Komatsu PW160-7H Operation & Maintenance Manual page 300

SERVICE PROCEDURE
CLEAN THE STRAINER OF THE BRAKE FILTER
After the motor is switched off, the parts and oil is very
●
hot and can cause serious burns. Let it cool down before
you start working.
q Press the brake pedal approx. 15 times to reduce the
brake pressure in the brake accumulators.
1. Press the brake pedal approx. 15 times to reduce the brake
pressure in the brake accumulators.
2. Remove hydraulic tank oil filler cap, turn the cap slowly to
release the internal pressure, then remove it carefully.
3. Remove the undercover located below the radiator.
4. Place a container under the brake filter.
5. Remove hose (1) and flange (2).
6. Remove strainer (3) from housing (4) and clean with diesel
fuel.
7. Refit strainer (3) into housing (4). Ensure side with o-ring
faces forward.
8. Refit flange (2) and hose (1).
9. Wipe off excess oil that may have leaked out.
10. Start engine and run until the brake accumulator is charged.
Switch off engine.
11. Check level of hydraulic oil. Refill if required.
12. Bleed hydraulic system and replace hydraulic tank oil filler
cap.
13. Replace undercover.
300
WARNING
MAINTENANCE
PW160-7H VEAM390100