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K1034080E Shop Manual
Copyright 2007 

DOOSAN

DOOSAN

 reserves the right to improve our products in a continuing process to provide the best possible

product to the market place. These improvements can be implemented at any time with no obligation to
change materials on previously sold products. It is recommended that consumers periodically contact their
distributors for recent documentation on purchased equipment.

This documentation may include attachments and optional equipment that is not available in your
machine's package. Please call your distributor for additional items that you may require.

Illustrations used throughout this manual are used only as a representation of the actual piece of
equipment, and may vary from the actual item.

Shop Manual

K1034080E

Serial Number 5001 and Up

DX140LC

Summary of Contents for Doosan DX140LC

Page 1: ...recommended that consumers periodically contact their distributors for recent documentation on purchased equipment This documentation may include attachments and optional equipment that is not availab...

Page 2: ...00813 Upper Structure Cabin SP000943 Counterweight SP000940 Fuel Tank SP001320 Fuel Transfer Pump SP000021 Swing Bearing SP000022 Swing Reduction Gear SP000921 Lower Structure and Chassis Track Assemb...

Page 3: ...e Control Valve Work Lever Joystick SP000069 Travel Control Valve with Damper SP000070 Solenoid Valve Assembly SP000445 Breaker EPPR Valve Opt SP000192 Hydraulic Schematic DX140LC SP001330 Electrical...

Page 4: ...SP000014 Page 1 Track Excavator Safety SP000014 TRACK EXCAVATOR SAFETYSP000014 Track Excavator Safety Edition 1...

Page 5: ...d in the front of this manual or those contained within this section Always use tools and equipment that are in good working order Use lifting and hoisting equipment capable of safely handling load Re...

Page 6: ...e 1 12 4 Unauthorized Modifications on page 1 13 5 General Hazard Information on page 1 13 6 Before Starting Engine on page 1 23 7 Machine Operation on page 1 27 8 Maintenance on page 1 34 9 Battery o...

Page 7: ...ions given in this manual apply only to intended uses of the machine If you use your machine for any unintended uses that are not specifically prohibited you must be sure that it is safe for any other...

Page 8: ...for personal injury or accidents Always observe safety precautions and follow recommended procedures CAUTION This word is used on safety messages and safety labels and indicates potential of a hazardo...

Page 9: ...ce Therefore the safety messages in this manual and on the machine may not include all possible safety precautions If any procedures or actions not specifically recommended or allowed in this manual a...

Page 10: ...SP000921 Page 1 Swing Reduction Gear SP000921 SWING REDUCTION GEARSP000921 Swing Reduction Gear Edition 1...

Page 11: ...n gears and two stage output reduction The planetary gear engages the ring gear The pinion gear is connected to the output shaft and spline The final drive reduces swing motor rpm to increase swing mo...

Page 12: ...SP000921 Swing Reduction Gear Page 8 REASSEMBLY Parts List 2 6 5 4 1 27 17 7 8 10 20 26 19 29 25 23 22 22 21 18 14 12 12 12 12 13 13 11 15 9 28 24 24 3 16 FG005349 Figure 1...

Page 13: ...ear 1 8 Carrier 2 9 Carrier 1 10 Pin Assembly 11 Pin Assembly 12 Adjustment Washer 13 Adjustment Washer 14 Level Bar 15 Level Gauge Piping 16 Pin 17 Roller Bearing 18 Roller Bearing 19 Socket Bolt 20...

Page 14: ...shing of shaft Remove fluids like anticorrosive fluid applied to the shaft and use an air conditioner to remove foreign substances 2 Insert the support plate and the NILOS ring into the prepared shaft...

Page 15: ...it with both hands and insert it into the shaft evenly To do so slowly insert bearing 4 5 mm that it seats itself and then push it strongly to contact the NILOS ring 4 After assembling the bearing let...

Page 16: ...Download the full PDF manual instantly Our customer service e mail aservicemanualpdf yahoo com...

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