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Fuel Filter
The fuel filter removes contaminants from the fuel as it
enters the engine for combustion. Over time the filter
can become plugged and cause the engine to lose
power, run roughly or fail to start. The fuel filter should
be changed every 500 hours or more often if needed
to prevent these conditions from occurring.
To change the fuel filter:
1. Clean the outside of the filter housing (A) thor-
oughly to reduce the chances of contaminants
being introduced into the fuel system.
2. Twist the housing counter clockwise (when viewed
from the bottom) and remove it from the fuel pump
(B).
3. Then remove the filter element (C) from the hous-
ing by holding the housing firmly in one hand and
pushing down on the filter element while turning it
counter clockwise within the housing. Turn approx-
imately 90º and then remove the filter from the
housing. (fig. 11-30)
4. Once removal is complete, insert a new filter ele-
ment into the housing. Press down on the element
and turn it clockwise approximately 90º to seat it.
5. Reinstall the filter/housing assembly onto the filter
head by threading it onto the head until the hous-
ing shoulder contacts the head. Then turn ¼ turn
(90º) past this point to seat the housing.
Case Drain Filter
The PT-100 Forestry is also equipped with a filter in
the auxiliary circuit case drain line. It protects the main
hydraulic system in the event of catastrophic failure in
an attachment. This filter is designed to last the life of
the vehicle unless running high flow attachments.
Change this filter every 250 hours of operation if using
high flow attachments (ex: brushcutter). (fig. 11-31)
Hydraulic Reservoir (cleaning)
If a pump failure occurs, it is necessary to clean/flush
the hydraulic reservoir, hoses, tubes and hydraulic
lines to remove any debris present in the hydraulic
system. The 50 micron inlet screen should also be
removed, and thoroughly cleaned with parts cleaning
solution, then allowed to dry thoroughly prior to rein-
stallation. (fig. 11-32, 11-33)
C
A
11-30
11-31
11-32
11-33
11-15
Compact Track Loader
11. Maintenance
B
Inlet Screen
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