Komatsu PC270LC-6LE Excavator Service Manual

Komatsu PC270LC-6LE Excavator Service Manual

$34.00

Service Repair Manual of 731 Pages for Komatsu Excavator PC270LC-6LE

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Description

Komatsu PC270LC-6LE Excavator Service Manual

Manual for Komatsu Excavator PC270LC-6LE
Language: English
Publication: CEBD003001
Format: PDF

Komatsu PC270LC-6LE Excavator Service Manual consist of 731 Pages

The Manual is divided into major sections covering various components of the machine.

Table of Content of the Komatsu Excavator PC270LC-6LE Manual:

10. STRUCTURE AND FUNCTION……………………………………………………………………. 10-1
20. TESTING AND ADJUSTING ……………………………………………………………………….. 20-1
30. DISASSEMBLY AND ASSEMBLY ………………………………………………………………. 30-1
90. OTHER………………………………………………………………………………………………………. 90-1

GENERAL
This section lists the general machine dimensions, performance specifications, component weights, and fuel, coolant and lubricant specification charts.

STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
This section explains the structure and function of each component. It serves not only to give an understanding of the structure, but also serves as reference material for troubleshooting.


TESTING, ADJUSTING AND TROUBLESHOOTING
This section explains checks to be made before and after performing repairs, as well as adjustments to be made at completion of the checks and repairs. Troubleshooting charts correlating Problems to Causes are also mention in this section.


DISASSEMBLY AND ASSEMBLY
KOMATSU Excavator PC270LC-6LE

This section explains the order to be followed when removing, installing, disassembling or assembling each component, as well as precautions to be taken for these operations.

Function
When traveling, the pump control is carried out, and the travel speed can be selected manually or automatically to give a travel performance that suits the nature of the work or the job site.

Pump control function when traveling
If the travel is operated in any working mode other th an the heavy-duty operation (H/O) mode, the pump absorption torque increases with the working mode and engine speed kept unchanged.
For details, see Pump and engine mutual control system.

Travel speed selection function
Manual selection using the travel speed switch. If the travel speed switch is set to Lo, Mi, or Hi, the pum p controller controls the pump flow and motor volume
at each speed range to switch the travel speed

 

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