Adjusting Play Of Work Equipment And Swing Ppc Valves - Komatsu PC200-8M0 Shop Manual

101 Testing and adjusting, Part 1

Adjusting play of work equipment and swing PPC valves

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.
a The play of the lever terminal must be 0.5 – 3
mm at a position of 200 mm from the center of
lever rotation.
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).
a Do not move the piston at this time.
4. Fix disc (3) and tighten locknut (2) to the speci-
fied torque.
3
Locknut: 69 to 88 Nm {7 to 9 kgm}
5. Install bellows (1).
6. Install the work equipment and swing PPC
valve assembly.
PC200, 200LC, 220, 220LC-8M0
1
SEN06127-00
51
30-101