Sumitomo SH250-5, SH250-5 LR Hydraulic Excavator Repair Manual

Sumitomo Excavator SH250-5, SH250-5 LR
Manual Identification: WLST2105-02W, WLST2005TS-00W, WLSM2105-00W, WDL2005-2T, WCL2405-1T
English
Sumitomo SH250-5, SH250-5 LR Hydraulic Excavator Repair Service Manual – 1704 Pages
Operators Manual – 246 Pages
Parts Catalog – 746 Pages

Sumitomo SH250-5, SH250-5 LR Manual TABLE OF CONTENTS

Engine Section
Procedures for Replacing Consumable Parts
Engine Oil …………………………………………………………………………………………………….1
Removal and Installation of Engine Oil Filter Element…………………………………………4
Fuel Filter……………………………………………………………………………………………………..5
Removal and Installation of Air Conditioner Belt ………………………………………………..8
Removal and Installation of Alternator Belt………………………………………………………10
Assembly and Disassembly
Removal and Installation of Engine Hood………………………………………………………..12
Removal and Installation of Engine Assembly………………………………………………….16
Removal and Installation of Starter Motor ……………………………………………………….24
Removal and Installation of Alternator…………………………………………………………….26
Removal and Installation of Supply Pump ……………………………………………………….28
Removal and Installation of Common Rail……………………………………………………….36
Removal and Installation of Injector………………………………………………………………..38
Removal and Installation of Muffler ………………………………………………………………..46
Removal and Installation of Turbo Charger ……………………………………………………..48
Removal and Installation of EGR Cooler and EGR Valve…………………………………..51
Removal and Installation of Engine Sensors ……………………………………………………54
Removal and Installation of Fuel Cooler………………………………………………………….55
Removal and Installation of Engine Inter Cooler ………………………………………………56
Air Conditioner Section
Assembly and Disassembly
Removal and Installation of Compressor…………………………………………………………..1
Removal and Installation of Condenser…………………………………………………………….3
Removal and Installation of Receiver Dryer ………………………………………………………5
Assembly and Disassembly of Unit ………………………………………………………………….7
Gas Filling Procedures
Work Precautions ………………………………………………………………………………………..12
Work Procedures…………………………………………………………………………………………13
Filling Procedures………………………………………………………………………………………..15
Maintenance Section
Electrical Equipment Judgment Procedures
Electricity Measurement Procedures………………………………………………………………..1
Maintenance Standards
Check Sheet …………………………………………………………………………………………………3
Inspection Gauge ………………………………………………………………………………………..15
List of Attachment Gap Adjustment Shims ………………………………………………………17
List of Attachment Gap Adjustment Shims (for boom foot)………………………………..21
Assembly and Disassembly Section
Track Shoe
Removal and Installation of Shoe Assembly ……………………………………………………..1
Removal and Installation of Shoe Plate…………………………………………………………….5
Travel Unit
Removal and Installation of Travel Motor…………………………………………………………..6
Assembly and Disassembly of Travel Motor …………………………………………………….14
Take-up Roller
Removal and Installation of Take-up Roller ……………………………………………………..73
Assembly and Disassembly of Take-up Roller………………………………………………….76
Upper Roller
Removal and Installation of Upper Roller ………………………………………………………..83
Assembly and Disassembly of Upper Roller…………………………………………………….86
Lower Roller
Removal and Installation of Lower Roller ………………………………………………………..93
Assembly and Disassembly of Lower Roller…………………………………………………….96
Swing Unit
Removal and Installation of Swing Unit …………………………………………………………103
Assembly and Disassembly of Swing Unit……………………………………………………..109
Assembly and Disassembly of Swing Motor…………………………………………………..114
Assembly and Disassembly of Swing Reduction Gear…………………………………….133
Center Joint
Removal and Installation of Center Joint ……………………………………………………….152
Counterweight
Removal and Installation of Counterweight ……………………………………………………159
Hydraulic Pump
Removal and Installation of Hydraulic Pump ………………………………………………….165
Procedures for Assembly and Disassembly of Hydraulic Pump Main Unit………….170
Pump Main Unit Maintenance Standards ………………………………………………………178
Explanation of Regulator Operation………………………………………………………………182
Procedures for Assembly and Disassembly of Regulator…………………………………188
Remote Control Valve
Removal and Installation of Operation Remote Control Valve…………………………..201
Procedures for Assembly and Disassembly of Operation Remote Control Valve…210
