Hyundai r35z-7 Specs Service Manual

Hyundai r35z-7 Specifications Service Manual

Hyundai r35z-7 Specs 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.

For ease of understanding, the manual is divided into the following sections.

SECTION 1 GENERAL SECTION 1 GENERAL

This is a variable displacement double-piston pump for discharge with equal displacements from one cylinder block. This pump is so compact as to appear a single pump though this is actually a double pump.

Because this pump has one swash plate, the tilting angle is the same for two pumps. Tilting of the pump changes in response to the total pressure of P1 + P2. Namely, the output is controlled to the constant value so that the relationship between the discharge pressure and flow rate Q becomes
constant, (P1 + P2) * Q =Constant.

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. It serves not only to give an understanding of the structure but also serves as reference material for troubleshooting.

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. It serves not only to give an understanding of the electrical system but also serves as reference material for troubleshooting.

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, as well as precautions to be taken for these operations.

SECTION 8 COMPONENT MOUNTING TORQUE SECTION 8 COMPONENT MOUNTING TORQUE This section shows bolt specifications and standard torque values needed when mounting components to the machine.

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

Hyundai r35z-9 Specifications Service Manual
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Hyundai r35z-7 Specs Service Manual

CONTENTS CONTENTS:
SECTION 1 GENERAL SECTION 1 GENERAL
Group 1 Safety Hints ——- 1-1
Group 2 Specifications —- 1-9
SECTION 2 STRUCTURE AND FUNCTION SECTION 2 STRUCTURE AND FUNCTION
Group 1 Pump Device —– 2-1
Group 2 Main Control Valve — 2-9
Group 3 Swing Device —- 2-38
Group 4 Travel Device —– 2-46
Group 5 RCV Lever ——— 2-64
Group 6 RCV Pedal ——— 2-71
SECTION 3 HYDRAULIC SYSTEM SECTION 3 HYDRAULIC SYSTEM
Group 1 Hydraulic Circuit 3-1
Group 2 Main Circuit ——- 3-2
Group 3 Pilot Circuit ——– 3-5
Group 4 Single Operation —— 3-10
Group 5 Combined Operation —- 3-22
SECTION 4 ELECTRICAL SYSTEM SECTION 4 ELECTRICAL SYSTEM
Group 1 Component Location —- 4-1
Group 2 Monitoring system — 4-3
Group 3 Electrical Circuit 4-9
Group 4 Electrical Component Specification — 4-25
Group 5 Connectors ——– 4-31
SECTION 5 TROUBLESHOOTING SECTION 5 TROUBLESHOOTING
Group 1 Before Troubleshooting 5-1
Group 2 Hydraulic and Mechanical System —- 5-4
Group 3 Electrical System —– 5-24
SECTION 6 MAINTENANCE STANDARD SECTION 6 MAINTENANCE STANDARD
Group 1 Operational Performance Test ———— 6-1
Group 2 Major Components — 6-21
Group 3 Track and Work Equipment —————– 6-31
SECTION 7 DISASSEMBLY AND ASSEMBLY SECTION 7 DISASSEMBLY AND ASSEMBLY
Group 1 Precaution ——— 7-1
Group 2 Tightening Torque —- 7-4
Group 3 Pump Device —– 7-7
Group 4 Main Control Valve — 7-33
Group 5 Swing Device —- 7-47
Group 6 Travel Device —– 7-63
Group 7 RCV Lever ——— 7-90
Group 8 Turning Joint —— 7-104
Group 9 Boom, Arm and Bucket Cylinder ——– 7-109
Group 10 Undercarriage — 7-128
Group 11 Work Equipment —— 7-141
SECTION 8 COMPONENT MOUNTING TORQUE SECTION 8 COMPONENT MOUNTING TORQUE
Group 1 Introduction Guide —- 8-1
Group 2 Engine System — 8-2
Group 3 Electric System – 8-4
Group 4 Hydraulic System —– 8-5
Group 5 Undercarriage — 8-7
Group 6 Structure ———— 8-8
Group 7 Work Equipment —— 8-10

Hyundai r35z-7 Specifications Service Manual