Technical Workshop Guide: Komatsu HM400-2 ARTICULATED DUMP TRUCK SERVICE REPAIR Manual
Need to fix your equipment? This professional service guide is the official resource for expert mechanics. It includes specific electrical wiring diagrams and hydraulic troubleshooting steps tailored for this specific model.
This technical documentation for the Brand series provides OEM specifications, torque settings, and assembly instructions.
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What's inside this Brand manual?
- Engine Overhaul
- Transmission Specs
- Hydraulic Schematics
- Electrical Diagrams
- Diagnostic Codes
- Maintenance Intervals
Komatsu HM400-2 DUMP TRUCK SERVICE Manual
HM400-2
ARTICULATED DUMP TRUCK
SERIAL NUMBERS HM400-2 2001 and up
A11001 and up
Composition of shop manual 1
The contents of this shop manual are shown together with Form No. in a list.
Note 1: Always keep the latest version of this manual in accordance with this list and utilize accordingly.
The marks shown to the right of Form No. denote the following:
Q: New issue (to be filed additionally) q: Revision (to be replaced for each Form No.)
Note 2: This shop manual can be supplied for each Form No.
Note 3: To file this shop manual in the special binder for management, handle it as follows:
Place a divider on the top of each section in the file after matching the Tub No. with No. indicated
next to each Section Name shown in the table below:
File overview and other materials in sections in the order shown below and utilize them accordingly.
Section Title Form Number
Shop Manual, contents binder, binder label and tabs SEN00239-03
00 Index and foreword SEN00511-03
Index SEN00512-03 q
Foreword and general information SEN00513-00
01 Specification SEN00514-00
Specification and technical data SEN00515-00
10 Structure, function, and maintenance standard SEN00516-00
Engine and cooling system SEN00517-00
Power train system, Part 1 SEN00518-00
Power train system, Part 2 SEN00519-00
Steering system SEN00520-00
Brake system SEN00521-00
Undercarriage and frame SEN00522-00
Hydraulic system SEN00523-00
Cab and its attachments SEN00524-00
Electrical system, Part 1 SEN00525-00
Electrical system, Part 2 SEN00526-00
Electrical system, Part 3 SEN00527-00
20 Standard value tables SEN00528-01
General information on troubleshooting SEN01107-00
Troubleshooting by failure code, General SEN01262-00
Troubleshooting by failure code, Part 1 SEN01108-00
Troubleshooting by failure code, Part 2 SEN01109-00
Troubleshooting by failure code, Part 3
Komatsu HM400-2 ARTICULATED DUMP TRUCK SERVICE REPAIR Manual
Service repair manual contains:
Table of contents 1
00 Index and foreword
Index SEN00512-03
Organization list of the shop manual 2
Table of contents 4
Foreword and general information SEN00513-00
Foreword and general information 2
Safety notice 2
How to read the shop manual 6
Explanation of terms for maintenance standard 8
Handling electric equipment and hydraulic component 10
How to read electric wire code 18
Method of disassembling and connecting push-pull type coupler 21
Standard tightening torque table 24
Conversion table 28
01 Specification
Specification and technical data SEN00515-00
Specification and technical data 2
Specification drawings 2
Specifications 3
Weight table 6
Fuel, coolant, and lubricants 7
10 Structure, function, and maintenance standard
Engine and cooling system SEN00517-00
Engine and cooling system 2
Radiator, oil cooler, after cooler 2
Output shaft 3
Power train system, Part 1 SEN00518-00
Power train system, Part 1 2
Power train skeleton 2
Drive shaft 6
Torque converter and transmission hydraulic piping 8
Torque converter 10
Transmission 16
Transmission control valve 35
ECMV 36
Main relief, torque converter relief valve 43
Power train system, Part 2 SEN00519-00
Power train system, Part 2 2
Axle 2
Komatsu HM400-2 ARTICULATED DUMP TRUCK SERVICE REPAIR Manual