WP1624
Firewood Processor
Service and Maintenance
55
8.4.2 Hydraulic Return Oil Filter –
Changing
The hydraulic return filter is located on top of the hydraulic oil
tank.
A bypass indicator gauge is located above the engine controls
on the side panel. If the gauge indicates the filter is bypassing,
the filter is clogged and must be changed at the time the oil is
changed.
01439
Fig. 83 – Return Filter Bypass Indicator Gauge
Procedure
1. Remove the cover over the hydraulic tank.
Fig. 84 – Hydraulic Oil Reservoir Cover
2. Have a drain pan ready to catch any dripping oil.
00322
1
2
Fig. 85 – Hydraulic Oil Filter Element
1. Oil Filter Cover
2. Hydraulic Oil Return Filter Element
3. Remove the three screws on the filter cover and pull the
cover off.
4. Remove the filter element and clean the bottom of the bowl.
5. Check that the O-rings are not damaged. If they are, replace
them.
6. Install the new filter element.
7. Install the cover and tighten the screws to 44 lbf•in
(5 N•m).
8. Fill the tank with clean oil. The oil is at the proper level is
when it fills the top half of the glass window.
01059
Fig. 86 – Oil Level Sight Glass
9. Reinstall the tank filler cap.
Remove air from the hydraulic circuit by holding
the saw control valve lever forward in the RAISE
position to cycle oil back to the reservoir.
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