JLG 600SC_660SJC Service Manual - Manual (Page 162)

SECTION 6 - UNDERCARRIAGE
6-58 – JLG Lift – 3120898
5. Fill the final drive to the bottom of the opening on
level plug (3). See Operation and Maintenance Man-
ual, "Lubricant Viscosities" and Operation and Main-
tenance Manual, "Refill Capacities".
NOTE: Plug (2) may also be used to fill the final drive with oil
in case the opening under level plug (3) is obstructed
by a gear.
6. Install level plug (3).
7. Perform Step 1 to Step 6 on the other final drive. Use
a different container for the oil so that the oil sam-
ples from the final drives will be separate.
8. Completely remove the oil that has spilled onto sur-
faces.
9. Start the engine and allow the final drives to run
through several cycles.
10. Stop the engine. Check the oil level.
11. Check the drained oil for metal chips or for particles.
If there are any chips or particles, consult your JLG
Distributor dealer.
12. Properly dispose of the drained material. Obey local
regulations for the disposal of the material.
Final Drive Oil Level Check
1. Position one final drive so that oil drain plug (1) is at
the bottom.
2. Remove oil level plug (2).
3. Check the oil level. The oil should be near the bot-
tom of the level plug opening.
4. Add oil through the level plug opening, if necessary.
OVERFILLING THE FINAL DRIVE WILL CAUSE THE SEALS ON
THE TRAVEL MOTOR TO ALLOW HYDRAULIC OIL OR WATER TO
ENTER THE FINAL DRIVE. THIS MAY CONTAMINATE THE FINAL
DRIVE.
5. Clean oil level plug (2). Inspect the O-ring seal.
Replace the O-ring seal if the O-ring seal is worn or
damaged.
6. Install oil level plug (2).
7. Repeat the procedure for the other final drive.
6.13 SWIVEL
Removal
NOTE: Care must be taken to ensure that fluids are con-
tained during performance of inspection, mainte-
nance testing, adjusting and repair of the product.
Be prepared to collect the fluid with suitable contain-
ers before opening any compartment or disassem-
bling any component containing fluids.
Dispose of all fluids according to local regulations
and mandates.
AT OPERATING TEMPERATURE THE IMPLEMENT HYDRAULIC
OIL TANK IS HOT AND UNDER PRESSURE. HOT OIL CAN CAUSE
BURNS.
TO PREVENT POSSIBLE INJURY, RELEASE THE PRESSURE IN
THE IMPLEMENT HYDRAULIC SYSTEM BEFORE HYDRAULIC
LINES OR COMPONENTS ARE DISCONNECTED OR REMOVED.
1. Release hydraulic system pressure.