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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
immediately 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 pressing the air
bleed valve on the hydraulic oil tank.
3. Rotate cover (2) clockwise approx. 1/4 turns. Remove cap
(1) by rotating it counterclockwise.
4. Rotate 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 the cover 1/4 turn.
6. Securely tighten cap (1) clockwise by hand. While
holding cap (1) by hand so that cap (1) does not rotate,
securely tighten cover (2) by rotating 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.
MAINTENANCE
1
2
3
4
7-45
M104-07-021
MDCN-07-022
M1G6-07-001
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