78 50950260/AP1216
Hydraulic System
Checking Hydraulic Oil Level
The loader has a dipstick located in the
engine compartment. Check the fluid
level with the lift arm lowered and the
attachment on the ground.
When hydraulic fluid is required, allow
the system to cool. Slowly remove the oil
fill cap, allowing the pressure to dispel
before removing the cap completely.
Add hydraulic fluid as required. Refer to
the Lubrication topic (page 65) for oil
recommendations. Replace the cap.
Changing Hydraulic Oil Filter
Before servicing the hydraulic filter, be sure the
lift arm is lowered.
1. Open the rear door and engine cover
to access the filter. Unscrew the filter.
2. Clean the surface of the filter housing
where the element seal contacts the
housing. Put clean oil on the rubber
gasket of the new filter element.
3. Install and tighten the filter element
3/4 of a turn past the point where the
gasket contacts the filter head.
4. For a replacement element, refer to the
Replacement Parts topic (page 63).
Changing Hydraulic Oil
The hydraulic oil must be replaced if it becomes contaminated, after major
repairs, and after 1000 hours or one year of use.
1. Remove the oil filler cap.
2. Install a catch pan of sufficient capacity under the oil reservoir (8 gallons
[30 liters])
3. Remove the drain plug located on the bottom left of the oil reservoir.
4. Remove and replace the hydraulic oil filter.
5. Reinstall the drain plug.
6. Refill the reservoir until the oil is between the two lines on the dipstick gauge.
7. Start the engine and operate the hydraulic controls.
8. Stop the engine and check for leaks at the filter and reservoir drain plug.
9. Check the fluid level and add fluid if needed.
Figure 14 Hydraulic Oil Service
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