Removal and Installation of Travel Remote Control Valve ………………………………..223
Procedures for Assembly and Disassembly of Travel Remote Control Valve ………226
Control Valve
Removal and Installation of Control Valve ……………………………………………………..246
Procedures for Assembly and Disassembly of Control Valve ……………………………252
Other Valves
Removal and Installation of 5 Stack Solenoid ………………………………………………..286
Removal and Installation of Cushion Valve…………………………………………………….290
Assembly and Disassembly of Cushion Valve………………………………………………..294
Radiator and Oil Cooler
Removal and Installation of Radiator…………………………………………………………….301
Removal and Installation of Oil Cooler ………………………………………………………….309
Tank
Removal and Installation of Hydraulic Oil Tank……………………………………………….310
Removal and Installation of Fuel Tank…………………………………………………………..316
Attachments
Removal and Installation of Bucket……………………………………………………………….320
Removal and Installation of Bucket Link………………………………………………………..322
Removal and Installation of Bucket Cylinder ………………………………………………….325
Removal and Installation of Arm Cylinder………………………………………………………329
Removal and Installation of Arm…………………………………………………………………..334
Removal and Installation of Boom Cylinder……………………………………………………336
Removal and Installation of Boom ………………………………………………………………..341
Removal and Installation of Arm HBCV…………………………………………………………346
Removal and Installation of Boom HBCV………………………………………………………347
Procedures for Operation/Assembly and Disassembly of Hydraulic Cylinder ……..349
Cylinder Handling Precautions …………………………………………………………………….369
Cautions for Safety …………………………………………………………………………………….370
Structural Diagram (Made by ZENOAH)………………………………………………………..371
Lights
Removal and Installation of Boom Light ………………………………………………………..376
Removal and Installation of Tool Box Light …………………………………………………….377
Procedures for Removal and Installation of Cab Inner and Outer Parts
Removal and Installation of Cab Assembly ……………………………………………………378
Removal and Installation of Operator’s Seat ………………………………………………….385
Removal and Installation of Wiper ………………………………………………………………..387
Removal and Installation of Wiper Controller …………………………………………………388
Removal and Installation of Wiper Motor……………………………………………………….391
Removal and Installation of Monitor ……………………………………………………………..394
Removal and Installation of Cab Front Glass …………………………………………………395
Window Lock Adjustment Procedure…………………………………………………………….397
Hydraulic Equipment-related Parts
Accumulator………………………………………………………………………………………………399
Suction Filter……………………………………………………………………………………………..400
Return Filter………………………………………………………………………………………………402
Pilot Filter………………………………………………………………………………………………….404
Other
Removal and Installation of Side Door ………………………………………………………….405
Draining Oil from Hydraulic Oil Tank……………………………………………………………..407
The Sumitomo Manual Preface

The purpose of this Sumitomo Excavator manual is to assist dealers and repair serviceman in efficient repair and maintenance of their machinery. Carrying out the procedures as detailed, together with the use of any special tools needed.

Using the Sumitomo SH250-5, SH250-5 LR Manual

To make information easier to find, there is an index at the beginning of each section listing the various parts in that section. At the beginning of each part there is a table of contents which should also be used as a guide to locate information.

To assist with locating information, each section of the manual is preceded by a contents page listing the repair operations, Each instruction within an operating has a sequence number. To complete the operation in the minimum time is possible follow the manual guideline and repair instructions.

When parts have to be replaced in either the SH250-5, SH250-5 LR Hydraulic Excavator , it is essential that only genuine Sumitomo parts should be used. Special attention should be paid to the following points concerning repairs and the fitting of replacement parts and accessories.

Indexing

For convenience the manual is divided into section and parts, each page bearing a section and part number. The sections are subdivided into numbered operation. This simplifies cross referencing and enable the subject to be found easily.