Komatsu PW160-7H Operation & Maintenance Manual page 298

SERVICE PROCEDURE MAINTENANCE
CHANGE OIL IN DAMPER
1
2
3
1. Remove plugs (1),(2),(3) and allow oil to drain out.
2. Replace plug (3).
3. Add oil (approx. 0.75 l) in position (1) until oil emerges from
plug (2) hole.
4. Replace plug (1) and (2).
The oil must be replaced after thousand hours.
298 PW160-7H VEAM390100