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MAINTENANCE
Change the Retum Filter
* Hot oll and components can cause personal
injury. Do not amow hot oil or components to
contact the skin.
* At operating temperature, the hydraulic tank is
hot and can be under pressure,
* To relieve the pressure from the hydraulic tank,
loosen the oil fill plug
c
on the hydraulic tank.
* Remove the retum filter
e
onbl after the engine
has been slopped and the retum filter ls cool
enough to touch with your bare hand.
1. Lower the bucket on the ground and stop the englne.
2. Relieve the internal pressure from the hydraulic tank
by loosening oil fill plug
c
.
3. Clean the areato keep dirt out ofthe fIKer base
d
.
4. Remove the used finer
e
by finer wrench. Clean
the fiPter base
d
.
NOTE: This is a cartridge type element. It cannot be
reused.
5. Coat the gasket
f
of new finer with clean hydraulic
oil.
6. Install the new finer
e
by hand. When the seal
contacts the base. tighten an additfonal 3/4 turn
by filter wrench.
7. Start and run the engine to fill the fiPter. Stop the
engine. Maintain the oil Ievel between marks on
the level gauge. Add oil if necessary.
8. Pressurize the hydraulic tank. After MTy extending
all the cylinders and loosen oil fm plug
c
to supply
air to the hydraulic tank, tighten the plug again.
9. Start and operate the engin. lnspect for leaks on
the oil filter
e
.
When operation breaker works, replace the retum
filter every 100 hours operation.
Replace this finer in 50 hours for the initial time
only.
CAUTION
500HOURS
➀
Fill plug
Level gauge
H
L
➁
Head
➃
Gasket
➂
Cartridge
o
127
Return filter
Bucket position at the time of
sealing off hydraulic tank.
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