Change Parking Brake Gear Oil - Hitachi ZW 550-6 Operator's Manual

Change Parking Brake Gear Oil

--- every 2000 hours
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WARNING: Be cautious about the following items.
 Starting repair work immediately after operation
may cause burns. Wait for oil temperature to
lower.
 Lock the front and rear chassis with the
articulation stopper (lock bar).
IMPORTANT: Do not use parking brake gear oils other
than those listed in the "Kind of Oils" - "Axle Oil".
1. Park the machine following the same procedures as
described on page 7-6 for preparation of inspection/
maintenance work.
f
NOTE: Adjust so that the "TOP" mark on the planetary
gear housing comes top. See the illustration on the next
page.
2. Install articulation stopper to the front and rear of
the chassis by following the procedures described on
page 7-8.
3. Clean the vicinity around plugs (1, 2, 3) and the oil
drain plug holes.
4. Arrange a container of 3 liters (0.8 gallons) capacity to
receive the drain oil.
5. Remove drain plug (1) to drain the oil.
6. Remove oil filling port plug (2) and oil level check
port plug (3).
7. Securely tighten drain plug (1).
8. Refill the recommended oil through oil filling port (2)
until the oil comes out of oil level check port (3).
Parking Brake: 3 liters (0.8 gallons)
9. Install and tighten port plugs (2, 3).
MAINTENANCE
7-91
2
3
1
115Z7-7-91-2