Komatsu WA500-6H Operation & Maintenance Manual page 276

4.6 Periodic replacement of safety critical parts
Torque list
No. Safety critical parts for periodic replacement
1 Fuel hose (fuel tank - fuel pre-filter)
2 Fuel hose (Fuel pre-filter - hand pump)
3 Fuel hose (feed pump - controller cooling)
4 Fuel hose (controller cooling - fuel filter)
5 Fuel hose (fuel injection pump return)
6 Fuel hose (fuel spill return)
7 Steering hose (pump - steering valve)
8 Steering hose (steering valve -joint)
9 Steering hose (joint - steering cylinder)
10 Steering hose (steering valve - stop valve)
11 Steering hose (orbitrol valve - stop valve
12 Steering hose (orbitrol valve - charge valve)
13 Steering hose (orbitrol valve - joint to tnak)
14 Brake hose (pump - accumulator charge valve)
15 Brake hose (accumulator charge valve - accumulator)
16 Brake hose (accumulator - brake valve)
17 Brake hose (brake valve - front brake)
18 Brake hose (brake valve - rear brake)
19 Brake hose (brake valve - hydraulic tank)
Brake hose
20
(brake accumulator - reduction valve for emergencyb parking brake cancel)
21 Brake hose (transmission valve - reduction valve)
22 Brake hose (reduction valve - parking brake chamber)
23 Brake hose (reduction valve - charge valve drain)
24 High-pressure piping clamp
25 Fuel spray prevention cap
4-22
Maintenance
Replacement
Q'ty
interval
1
1
1
1
1
1
1
2
4
2
2
Every
1 2 years or
every 4000
1
hours
2
2
4
3
4
1
1
1
1
1
15
Every 8000
hours
16
WA500-6H – VEAM430100