Hitachi ZW550, ZW550-G Wheel Loader Service Manual

Hitachi ZW550, ZW550-G Wheel Loader Service Manual

$34.00

For Model ZW550 as mentioned above:

Service Manual (Troubleshooting) : Vol. No.TT11C5-E-01 (116 Pages)
Operation Manual : Vol. No.TO11C5-E-01 (526 Pages)
Workshop Manual : Vol. No.W11C5-E-01 (353 Pages)

For Model ZW550-G as mentioned above:

Service Manual (Troubleshooting) : Vol. No.TTNHD-E-EN0 (90 Pages)
Operation Manual : Vol. No.TONHD-E (587 Pages)
Workshop Manual : Vol. No.WNHD-E (365 Pages)

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  • Description
  • Table of Content
  • Reviews (0)

Description

Hitachi ZW550, ZW550-G Wheel Loader Service Manual

The manual is applicable for the Hitachi ZW550, ZW550-G Wheel Loader Model

Format: PDF
Language: English
Service Manual consists of the following:

For Model ZW550 as mentioned above:

Service Manual (Troubleshooting) : Vol. No.TT11C5-E-01 (116 Pages)
Operation Manual : Vol. No.TO11C5-E-01 (526 Pages)
Workshop Manual : Vol. No.W11C5-E-01 (353 Pages)

For Model ZW550-G as mentioned above:

Service Manual (Troubleshooting) : Vol. No.TTNHD-E-EN0 (90 Pages)
Operation Manual : Vol. No.TONHD-E (587 Pages)
Workshop Manual : Vol. No.WNHD-E (365 Pages)

Table of Content of the Workshop Manual

Clutch Assembly …………………………………………………………………………………………………………………………… 34-26
Clutch assembly disassembling and assembling ………………………………………………………………………….. 34-26
Clutch Spider Assembly …………………………………………………………………………………………………………………. 34-38
Transmission low/3rd speed clutch spider disassembling and assembling ………………………………………. 34-38
Transmission 1st and 2nd speed clutch spider disassembling and assembling ………………………………… 34-39
Reverse Clutch Spider …………………………………………………………………………………………………………………… 34-41
Transmission reverse clutch spider disassembling and assembling ………………………………………………… 34-41
Transmission 1st Clutch Assembly ………………………………………………………………………………………………….. 34-43
Transmission 1st speed clutch assy disassembling and assembling ………………………………………………. 34-43
Transmission High Clutch Assembly ………………………………………………………………………………………………… 34-47
Transmission high clutch assy disassembling and assembling ………………………………………………………. 34-47
Modulator Valve Assembly ……………………………………………………………………………………………………………… 34-50
Removing and reinstalling modulator valve …………………………………………………………………………………. 34-50
Control Valve Assembly …………………………………………………………………………………………………………………. 34-52
Control valve removing and installing …………………………………………………………………………………………. 34-52
Service Standard Torque Converter and Transmission Group …………………………………………………………………. 35-1
Transmission Assembly …………………………………………………………………………………………………………………… 35-2
Torque Converter Gear Pump …………………………………………………………………………………………………………… 35-5
Gear pump specifications ……………………………………………………………………………………………………………. 35-5
Gear Train and Number of Teeth ……………………………………………………………………………………………………….. 35-6
Clutch Oil Pressure …………………………………………………………………………………………………………………………. 35-7
Disassembly & Reassembly Hydraulic Group ………………………………………………………………………………………… 44-1
Hydraulic Parts Removal and Installation Warning ………………………………………………………………………………. 44-2
Hydraulic Parts Disassembly and Assembly Cautions ………………………………………………………………………….. 44-3
Hydraulic parts disassembly cautions …………………………………………………………………………………………… 44-3
Hydraulic parts assembly cautions ……………………………………………………………………………………………….. 44-3
Hydraulic Pump Assembly ……………………………………………………………………………………………………………….. 44-4
Hydraulic pump assy removing and installing ………………………………………………………………………………… 44-4
Hydraulic pump assy disassembling and assembling ……………………………………………………………………… 44-6
Hydraulic Cylinder …………………………………………………………………………………………………………………………. 44-14
Boom cylinder removing and installing ………………………………………………………………………………………… 44-14
Bucket cylinder removing and installing ………………………………………………………………………………………. 44-17
Steering cylinder removing and installing …………………………………………………………………………………….. 44-19
Hydraulic cylinder disassembling and assembling ………………………………………………………………………… 44-21

This is only an extract of the Table of content and not the whole table.

