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6-7-06 - Fifth Proof
4-10
Routine Service and Maintenance
3. Change the hydraulic filter. See Service Manual and Figure 4–13.
a. Remove the three bolts (Item 1, Figure 4–13) holding the filter cover (Item 2, Figure 4–13)
in place.
NOTE: Press downwards on filter cover to relieve the upwards pressure from the spring.
b. Remove the filter cover and spring (Item 3, Figure 4–13).
c. Remove the filter element (Item 4, Figure 4–13) and replace with a new filter element.
d. Inspect the filter cover O-ring (Item 5, Figure 4–13) for any signs of wear or damage.
Replace as needed.
e. Reinstall spring and filter cover.
NOTE: Make sure that the O-ring is properly seated in the filter cover.
f. Start and run the engine for about 30 seconds.
Using the hydraulic oil level dip stick (Item 7, Figure 4–13), check the hydraulic oil level. Add
the appropriate hydraulic fluid as needed.
Figure 4–13 Hydraulic Oil Filter Assembly
4. Check for proper track tension (if equipped).
a. Raise the machine off the ground and support it using a device capable of safely support-
ing 3000 lbs. See Figure 4–14 for suggested location of the support devices.
b. Tilt the bucket downwards until the cutting edge is touching the ground. See Figure 4–14.
c. Lower the loader arm assembly, pushing the front of the machine upwards. Continue
raising the machine until the rear drive sprocket is off the ground. Shut off the engine.
d. Measure the gap between the bottom of the center bogey guide roller (Item 1, Figure 4–14)
and the track. The proper tension will be about a 3/8" - 1/2" deflection.
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