Adjusting Play Of Work Equipment And Swing Ppc Valves - Komatsu Galeo PC138US-8 Shop Manual

30 Testing and adjusting
Adjusting play of work equipment
and swing PPC valves
a If the right and left work equipment levers have
large play, adjust them according to the follow-
ing procedure.
1. Remove the work equipment and swing PPC
valve assembly.
2. Remove bellows (1).
3. Loosen locknut (2) and tighten disc (3) until it
touches the heads of 4 pistons (4).
4. Fix disc (3) and tighten locknut (2) to the speci-
fied torque.
3
Locknut:
93.1 – 112.7 Nm {9.5 – 11.5 kgm}
5. Install bellows (1).
6. Install the work equipment and swing PPC
valve assembly.
PC138US, USLC-8
1
SEN02458-01
41