MAINTENANCE
7-74
Replace Air Breather Element
--- every 5000 hours
d
CAUTION: Hydraulic oil becomes hot and pressurized
during operation. Severe burns may result if skin
comes in contact with escaping hydraulic oil just after
operation. Wait for the oil to cool before starting any
maintenance work.
Procedures:
1. Park the machine on solid and level ground with the
bucket cylinder fully extended and the arm cylinder fully
retracted. Lower the bucket on the ground as shown to
the right. Stop the engine.
2. Before replacing element (3), be sure to bleed air
pressure from the hydraulic oil tank by pushing release
button on the hydraulic oil tank.
3. Turn cover (2) clockwise approx. 1/4 turn. Remove cap (1)
by turning it counterclockwise.
4. Turn cover (2) counterclockwise and remove it. Remove
element (3).
5. Install new element (3). Tighten to install cover (2) until
cover (2) comes in contact with element (3). Then,
further tighten cover (2) 1/4 turn.
6. Securely tighten cap (1) clockwise by hand. While
holding cap (1) by hand so that cap (1) does not turn,
securely tighten cover (2) by turning counterclockwise 5
to 10 ° by hand.
7. Take care never to allow water and/or contaminant to
stay between cover (2) and body (4) (air breathing port).
8. Replace element (3) at the regular interval to keep
hydraulic oil clean and to extend the service life of the
hydraulic components.
2
3
4
1
M104-07-021
M1G6-07-001
MDCN-07-022
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