LeeBoy 8608 - Change Hydraulic Oil and Filters

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Maintenance
LeeBoy 8608 Commercial Paver 5-25
Change Hydraulic Oil and FiltersChange Hydraulic Oil and Filters
Changing the hydraulic oil removes the accumulation
of dirt, water and mechanical wear particles from the
hydraulic oil system. Clean, ltered oil is critical to
optimize hydraulic system operation. The hydraulic oil
system holds approximately 25 gallons.
NOTE: DO NOT use unltered hydraulic oil.
Contaminated hydraulic oil can
shorten the expected service life of components in
the hydraulic system.
DO NOT drain the hydraulic oil when it
is hot. Hot hydraulic oil can cause serious personal
injury.
Protect your eyes by wearing
safety glasses when working on hydraulic system
components.
DO NOT overll the hydraulic oil
reservoir.
DO NOT ll the hydraulic oil reservoir
with new hydraulic oil until the strainer inside the ll
cap has been serviced.
Stop the engine immediately if any
hydraulic leak is noted. DO NOT start the engine until
any problem noted has been corrected.
Leeboy uses a leak-detection dye that
may turn the hydraulic oil a slight yellow tint.
Use the following procedures to change the hydraulic oil
and hydraulic charge and hydraulic tank return lters:
• The hydraulic charge lter is located in the center of
the frame, and is most easily accessed by raising the
hood. (Figure 5-20)
Hydraulic
Charge
Filter
Figure 5-20. Hydraulic Charge Filter
• The hydraulic tank return lter is mounted on the back
of the hydraulic tank. (Figure 5-21)
Hydraulic
Tank
Return
Filter
Figure 5-21. Hydraulic Tank Return Filter
1. Stop the engine.
2. Allow the hydraulic oil to cool until it is at a warm
temperature.
3. Slowly remove the hydraulic oil strainer ll cap. Do
not remove the strainer portion under the cap.
4. Place a clean, lint-free cloth over the reservoir ll
tube opening and secure in place with tape.
5. Place a container sufcient to hold the hydraulic oil
as it drains from the drain hose by the access panel
on the right side of machine (close enough for the
drain hose to reach).
6. Carefully remove the plugs from the hydraulic drain
hose and open the valve over the container.
7. Allow all the hydraulic oil to drain from the hydraulic
tank into the container.
8. Reinstall the hydraulic oil drain plug on the drain
hose and tighten securely. Close valve.
9. Change the hydraulic oil lter by turning lter coun-
terclockwise, then replace with new lter turning
clockwise until snug (by hand only).
10. Carefully remove the cloth from the hydraulic oil
reservoir ll tube opening.
11. Remove the strainer. Replace if necessary.
12. Fill the hydraulic oil tank with 25 gallons of ltered
hydraulic oil.
13. Reinstall the hydraulic oil strainer ller cap and
tighten the three wing nuts securely.
14. Start the engine and check the hydraulic system for
possible leaks.