Komatsu D475A-5E0 Operation & Maintenance Manual page 261

PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS
NO.
37 Pump merge-divider valve - tank
38 Hose between hydraulic pump - main valve
39 Hose between hydraulic pump - tank
40 Hose between main valve - blade lift divider block
41 Hose between blade lift divider block - relay tube
42 Hose between relay tube - blade lift cylinder
43 Hose between main low valve - blade tilt relay block
44 Hose between fan pump - tank
Hose between fan pump LPV30 - fan pump discharge merge
45
block
46 Hose between fan pump discharge merge block - fan motor
47 Hose between fan motor - tank
48 Hose between fan motor - hydraulic cooler
49 Hydraulic cooler - bypass valve
50 Hose between hydraulic cooler - tank
51 Rubber mount for parking cable bracket (P/L. end)
52 Accumulator (for control circuit)
53 Hose between air cleaner and turbocharger
54 Hose between turbocharger and aftercooler
55 Hose between aftercooler and engine
56 High-pressure piping clamps
57 Fuel spray prevention cap
58 Seat belt
(if equipped)
(Machine of poor fuel arrangement specification)
No. Safety critical parts for periodic replacement
59 Fuel hose (fuel strainer - water separator)
60 Fuel hose (water separator - fuel prefilter)
4 - 18
Periodic replacement parts
Q'ty
Replacement interval
Single Dual
- 1
6 6
1 1
4 4
2 2
2 2
2 4
2 2
Every 2 years or
1 1
every 4000 hours,
2 2
whichever comes
3 3
2 2
1 1
2 2
2 2
1 1
2 2
4 4
4 4
1set 1set
Every 8000 hours
1set 1set
Every 3 years after
beginning to use or
5 years after
1 1
manufacturing of
seat belt,whichever
comes sooner
Q'ty
Replacement
Single Dual
2 2
Every 2 years or
2 2
4000 hours,
whichever comes
MAINTENANCE
sooner
interval
sooner