Changing the High-pressure Hydraulic
Filter
Service Interval:
Every 1,000 hours
WARNING
Ensure that the engine is in the Off position before
removing the high-pressure hydraulic filter. The
high-pressure hydraulic filter contains very high
pressure that could cause serious injury, or cause
damage to the machine if released while the engine
is running.
1.
Park the machine on a level surface, stop the engine,
and remove the ignition key.
2.
Open the front hood.
3.
Align a drain pan or several rags under the charge filter
(
Figure 152
1.
High-pressure hydraulic filter
4.
Rotate the high-pressure hydraulic filter
counterclockwise and remove the filter (
5.
Using a clean rag, wipe clean the surface where the
high-pressure hydraulic filter seats with a clean rag.
6.
Align the high-pressure hydraulic filter to where it seats,
and rotate it clockwise until the torque reaches 61 N-m
(45 ft-lb) as shown in
.
Changing the Hydraulic-return Filter
Service Interval:
Every 1,000 hours
1.
Park the machine on a level surface, stop the engine,
and remove the ignition key.
2.
Open the rear-access door.
3.
Align a drain pan or several rags under the charge filter
(
Figure 153
Front-side bolts shown
1.
Hydraulic-return filter
2.
Bolts
4.
With one hand under the hydraulic-return filter, remove
the 4 bolts as shown in
.
Note:
There are 2 other bolts on the back side that
need to be removed.
5.
Pull down and remove the filter.
6.
Using a clean rag, wipe clean the surface where the
hydraulic-return filter seats with a clean rag.
7.
Align the new hydraulic return filter to where it seats,
and tighten the 4 bolts (
).
108