering environmental factors and connections.

CONTROL SYSTEM COMPONENTS

Inverter Unit and Accelerator Pedal Functionality

Overview of inverter units controlling motors and the accelerator pedal's role in signal output.

DRIVE UNIT AND AXLE SYSTEMS

BRAKE SYSTEM COMPONENTS AND OPERATION

BRAKE SYSTEM MAINTENANCE PROCEDURES

STEERING SYSTEM OVERVIEW

EPS STEERING SYSTEM COMPONENTS

HYDRAULIC SYSTEM COMPONENTS

HYDRAULIC SYSTEM MAINTENANCE AND TROUBLESHOOTING

Pump Maintenance and Trial Run Procedures

Procedures for maintaining the hydraulic pump, including disassembly, reassembly, and trial runs.

Hydraulic System Troubleshooting Guide

Guide for troubleshooting common hydraulic system problems, listing causes and recommended remedies.

LOAD HANDLING SYSTEM COMPONENTS

LOAD HANDLING SYSTEM MAINTENANCE

ELECTRIC SYSTEM OVERVIEW

CONTROL CIRCUITS AND SYSTEMS

Controller Power Supply and Drive System Circuits

Description of controller power supply, drive system circuits, including inverter units and accelerator potentiometers.

ELECTRICAL PARTS AND CHECKING PROCEDURES

Controller Assembly Checking Procedures

Procedures for checking the controller assembly, including bolts, connector contacts, and on-machine checks.

INVERTER AND EPS CONTROLLER CHECKS

Inverter Unit Terminal Locations and Checks

Description of inverter units and procedures for checking their terminals using a multimeter.

EPS Motor Controller Terminal Locations and Checks

Description of the EPS motor controller, its connector, and procedures for checking terminals with a multimeter.

ELECTRICAL COMPONENT CHECKS

Fuse, Accelerator Pedal, and Rotation Sensor Checks

Checking procedures for fuses, accelerator pedal potentiometers, and motor rotation sensors.

SENSORS AND PANEL CHECKS

TROUBLESHOOTING GUIDE INTRODUCTION

How to Use the Troubleshooting Guide

Instructions on navigating the troubleshooting guide, using error codes and problem-based approaches.

DRIVE SYSTEM TROUBLESHOOTING

Drive System Error Codes (1;5)

Troubleshooting guide for drive system errors, covering neutral interlock, low battery voltage, and temperature issues.

Drive System Error Codes (2;5)

Troubleshooting for drive system errors related to FET defects, current detection, and offset issues.

Drive System Error Codes (3;5)

Troubleshooting for drive system errors concerning current detection, offset abnormalities, and FET failures.

Drive System Error Codes (4;5)

Troubleshooting for drive system errors including overvoltage, sensor defects, and LCD panel issues.

Drive System Error Codes (5;5)

Troubleshooting for drive system errors like data reception errors, short circuits, and overcurrent conditions.

LOAD-HANDLING SYSTEM TROUBLESHOOTING (ORBITROL)

Load-Handling System (Orbitrol) Errors (1;3)

Troubleshooting guide for load-handling system errors in Orbitrol steering trucks, covering neutral interlock and temperature issues.

Load-Handling System (Orbitrol) Troubleshooting (1;3)

Load-Handling System (Orbitrol) Errors (2;3)

Troubleshooting for load-handling system errors, focusing on FET defects and current detection issues.

Load-Handling System (Orbitrol) Troubleshooting (2;3)

Load-Handling System (Orbitrol) Errors (3;3)

Troubleshooting for load-handling system errors, addressing short circuits, overcurrent, and data reception issues.

Load-Handling System (Orbitrol) Troubleshooting (3;3)

EPS POWER STEERING TROUBLESHOOTING

EPS Power Steering System Errors (1;2)

Troubleshooting guide for EPS power steering system errors, including transistor defects and energizing protection.

EPS Power Steering System Errors (2;2)

TROUBLESHOOTING BY ERROR CODE

Drive System Error Code Troubleshooting

EPS POWER STEERING SYSTEM TROUBLESHOOTING

EPS Power Steering System Troubleshooting (1;2)

EPS Power Steering System Troubleshooting (2;2)

TROUBLESHOOTING BY PROBLEM

PARAMETER SETTING GUIDE

Parameter Setting and Setup Screen Overview

Regenerative Control Functionality

TCM FB20-8 Specifications

General IconGeneral
ModelFB20-8
Power SourceElectric
Rated Capacity2000 kg
Load Center500 mm
Wheel TypeSolid
Lift Height3000 mm
Battery Voltage48 V

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