Skyjack SJ519 TH, Service Manual, Page: 91 / 108

91
SJ519 TH 216942AC
1000 Hour or Annual Routine Maintenance Section 4 – Procedures
NOTE
Refer to 2.4 Recommended Fluids/Lubrications
for hydraulic oil specifications and tank capacity.
11. Refill the hydraulic tank with new oil from
unopened container.
12. Check for leakage.
13. Install cover plate and tank filler breather.
14. Clean up any oil that may have spilled during this
procedure.
15. Check hydraulic oil level. (They hydraulic oil level
should be at or slightly above the top mark on the
sight gage)
16. Start engine and work hydraulic functions.
17. Check hydraulic oil level again through the sight
gauge. Add additional oil as required.
5.5-3 Change Axle Differential Oil
Each axle assembly requires gear lubricant
independent of the planetary assemblies.
WARNING
Hot oil or components can burn. Oil must be at
normal operating temperature when draining.
Avoid contact with hot oil or components. Do not
allow oil to drain into the ground.
1. Ensure that the axle differential oil is at normal
operating temperature.
2. Park the machine on a firm level surface, apply
parking brake, shut off the machine, and allow it
to sit for two minutes.
3. Place a container capable of holding
approximately 10 quarts (9.5 liters) under axle
drain plugs.
4. Clean the areas around the three (3) drain plugs
and level/fill plug, and remove the level/fill plug.
Level/Fill
Plug
Oil Drain
Plug
Figure 31 Axle Plugs
5. Remove all three (3) drain plugs and drain the
oil from the differential. Dispose of used oil in
accordance with local regulations.
NOTE
Refer to your local/national regulations on how to
dispose of used oil.
6. Wipe off the magnetic drain plugs with a clean rag
and install them in the axle.
7. Slowly fill the axle with 7 quarts (6.6 liters) of
gear oil until oil begins to overflow from the level/
fill hole. Refer to
2.4 Recommended Fluids/
Lubrications for axle differential oil specifications.
8. Clean and replace the level fill plug.
9. Repeat procedure for the second axle
5.5-4 Change Axle Planetary Oil
Each axle assembly requires planetary gear lubricant
independent of the differential assemblies.
1. Ensure that the axle planetary oil is at operating
temperature.
2. Park the telehandler on a firm level surface with
the level/fill/drain plug at the 6 o’clock position.
3. Shut down the engine, apply parking brake, and
allow it to sit for a minimum of two minutes.