JLG 600SC_660SJC Operator Manual - Manual (Page 30)

SECTION 2 - PREPARATION AND INSPECTION
2-16 – JLG Lift – 3120897
2.8 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.