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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.
Remove hydro cap and temporarily cover
opening with a plastic bag and rubber band to
prevent all hydro fluid from draining out.
A. Place drain pan under filter, remove the old
filter and wipe the filter adapter gasket
surface clean (Fig. 37).
Figure 37
1. Hydraulic filter
3.
Apply a thin coat hydro fluid to the rubber
gasket on the replacement filter (Fig. 38).
4.
Install replacement hydraulic filter onto the filter
adapter. Do not tighten.
5.
Remove plastic bag from tank opening and allow
filter to fill with hydro fluid.
6.
When fluid overflows filter turn the oil filter
clockwise until the rubber gasket contacts the
filter adapter, then tighten the filter an additional
1/2 turn (Fig. 38).
1. Hydraulic filter
2. Gasket
7.
Clean up any spilled fluid.
8.
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 49.
9.
Check fluid level in hydraulic tank and add to
raise level to the top of baffle. DO NOT OVER
FILL.
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.
m–4117
1.
Raise rear of the machine so wheels are off the
ground and support with jack stands.
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 proper level.
5.
Repeat procedure on opposite wheel.
Maintenance
1
Figure 38
3. Adapter
3
2
m–1256
49
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