Komatsu PC290LC-6K Operation & Maintenance Manual page 170

Hydraulic excavator
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22. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS
SAFETY CRITICAL PARTS
Nr.
No.
Safety critical parts for periodic replacement
1
Fuel hose (fuel tank - sedimenter)
2
Fuel hose (sedimenter - lift pump)
3
Spill hose (engine - tank)
4
Pump outlet hose (Pump to control valve)
5
Turbocharger lubriciating hose
6
Work equipment hose (arm cylinder line - Boom Foot Sec'n)
7
Work Equipment hose (arm cylinder inlet)
3-24
3
2
1
Q'ty
2
1
5
2
1
2
2
3
1
Replacement interval
Every 2 years or
4000 hours, which
ever comes sooner

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