Clean Axle Oil Cooler Fins (Option) - Hitachi ZW 550-6 Operator's Manual

Clean Axle Oil Cooler Fins (Option)

--- as required
1. Park the machine following the same procedures as
described on page 7-6 for preparation of inspection/
maintenance work. Stop the engine.
IMPORTANT: High pressure air or water may damage
oil cooler fins.
When used for cleaning purposes, the pressure of
compressed air should be at 196 kPa (28 psi) or less.
When using high-pressure water, keep the nozzle
a distance of at least 500 mm (20 in) away from the
core surface, applying the water jet perpendicular
to the core.
Move nozzle from side to side; not up and down.
2. Blow off mud, dirt, or clogging debris from the axle
oil cooler (1) fins with compressed air. Use a pressure
washer to remove harder debris.
3. Reverse the direction to flush all debris from the oil
cooler fins.
MAINTENANCE
7-40
1
115Z7B-7-38-2