Hitachi Hydraulic Excavator UH123 Serviceman HandBook Manual(KM037-00) – PDF DOWNLOAD

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Hitachi Hydraulic Excavator UH123 Serviceman HandBook Manual(KM037-00) – PDF DOWNLOAD

FILE DETAILS:

Hitachi Hydraulic Excavator UH123 Serviceman HandBook Manual(KM037-00) – PDF DOWNLOAD

Language : English
Pages :90
Downloadable : Yes
File Type : PDF
Size:3.30 MB

IMAGES PREVIEW OF THE MANUAL:

DESCRIPTION

Hitachi Hydraulic Excavator UH123 Serviceman HandBook Manual(KM037-00) – PDF DOWNLOAD

1. FOREWORD

This SERVICEMAN HANDBOOK compiles the data the UH Series as categorized by each model. It is mainly composed of the specifications of main equipment, its performance and measured performance data, as well as the standards and other items necessary for the field services. As to the method of performance measurement and other details, refer to the Service Manual.

2. MANAGEMENT OF HANDBOOK

2-1 How to handle
This handbook must be handled as “Restricted Access” and it must be particularly careful not to lend or hand over this handbook to the outsiders. without thought

2-2 Person-in-charge of management

1.  In the management section of this handbook, a full-time person-in-charge of management must be appointed to enable this manual to be used and managed properly at all times.
2. In case the existing person-in-charge relieves other person, it must be informed of the Overseas and Administration Department of Hitachi as soon as practicable.
3. The management No. of this handbook has already been registered in the management master file of the Overseas and Administration Department.

2-3 Revision & Addition

When the contents of this serviceman handbook are subjected to alteration, revision or addition is made and every time of the revision or addition, it is notified. So, maintenance should be performed at first hand according to the · revised and/or added instructions.

2-4 Others

When there is any request regarding the contents of this serviceman handbook
or if error(s) should be found in the contents, please inform as immediately.

TABLE OF CONTENTS:

Hitachi Hydraulic Excavator UH123 Serviceman Manual(KM037-00) – PDF DOWNLOAD

COVER 1
SECTION 1 FOREWORD 2
SECTION & GROUP CONTENTS 4
FOREWORD 6
1 FOREWORD 6
2 MANAGEMENT OF HANDBOOK 6
3 DESCRIPTION OF PERFORMANCE CHECK 7
SECTION 2 SPECIFICATIONS10
GENERAL SPECIFICATIONS12
1-1 DIMENSIONS AND WEIGHT12
1-2 WORKING RANGES13
OIL 14
(1) HYDRAULIC OIL14
(2) ENGINE OIL14
(3) GEAR OIL15
(4) GREASE15
OTHER STANDARD16
3-1 BOLT TIGHTENING TORQUE16
3-2 FLARED TYPE JOINT TIGHTENING TORQUE16
3-3 CONVERSION TABLE18
HYDRAULIC CIRCUIT24
ELECTRICAL CIRCUITS25
SECTION 3 ENGINE26
SPECIFICATIONS28
1-1 ENGINE28
1-2 FUEL SYSTEM28
1-3 LUBRICATION SYSTEM29
1-4 COOLING SYSTEM29
1-5 ELECTRIC SYSTEM29
1-6 AIR COMPRESSOR29
PERFORMANCE DATA30
2-1 ENGINE PERFORMANCE CURVE30
2-2 INJECTION PUMP CALIBRATION DATA31
ENGINE SERVICE DATA33
(1) VALVE CLEARANCE33
(2) VALVE TIMING33
(3) INJECTION TIMING33
(4) COMPRESSION PRESSURE34
(5) INJECTION PRESSURE35
(7) ENGINE SPEED35
OTHER STANDADS36
4-1 TIGHTENING TORQUE OF ATTACHING BOLTS36
4-2 ENGINE OIL36
4-3 FILTER ELEMENT37
SECTION 4 SUPERSTRUCTURE38
SPECIFICATIONS40
1 MAIN PUMP40
2 PILOT PUMP41
3 CONTROL VALVE (LEFT)41
4 CONTROL VALVE (RIGHT)41
5 ASSIST VALVE (FOR BOOM AND ARM)41
6 PILOT VALVE42
7 SWING DEVICE42
7-1 SWING MOTOR (WITH OVERLOAD RELIEF VALVE AND LOCK VALVE)42
7-2 SWING REDUCTION DEVICE42
PERFORMANCE CHECK43
1 LEVER OPERATING FORCE43
2 LEVER STROKE 44
3 SWING SPEED45
4 COASTING AT A TIME OF SWING STOP46
5 SWING MOTOR LEAKAGE ON SLOPE47
PRESSURE MEASUREMENT48
1 SET PRESSURE OF MAIN RELIEF AND OVERLOAD RELIEF VALVE48
2 SET PRESSURE OF SWING RELIEF VALVE51
3 SET PRESSURE OF PILOT RELIEF VALVE53
4 REDUCTING VALVE AND CUT-OFF VALVE55
PUMP PERFORMANCE CHECK57
1 MAIN PUMP57
MOTOR PERFORMANCE CHECK63
1 SWING MOTOR63
OTHER STANDARD65
1 AMOUNT OF OIL IN TANK & OIL CHANGING INTERVALS65
2 REPLACING INTERVALS OF FILTER ELEMENT65
3 TIGHTENING TORQUE OF MOUNTING BOLTS65
4 MEASURING TOOLS68
SECTION 5 UNDERCARRIAGE72
SPECIFICATIONS74
(1) TRAVEL MOTOR74
(2) TRAVEL REDUCTION DEVICE74
(3) BRAKE VALVE74
(4) PARKING BRAKE VALVE74
PERFORMANCE CHECK75
(1) TRAVEL SPEED (20 M STRAIGHT TRAVEL)75
(2) TRACK REVOLUTION (JACK -UP)75
(3) STRAIGHT TRAVELLING PERFORMANCE75
(4) TRAVEL MOTOR SLIPPAGE ON SLOPE76
(5) TRAVEL RELIEF VALVE76
OTHER STANDARDS77
(1) TIGHTENING TORQUE OF ATTACHING BOLTS77
(2) TRACK TANSION CHECK78
(3) AMOUNT OF LUBE OIL78
WEAR CHECK79
(1) TRACK LINK79
(2) SHOE 80
(3) LOWER ROLLER80
(4) UPPER ROLLER81
(5) FRONT IDLER82
(6) SPROCKET83
SECTION 6 FRONT END ATTACHMENTS84
SPECIFICATIONS86
(1) BOOM CYLINDER86
(2) ARM CYLINDER86
(3) BUCKET CYLINDER86
PERFORMANCE CHECK87
(1) BOOM SPEED87
(2) ARM SPEED87
(3) BUCKET SPEED87
(4) CREEPING OF CYLINDERS87
WEAR CHECK88
(1) PIN AND BUSHING88
(2) TOOTH POINT89
(3) SIDE CUTTER89

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• This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
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