Description

Hitachi Shinrai Power BX100 Backhoe Loader Technicial and Workshop Manual

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Table of Content

General Information ……………………………………………………………………………………………………………………….. 00
How to Use Manual ………………………………………………………………………………………………………………………….. 00-01
Outline ……………………………………………………………………………………………………………………………………………. 00-03
Liquid Gasket and Screw Lock Agent …………………………………………………………………………………………………. 00-08
Cautions Regarding Welding Repair Service ……………………………………………………………………………………….. 00-10
Measurement of Performance Check ………………………………………………………………………………………………. 01
Cautions on Safety …………………………………………………………………………………………………………………………… 01-01
Standard Measurement values ………………………………………………………………………………………………………….. 01-02
Function and Structure Chassis Group …………………………………………………………………………………………… 02
Loader Attachment …………………………………………………………………………………………………………………………… 02-01
Backhoe Attachment ………………………………………………………………………………………………………………………… 02-02
Function and Structure Power Group ……………………………………………………………………………………………… 03
Power Line ……………………………………………………………………………………………………………………………………… 03-1
Engine / Transmission………………………………………………………………………………………………………………………. 03-2
Radiator………………………………………………………………………………………………………………………………………….. 03-3
Propeller Shaft ………………………………………………………………………………………………………………………………… 03-5
Check and Adjust Power Group………………………………………………………………………………………………………. 04
Engine ……………………………………………………………………………………………………………………………………………. 04-01
Propeller Shaft…………………………………………………………………………………………………………………………………. 04-02
Function and Structure Electrical Group …………………………………………………………………………………………. 05
How to Use Electrical Wiring Diagram ………………………………………………………………………………………………… 05-01
Electrical Cable Colour Codes …………………………………………………………………………………………………………… 05-02
Electrical Circuit Symbols………………………………………………………………………………………………………………….. 05-03
Fuse ………………………………………………………………………………………………………………………………………………. 05-04
Engine Start Circuit ………………………………………………………………………………………………………………………….. 05-06
Monitor …………………………………………………………………………………………………………………………………………… 05-09
Instrument Cluster ……………………………………………………………………………………………………………………………. 05-11
Switch and Sensor …………………………………………………………………………………………………………………………… 05-14
Fuel Float ……………………………………………………………………………………………………………………………………….. 05-15
Function and Structure Operator Station Group………………………………………………………………………………. 06
Cabin ……………………………………………………………………………………………………………………………………………… 06-01
Operator Seat………………………………………………………………………………………………………………………………….. 06-03
Steering and Transmission Shift Lever ……………………………………………………………………………………………….. 06-04
Air Conditioner…………………………………………………………………………………………………………………………………. 06-05
Check and Adjustment Operator Station Group ………………………………………………………………………………. 07
Air Conditioner…………………………………………………………………………………………………………………………………. 07-01
Drawing and Diagrams …………………………………………………………………………………………………………………… 08
Hydraulic Circuit ………………………………………………………………………………………………………………………………. 08-01
Electrical Circuit……………………………………………………………………………………………………………………………….. 08-02

