Hyundai r35z-7 Repair Service Manual

Hyundai r35z-7 Repair Service Manual

Hyundai r35z-7 Specifications Service Manual

This service manual has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgments. Make sure you understand the contents of this manual and
use it to full effect at every opportunity.

This Hyundai service manual mainly contains the necessary technical information for operations performed in a service workshop.

SECTION 1 GENERAL SECTION 1 GENERAL

This is a variable displacement double-piston pump for discharge with equal displacements from one cylinder block.

The third pump and pilot pump can be connected to the same shaft via a coupling.

SECTION 2 STRUCTURE AND FUNCTION SECTION 2 STRUCTURE AND FUNCTION
This section explains the structure and function of each component.

SECTION 3 HYDRAULIC SYSTEM ECTION 3 HYDRAULIC SYSTEM
This section explains the hydraulic circuit, single and combined operation.

SECTION 4 ELECTRICAL SYSTEM SECTION 4 ELECTRICAL SYSTEM
This section explains the electrical circuit, monitoring system, and each component.

SECTION 5 TROUBLESHOOTING SECTION 5 TROUBLESHOOTING
This section explains the troubleshooting charts correlating problems to causes.

SECTION 6 MAINTENANCE STANDARD SECTION 6 MAINTENANCE STANDARD
This section gives the judgment standards when inspecting disassembled parts.

SECTION 7 DISASSEMBLY AND ASSEMBLY SECTION 7 DISASSEMBLY AND ASSEMBLY

This section explains the order to be followed when removing, installing, disassembling, or assembling each component, and precautions for these operations.

COMPONENT MOUNTING TORQUE

This section shows bolt specifications and standard torque values needed for mounting components to the machine.

The specifications contained in this shop manual are subject to change at any time and without any notice. Contact your HYUNDAI distributor for the latest information.

Hyundai r35z-7 Repair Service Manual

Contents

Section 1 General

1. Safety Hints
2. Specifications

Section 2 Structure and Function

1. Pump Device
2. Main Control Valve
3. Swing Device
4. Travel Device
5. Rcv Lever
6. Rcv Pedal

3 Hydraulic System

1. Hydraulic Circuit
2. Main Circuit
3. Pilot Circuit
4. Single Operation
5. Combined Operation

4 Electrical System

1. Component Location
2. Monitoring System
3. Electrical Circuit
4. Electrical Component Specification
5. Connectors

5 Troubleshooting

1. Before Troubleshooting
2. Hydraulic and Mechanical System
3. Electrical System

6 Maintenance Standard

1. Operational Performance Test
2. Major Components
3. Track and Work Equipment

7 Disassembly and Assembly

1. Precaution
2. Tightening Torque
3. Pump Device
4. Main Control Valve
5. Swing Device
6. Travel Device
7. Rcv Lever
8. Turning Joint
9. Boom, Arm and Bucket Cylinder
10. Undercarriage
11. Work Equipment

8 Component Mounting Torque

Work Equipment

Introduction Guide

Engine System

Electric System

Hydraulic System

Undercarriage

Structure

Hyundai r35z-7 Repair Manual