Replace Axle Oil Cooler Line Filter (Option) - Hitachi ZW 550-6 Operator's Manual

Replace Axle Oil Cooler Line Filter (Option)

--- every 500 hours
d
WARNING: Be cautious about the following items.
 Starting repair work immediately after operation
may cause burns. Wait for oil temperature to
lower.
 Lower the attachment to the ground.
 Put the transmission shift lever in neutral. Apply
parking brake. Place "DO NOT OPERATE" tag on
steering wheel or steering lever (option).
1. Park the machine following the same procedures as
described on page 7-6 for preparation of inspection/
maintenance work. Stop the engine.
2. Remove the cover, if necessary, and line filters (2) for
axle oil cooler (1).
Using a filter wrench, turn the oil filter cartridge
counterclockwise to remove it. Properly dispose of
them.
3. Clean the oil filter head gasket surface.
4. Fill the new filter cartridges with clean axle oil.
5. Apply a light film of gear oil to the gasket surface of
the new filter cartridge.
6. Install and tighten the filter clockwise by hand until
the gasket contacts filter head surface. Then tighten
it an additional three-fourths to one turn using a filter
wrench. Do not overtighten it.
7. Replace another filter (2) in the same manner.
IMPORTANT: Be sure to replace two oil filters (2) at the
same time.
8. Idle the engine for 5 minutes to inspect for leaks at
the filter.
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NOTE: Refer to the instructions supplied with the filter.
9. Check the oil level.
MAINTENANCE
7-39
1
115Z7B-7-38-2
115Z7B-7-38-1
2