Komatsu WB98A-2 Backhoe Loader Shop Manual WEBM002300 – PDF DOWNLOAD

Komatsu WB98A-2 Backhoe Loader Shop Manual WEBM002300 – PDF DOWNLOAD

FILE DETAILS:

Komatsu WB98A-2 Backhoe Loader Shop Manual WEBM002300 – PDF DOWNLOAD 

Language : English
Pages : 136
Downloadable : Yes
File Type : PDF
Size: 2.99 MB

IMAGES PREVIEW OF THE MANUAL:

DESCRIPTION:

Komatsu WB98A-2 Backhoe Loader Shop Manual WEBM002300 – PDF DOWNLOAD 

SERIAL NUMBERWB98A-2 WB98F20001 and up

GENERAL PRECAUTIONS:

Mistakes in operation are extremely dangerous. Read the Operation and Maintenance Manual carefully BEFORE operating the machine.1 .Before carrying out any greasing or repairs, read all the precautions given on the decals which are fixed to the machine.
2.When carrying out any operation, always wear safety shoes and helmet. Do not wear loose work clothes, or clothes with buttons missing.

•  Always wear safety glasses when hitting parts with a hammer.
•  Always wear safety glasses when grinding parts with a grinder, etc.

3. If welding repairs are needed, always have a trained, experienced welder carry out the work. When carrying out welding work, always wear welding gloves, apron, glasses, cap and other clothes suited for welding work.4.When carrying out any operation with two or more workers, always agree on the op- erating procedure before starting. Always inform your fellow workers before starting any step of the operation. Before starting work, hang UNDER REPAIR signs on the controls in the operator’s compartment.5. Keep all tools in good condition and learn the correct way to use them.
6. Decide a place in the repair workshop to keep tools and removed parts. Always keep the tools and parts in their correct places. Always keep the work area clean and make sure that there is no dirt or oil on the floor. Smoke only in the areas provided for smoking. Never smoke while working.PREPARATIONS FOR WORK:
7. Before adding or making any repairs, park the machine on hard, level ground, and block the wheels to
prevent the machine from moving.
8. Before starting work, lower outrigger, bucket or any other work equipment to the ground. If this is not possible,
use blocks to prevent the work equipment from falling down. In addition, be sure to lock all the control levers and hang warning sign on them.
9. When disassembling or assembling, support the machine with blocks, jacks or stands before starting
work.
10. Remove all mud and oil from the steps or other places used to get on and off the machine. Always use the handrails, ladders or steps when getting on or off the machine.Never jump on or off the machine. If it is impossible to use the handrails, ladders or steps, use a stand to provide safe footing.

TABLE OF CONTENTS:

Komatsu WB98A-2 Backhoe Loader Shop Manual WEBM002300 – PDF DOWNLOAD 

COVER………………………………………….. 1
CONTENTS……………………………………. 3
LIST OF REVISED PAGES………………………… 5
SAFETY……………………………………… 7
FOREWORD……………………………………. 9
HOW TO READ THE SHOP MANUAL…………………… 10
HOISTING INSTRUCTIONS………………………… 11
STANDARD TIGHTENING TORQUE……………………. 12
COATING MATERIALS……………………………. 14
ELECTRIC WIRE CODE…………………………… 15
WEIGHT TABLE………………………………… 16
TABLE OF OIL AND COOLANT QUANTITIES……………. 17
10. STRUCTURE AND FUNCTION……………………. 21
P.T.O…………………………………… 22
POWER TRAIN……………………………… 23
TRANSMISSION…………………………….. 24
AXLE……………………………………. 25
BRAKE…………………………………… 29
HYDROSTATIC TRANSMISSION………………….. 30
INCHING VALVE……………………………. 32
TRAVEL MOTOR…………………………….. 33
STEERING SYSTEM………………………….. 38
STEERING SYSTEM PUMP……………………… 39
STEERING UNIT……………………………. 40
PRIORITY VALVE…………………………… 41
FRAMES KNUCKLE AND JOINT………………….. 42
HYDRAULIC CIRCUIT DIAGRAM…………………. 43
3-SPOOL CONTROL VALVE…………………….. 45
6-SPOOL CONTROL VALVE…………………….. 47
7-SPOOL CONTROL VALVE…………………….. 49
8-SPOOL CONTROL VALVE…………………….. 50
OUTRIGGER SAFETY VALVES…………………… 52
BRAKE PUMP………………………………. 53
FRONT EQUIPMENT CYLINDER………………….. 54
FRONT WORK EQUIPMENT……………………… 56
LOADER CONTROL LEVER……………………… 57
BACKHOE CYLINDER…………………………. 58
BACKHOE WORK EQUIPMENT……………………. 62
BACKHOE CONTROL LEVER…………………….. 63
SOLENOID VALVE…………………………… 64
ELECTRICAL DIAGRAM……………………….. 67
20. TESTING AND ADJUSTING…………………….. 91
NORMAL OR STANDARD TECHICAL DATA…………… 92
40. MAINTENANCE STANDARD………………………107
P.T.O……………………………………109
TRANSMISSION……………………………..110
AXLES……………………………………111
TRAVEL MOTOR……………………………..116
STEERING PUMP…………………………….118
3-SPOOL CONTROL VALVE……………………..119
6-SPOOL CONTROL VALVE……………………..120
OUTRIGGER SAFETY VALVES……………………121
STEERING AND FRONT WORK EQUIPMENT CYLINDERS….122
BACKHOE CYLINDERS…………………………124
FRAME KNUCKLE AND JOINT……………………128
BACKHOE FRAME…………………………….129
FRONT WORK EQUIPMENT………………………130
BACKFRAME AND BRACKET……………………..132
BACKHOE WORK EQUIPMENT…………………….134