Troubleshooting Section …………………………………………………………………………………………………………………. 01
Cautions Regarding Troubleshooting ………………………………………………………………………………………………….. 01-1
How to Use Quick Troubleshooting Table…………………………………………………………………………………………….. 01-2
Safety Precautions ……………………………………………………………………………………………………………………………. 01-3
Troubleshooting Steps ………………………………………………………………………………………………………………………. 01-4
Engine …………………………………………………………………………………………………………………………………………….. 01-4
Transmission ……………………………………………………………………………………………………………………………………. 01-13
Rear Axle…………………………………………………………………………………………………………………………………………. 01-19
Brake System …………………………………………………………………………………………………………………………………… 01-24
Hydraulic System ……………………………………………………………………………………………………………………………… 01-25
Hydraulic Pump ………………………………………………………………………………………………………………………………… 01-29
Loader Attachment ……………………………………………………………………………………………………………………………. 01-30
Backhoe Attachment …………………………………………………………………………………………………………………………. 01-31
Steering System ………………………………………………………………………………………………………………………………. 01-32
Electrical………………………………………………………………………………………………………………………………………….. 01-35
Gauges and Indicators ………………………………………………………………………………………………………………………. 01-41
Air Conditioning System …………………………………………………………………………………………………………………….. 01-44
Measurement of Performance Check Section …………………………………………………………………………………… 02
Cautions for Safety……………………………………………………………………………………………………………………………. 02-1
Standard Measurement Values for Performance Check…………………………………………………………………………. 02-2
Preparation for Performance Check…………………………………………………………………………………………………….. 02-3
Engine …………………………………………………………………………………………………………………………………………….. 02-4
Clutch Oil Pressure …………………………………………………………………………………………………………………………… 02-5
Hydraulic Cylinder (Loader Side) ………………………………………………………………………………………………………… 02-6
Hydraulic Cylinder (Backhoe Side)………………………………………………………………………………………………………. 02-7
Loader Arm Raising Time…………………………………………………………………………………………………………………… 02-9
Backhoe Boom Raising Time ……………………………………………………………………………………………………………… 02-10
Steering Circuit Relief Valve Pressure …………………………………………………………………………………………………. 02-11
Loader Circuit Relief Valve Pressure …………………………………………………………………………………………………… 02-12
Backhoe Circuit Relief Valve Pressure…………………………………………………………………………………………………. 02-13
Service Brake …………………………………………………………………………………………………………………………………… 02-14
Parking Brake…………………………………………………………………………………………………………………………………… 02-15
Check & Adjustment Section …………………………………………………………………………………………………………… 03
Check & Adjustment – Attachment group …………………………………………………………………………………………. 03-1
Loader Linkage Pin …………………………………………………………………………………………………………………………… 03-1
Backhoe Linkage Pin…………………………………………………………………………………………………………………………. 03-3
Check & Adjustment – Power group …………………………………………………………………………………………………. 03-5
Engine …………………………………………………………………………………………………………………………………………….. 03-5
Propeller Shaft………………………………………………………………………………………………………………………………….. 03-6

General Information …………………………………………………………………………………………………………………….. 00
Symbols……………………………………………………………………………………………………………………………………….. 00-1
Weight of Main Components …………………………………………………………………………………………………………… 00-2
Bolt Tightening Torque …………………………………………………………………………………………………………………… 00-3
Hose Band Tightening Torque ………………………………………………………………………………………………………… 00-4
Liquid Gasket and Screw Lock Agent ………………………………………………………………………………………………. 00-5
Cautions Regarding Welding Repair Service …………………………………………………………………………………….. 00-6
Cautions Regarding Handling of Bearing ………………………………………………………………………………………….. 00-8
Disassembly & Reassembly – Structures Group……………………………………………………………………………. 01
Fuel Tank …………………………………………………………………………………………………………………………………….. 01-1
Hydraulic Oil Tank …………………………………………………………………………………………………………………………. 01-2
Engine Room………………………………………………………………………………………………………………………………… 01-4
Cab……………………………………………………………………………………………………………………………………………… 01-6
Backhoe ………………………………………………………………………………………………………………………………………. 01-9
Loader Arm…………………………………………………………………………………………………………………………………… 01-11
Service Standards – Structures Group ………………………………………………………………………………………….. 02
Linkage (Loader) …………………………………………………………………………………………………………………………… 02-1
Linkage Pin Standard Clearance Values (Loader) ……………………………………………………………………………… 02-2
Linkage (Backhoe) ………………………………………………………………………………………………………………………… 02-3
Linkage Pin Standard Clearance Values (Backhoe) …………………………………………………………………………… 02-4
Disassembly & Reassembly – Power Group ………………………………………………………………………………….. 03
Power Line …………………………………………………………………………………………………………………………………… 03-1
Radiator……………………………………………………………………………………………………………………………………….. 03-2
Fan ……………………………………………………………………………………………………………………………………………… 03-5
Engine …………………………………………………………………………………………………………………………………………. 03-7
Propeller Shaft………………………………………………………………………………………………………………………………. 03-9
Air Cleaner …………………………………………………………………………………………………………………………………… 03-10
Muffler …………………………………………………………………………………………………………………………………………. 03-12
Front Axle Assembly ……………………………………………………………………………………………………………………… 03-13
Rear Axle Assembly ……………………………………………………………………………………………………………………… 03-16
Service Standard – Power Group ………………………………………………………………………………………………….. 04
Axle and Differential Service standard ……………………………………………………………………………………………… 04-1
Disassembly & Reassembly – Torque Converter and Transmission Group…………………………………….. 05
Torque Converter and Transmission Assembly …………………………………………………………………………………. 05-1
Torque Converter Assembly……………………………………………………………………………………………………………. 05-2
Transmission Assembly …………………………………………………………………………………………………………………. 05-6
Transmission ………………………………………………………………………………………………………………………………… 05-7 and more