SEN00596-02 D155AX-6 BULLDOZER

INDEX

SEN00598-02 BULLDOZER 1SHOP MANUAL D155AX-6 Machine model Serial number D155AX-6 80001 and up 00 Index and foreword 1 Index Organization list of the shop manual.................................................................................................... 2 Table of contents .................................................................................................................................. 4 D155AX-6 1

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ORGANIZATION LIST OF THE SHOP MANUAL

SEN00598-02 00 Index and foreword Organization list of the 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 accord- ingly.

Section Title Form Number Shop Manual, contents binder, binder label and tabs SEN00596-02 00 Index and foreword SEN00597-02 Index SEN00598-02 q Foreword and general information SEN00599-00 01 Specification SEN00600-00 Specification and technical data SEN00601-00 10 Structure, function and maintenance standard SEN00602-00 Engine and cooling system SEN00603-00 Power train system, Part 1 SEN00604-00 Power train system, Part 2 SEN00605-00 Undercarriage and frame SEN00606-00 Hydraulic system SEN00607-00 Work equipment SEN00608-00 Cab and its attachments SEN00609-00 Electrical system SEN00610-00 20 Standard value table SEN00611-01 Standard service value table SEN00678-01 q 30 Testing and adjusting SEN00612-01 Testing and adjusting, Part 1 SEN00679-01 q Testing and adjusting, Part 2 SEN00680-01 q Testing and adjusting, Part 3 SEN00681-01 q Testing and adjusting, Part 4 SEN00682-01 q 40 Troubleshooting SEN00613-01 General information on troubleshooting SEN00851-00 Troubleshooting by failure and error codes, Part 1 SEN00716-01 q Troubleshooting by failure and error codes, Part 2 SEN00717-01 q Troubleshooting by failure and error codes, Part 3 SEN00718-01 q Troubleshooting by failure and error codes, Part 4 SEN00719-01 q Troubleshooting by failure and error codes, Part 5 SEN00720-01 q Troubleshooting by failure and error codes, Part 6 SEN00721-01 q 2 D155AX-6

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ORGANIZATION LIST OF THE SHOP MANUAL

00 Index and foreword SEN00598-02 Troubleshooting by failure and error codes, Part 7 SEN00722-01 q Troubleshooting by failure and error codes, Part 8 SEN00723-01 q Troubleshooting of electrical system (E-mode) SEN00807-01 q Troubleshooting of hydraulic and mechanical system (H-mode) SEN00808-00 Troubleshooting of engine (S-mode) SEN00852-01 q 50 Disassembly and assembly SEN00614-00 General information on disassembly and assembly SEN01204-00 Q Engine and cooling system SEN01205-00 Q Power train, Part 1 SEN01206-00 Q 90 Diagrams and drawings SEN00615-02 Hydraulic circuit diagram SEN00616-01 q Electrical circuit diagram SEN00617-02 q D155AX-6 3

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TABLE OF CONTENTS

SEN00598-02 00 Index and foreword Table of contents 1 00 Index and foreword Index SEN00598-02 Organization list of the shop manual ....................................................................................... 2 Table of contents...................................................................................................................... 4 Foreword and general information SEN00599-00 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 SEN00601-00 Specification and technical data.................................................................................................. 2 Specification dimension drawings............................................................................................

2 Specifications........................................................................................................................... 3 Weight table............................................................................................................................. 9 Table of fuel, coolant and lubricants ........................................................................................ 12 10 Structure, function and maintenance standard Engine and cooling system SEN00603-00 Engine and cooling system .........................................................................................................

2 Radiator, oil cooler................................................................................................................... 2 Engine mount........................................................................................................................... 5 Cooling fan pump..................................................................................................................... 6 Cooling fan motor ....................................................................................................................

14 Power train system, Part 1 SEN00604-00 Power train system, Part 1 .......................................................................................................... 2 Power train skeleton ................................................................................................................ 2 Overall drawing of power train unit .......................................................................................... 4 Power train hydraulic piping drawing.......................................................................................

6 Damper, universal joint ............................................................................................................ 8 Torque converter, PTO............................................................................................................. 10 Torque converter control valve................................................................................................. 19 Lockup clutch ECMV, stator clutch ECMV............................................................................... 20 Transmission control................................................................................................................

26 Transmission............................................................................................................................ 28 Transmission ECMV ................................................................................................................ 40 Main relief valve and torque converter relief valve .................................................................. 46 Lubrication relief valve............................................................................................................. 48 Scavenging pump....................................................................................................................

49 Power train and steering lubrication pump .............................................................................. 50 Power train system, Part 2 SEN00605-00 Power train system, Part 2 .......................................................................................................... 2 HSS system............................................................................................................................. 2 HSS motor ...............................................................................................................................

4 Hydraulic, HSS pump .............................................................................................................. 14 Hydraulic oil cooler bypass valve............................................................................................. 37 Steering, brake control............................................................................................................. 38 4 D155AX-6

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