Skyjack SJ519 TH, Service Manual, Page: 90 / 108

90
SJ519 TH 216942AC
Section 4 – Procedures 1000 Hour or Annual Routine Maintenance
5. Apply a light coating of clean oil to the gasket on
the new filter.
6. Install the new filter and turn until the gasket
contacts the filter head.
7. Tighten an additional 1/2 to 3/4 turn by hand to
compress the gasket.
5.5-2 Change Hydraulic Oil and Clean
Hydraulic Tank
NOTE
Dirt in the hydraulic system will lead to premature
component failure. A clean, contaminant-free
system is extremely important to the telehandler’s
proper function. Take extra care when working
around or on the hydraulic system to ensure its
complete cleanliness.
1. Park telehandler on a firm level surface.
2. Fully retract and lower the boom to the stowed
position.
3. Apply parking brake and shutdown the engine.
4. Place a container under the hydraulic oil tank
capable of holding approximately 45 gallons (170
Litres).
5. Remove hydraulic tank drain plug from under
hydraulic oil tank and allow all hydraulic oil to
drain into container.
Drain
Plug
Figure 29 Hydraulic Tank Drain Plug
NOTE
Refer to your local/national regulations on how to
dispose of used hydraulic oil.
6. Remove tank filler breather and set aside.
7. Remove 12 screws holding the access cover plate
from top of tank.
8. Remove rubber gaskets under the access cover
plates and set aside.
Remove Tank Plates
Remove
Gaskets
Figure 30
Tank Hose Removal
9. Clean the tank with a lint-free cloth or a similar
shop rag ensuring all dirt and dust particles are
removed.
NOTE
Follow shop practice standards for flushing and
cleaning of hydraulic oil tank.
10. Install drain plug back into tank. Replace O-ring
seal if needed.