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Maintenance
Replacing the Hydraulic Filter
Change the hydraulic filter:
After the first 8 operating hours.
After every 200 operating hours.
1.
Position machine on a level surface, stop the
engine, and remove key from ignition switch.
IMPORTANT: Do not substitute automotive
oil filter or severe hydraulic system damage
may result.
2.
Place drain pan under filter, remove the old filter
and wipe the filter adapter gasket surface
(Fig. 28).
Note:
Make sure fluid is completely drained
before installing new filter.
Figure 28
1. Hydraulic filter
3.
Apply a thin coat of new oil to the rubber gasket
on the replacement filter (Fig. 29).
4.
Install replacement hydraulic filter onto the filter
adapter. Turn the oil filter clockwise until the
rubber gasket contacts the filter adapter, then
tighten the filter an additional 1/2 turn (Fig. 29).
5.
Start engine and let run for about two minutes to
purge air from the system. Stop the engine and
check for leaks. If one or both wheels will not
drive, refer Bleeding Hydraulic System, page 32.
32
6.
Check fluid level in hydraulic tank and add to
raise level to FULL mark on dipstick. Do not
overfill.
1. Hydraulic filter
2. Gasket
Bleeding Hydraulic System
1
The traction system is self bleeding, however, it may
be necessary to bleed the system if fluid is changed or
after work is performed on the system.
1.
Raise the rear of machine until wheels are off the
floor and support with jack stands.
m–2623
2.
Start the engine and run at idle speed. Engage
traction on one side and spin the wheel by hand.
3.
When the wheel begins to spin on its own, keep
it engaged until wheel drives smoothly.
(minimum 2 minute)
4.
Check hydraulic fluid level as it drops and add
as required to maintain level.
5.
Repeat procedure on opposite wheel.
1
Figure 29
3. Adapter
3
2
m–1256
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