maximal FD50-60T MWJ - User Manual

5-10t Internal Combustion Counterbalance Forklift Truck Operation & Maintenance Manual
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Introduction
This manual has mainly introduced the items related to performance, structure, operation,
maintenance, as well as service, and other aspects of M portfolio 5-10t forklift trucks, in order
for operators to understand the forklift trucks, and to use and maintain the trucks correctly.
During the application of forklift trucks, user’s operators and equipment management
personnel involved shall carefully observe the requirements and specifications for forklift
trucks in this manual, for the forklift trucks to regularly maintain a good technical condition.
Due to our continuous improvement of the forklift truck products, the items of this manual are
subject to alteration and may vary slightly from the real forklift trucks without prior notice,
for which your kind understanding is expected.
Note: The type code in this manual is different from the model on product data plate and
certificate of conformity. The type code of this series of trucks has covered engine and its
modification code.
Example:
FD50T — M W F
Isuzu 6BG1 Engine
Imported
Maximal
Model

Summary

Safety Rules for Forklift Drive and Operation

Operation of Forklift Truck

General guidelines and precautions for operating the forklift truck safely.

Main Technical Parameters for Forklift Truck

Structure, Principle, Adjustment, and Maintenance of Forklift Truck

Power System Overview

Overview of the power system components including engine, fuel, cooling, and exhaust systems.

Engine Configuration Details

Details on engine types used in 5-7t and 8-10t forklift trucks, focusing on Isuzu 6BG1.

Fuel System Components

Engine Examination and Adjustment

Outlines regular checks and adjustments for the engine to maintain good working status.

Electrical System Overview

Brief Introduction to Electrical Operation

Details the startup procedure, light switch, turn signals, brake, and reversing signals.

Transmission Device Overview

Torque Converter Working Principle

Explains the composition and working principle of the single-stage three-element torque converter.

Hydraulic Clutch Explanation

Transmission Failure Removal

Lists common transmission failures and refers to tables for their causes and removal methods.

Drive Axle Overview

Main Transmission and Speed Differential

Details the main transmission, speed differential, and their components.

Wheel-sided Reducer Structure

Drive Axle Failure Removal

Lists failures related to the main reducer casing and speed differential.

Brake System Overview

Power Brake System

Details the power brake system composed of pedal, accumulator, and brake.

Brake Pedal Device

Brake Valve Operation

Describes the non-braking and braking working conditions of the brake valve.

Vacuum Power Brake System

Details the vacuum power brake system and its components for assisted braking.

Vacuum Booster and Brake Master Cylinder

Details the structure and operating status of the vacuum booster and brake master cylinder.

Vacuum Power Brake Failure Analysis

Wheel Brake Types

Describes the internal expanding and shoe brake for 5-7t trucks and clamping brake for 8-10t.

Wheel Brake (For 5-7 t Trucks)

Wheel Brake (For 8-10 t Trucks)

Parking Brake Explanation

Brake System Failure Removal

Lists common brake system failures and their removal methods.

Steering System Overview

Steering Unit

Covers the steering unit's overview, principle, requirements, and maintenance.

Steering Unit Overview

Steering Unit Operating Principle

Illustrates the oil circuit of the steering unit and its working principles.

Steering Unit Application Requirements

Steering Unit Examination and Maintenance

Details regular examination and maintenance procedures for the steering unit.

Steering Unit Failure and Removal

Lists failures related to the steering unit and their corresponding removal methods.

Examination After Steering System Reassembly

Steering System Failure Removal

Lists steering system failures related to the bypass valve and their removal.

Steering Axle Components

Describes the structure of the steering axle body and its related assemblies.

Hydraulic System Overview

Multi-way Valve Details

Oil Circuit of Hydraulic System

Hydraulic System Maintenance

Covers disassembly, reassembly, and notices for the multi-way valve.

Lift Cylinder and Tilt Cylinder

Details the lift and tilt cylinders, their parameters, structure, and operation.

Lift Cylinder Structure and Operation

Describes the structure and operation of the lift cylinder.

Tilting Cylinder Description

Lifting System Overview

Adjustment of Lifting System

maximal FD50-60T MWJ Specifications

General

Model	FD50-60T MWJ
Engine Type	Diesel
Tyre Type	Pneumatic
Lift Height	6000 mm
Mast Type	Triplex
Engine Power	55 kW
Overall Height	2500 mm