Komatsu Galeo PC800-8 Shop Manual page 378

SEN00912-02
Adjusting
a Carry out troubleshooting for "H-16 Machine
deviates by itself during travel" to find out the
causal part in advance.
a Adjust the deviation with the motor idle running.
a If the main pump is adjusted for measures,
adjust the servo piston.
a Increase and decrease the maximum delivery
amount of the pump.
1. Fix adjustment screw (1) and loosen locknut (2).
2. Adjust the maximum delivery amount by turning
adjustment screw (1).
a If the adjustment screw:
• is turned clockwise, the delivery is de-
creased (The travel speed is decreased)
• is turned counterclockwise, the delivery
is increased (The travel speed is in-
creased)
a Amount adjusted by 45° angle turn of the ad-
justment screw: 4.9 cm
the pump delivery amount)
a Criterion delivery amount of the pump when
shipped (For reference): 280 ± 2 cm
3. Fix adjustment screw (1) and tighten locknut (2).
3 Locknut: 539 – 647 Nm {55 – 66 kgm}
12
3 /rev (equivalent to
3
/rev
30 Testing and adjusting
PC800, 850-8