Hitachi ZAXIS ZW550, ZW550-G service manual consists of the Troubleshooting and the Workshop Manual.

  • Information included in the Service Manual: Technical information needed for redelivery and delivery, operation and activation of all devices and systems, operational performance tests, and troubleshooting procedures.
  • Information included in the Workshop Manual: Technical information needed for maintenance and repair of the machine, tools and devices needed for maintenance and repair, maintenance standards, and removal / installation and assemble / disassemble procedures.

Time lag measurement procedure:
1) Lower the boom to the lowest limit, and fully roll back the bucket until the bucket contacts to the stopper.
2) Set the parking brake switch to the “OFF” position.
Do not apply the service brakes.
3) Set the transmission shift lever to the neutral 1st speed.
4) Keep the engine speed at 1,500 min-1 (rpm).
5) Move the shift lever to the forward position. At the same time, start the stop watch to measure the time required before the machine moves.

Clutch Oil Pressure

Possible causeSolution
Malfunctioning modulator valve (1) operationInspection & repair
Malfunctioning modulator valve (2) operationInspection & repair
Defective controllerReplacement
Oil leakage from clutchDisassembly & repair

Clutch time lag

Possible causeSolution
Defective pressure difference sensorReplacement
Malfunctioning modulator valve (1) operationInspection & repair
Malfunctioning modulator valve (2) operationInspection & repair
Defective controllerReplacement
Defective clutchDisassembly & repair
  • Workshop Manual
  • SECTION 1 GENERAL INFORMATION
    Group 1 Precautions for disassembling and
    Assembling
    Group 2 Tightening Torque
    Group 3 Painting
    Group 4 Bleeding Air from Hydraulic Oil Tank
    SECTION 2 UPPERSTRUCTURE
    Group 1 Cab
    Group 2 Counterweight
    Group 3 Main Frame
    Group 4 Pump Device
    Group 5 Control Valve
    Group 6 Swing Device
    Group 7 Pilot Valve
    Group 8 Pilot Shut-Off Valve
    Group 9 Signal Control Valve
    Group 10 Travel Shockless Valve
    Group 11 Solenoid Valve
    Group 12 Pilot Relief Valve
    Group 13 Steering Valve
    Group 14 Brake Valve
    Group 15 Accumulator Charging Valve
    Group 16 Transmission Control Valve
    SECTION 3 UNDERCARRIAGE
    Group 1 Swing Bearing
    Group 2 Travel Motor
    Group 3 Center Joint
    Group 4 Transmission
    Group 5 Axle
    Group 6 Axle Lock Cylinder
    Group 7 Operate-Check Valve
    Group 8 Propeller Shaft
    SECTION 4 FRONT ATTACHMENT
    Group 1 Front Attachment
    Group 2 Cylinder
    Group 3 Hose-Rupture Safety Valve
    Group 4 Operate-Check Valve
    SECTION 5 ENGINE

    Service Manual (Troubleshooting)
    SECTION 4 OPERATIONAL PERFORMANCE
    TEST
    Group 1 Introduction
    Group 2 Standard
    Group 3 Engine Test
    Group 4 Excavator Test
    Group 5 Component Test
    Group 6 Adjustment
    SECTION 5 TROUBLESHOOTING
    Group 1 General
    Group 2 Component Layout
    Group 3 Troubleshooting A
    Group 4 Troubleshooting B
    Group 5 Troubleshooting C
    Group 6 Electrical System Inspection
    Group 7 ICX

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