Komatsu D155A-6 User Manual

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MAINTENANCE
PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS
NO. Safety critical parts for periodic replacement Q'ty Replacement interval
21 Hose between PPC divider block and work equipment lock valve 2
Every 2 years or 4000
hours, whichever
comes sooner
22 Hose between the oil cooler bypass valve and hydraulic oil cooler 2
23 Hose between self pressure reducing valve and drain relay block 1
24 Hose between main control valve and drain relay block 1
25 Hose between fan motor and hydraulic tank 4
26
Hose between self pressure reducing valve and work equipment lock
valve block
1
27 Hose between work equipment lock valve block and main control valve 2
28 Hose between main control valve and hydraulic tank 1
29 Hose between hydraulic pump and main control valve 2
30
Hose between main control valve and ripper relay block (fixed
multi-shank ripper)
2
31
Hose between main control valve and ripper relay block (variable
multi-shank ripper)
4
32 Hose between oil cooler bypass valve and hydraulic tank 1
33
Hose between ripper relay block and ripper cylinder (fixed multi-shank
ripper)
2
34
Hose between ripper relay block and ripper cylinder (variable
multi-shank ripper)
4
35 Hose between main control valve and blade tilt relay cover 4
36 Hose between main control valve and blade relay tube 2
37 Hose between drain relay block and hydraulic tank 1
38 Hose between radiator guard top and lift cylinder 4
39 Hose between fan pump and drain relay block 1
40 Hose between accumulator and work equipment lock valve 2
41 Hose between hydraulic pump and hydraulic pump 1
42 Accumulator (for control circuit) 1
43 Seat belt 1 Every 3 years
44 High-pressure piping clamps 1S
Every 8000 hours
44 Fuel spray prevention cap 1S
4 - 17

Komatsu D155A-6 Specifications

General

Brand	Komatsu
Model	D155A-6
Category	Construction Equipment
Language	English