Replace Pilot Oil Filter Element - Hitachi ZAXIS 30U-5N Operator's Manual

Replace Pilot Oil Filter Element

--- every 1000 hours
d
CAUTION: Hydraulic oil becomes hot and pressurized
during operation. Severe burns may result if
skin comes in contact with escaping hydraulic oil
immediately after operation. Wait for the oil to cool
before starting any maintenance work.
1. Park the machine following the same procedures as
described on page 7-6 for preparation for inspection and
maintenance.
2. Before replacing the element, be sure to bleed air
pressure from the hydraulic oil tank by loosening cap (1).
3. Remove bolts (3) and under cover (2) of rear left side.
Wrench size:
MAINTENANCE
17 mm
1
7-43
M1M7-05-024
MADB-00-018
MADB-07-018
2
3
MADB-07-019