JLG 600A_AJ Service Manual - Manual (Page 71)

SECTION 3 - CHASSIS & TURNTABLE
3121201 – JLG Lift – 3-21
3.4 FREE WHEELING OPTION
To Disengage Drive Motors and Brakes (Free
Wheel) for Towing, etc.
1. Chock wheels securely if not on flat level surface.
2. Disconnect both drive hubs by inverting disconnect
caps in center of hubs.
3. If equipped, move steer/tow selector valve to float
(tow) position by pulling valve knob out.
To Engage Drive Motors and Brakes (Normal
Operation)
1. If equipped, move steer/tow valve to steer position
by pushing valve knob in.
2. Connect both drive hubs by inverting disconnect
cap in center of hub.
3. Remove chocks from wheels as required.
3.5 DRIVE MOTOR - 4WD (PRIOR TO S/N
81836)
Spare Parts Kits
Sealing kit, existing spare parts: shaft sealing ring, 6 differ-
ent O-rings and a circlip (sealing mat.: perbunan)
Same sealing kit like shown above only seal material
changed to Viton
Drive shaft
DISCONNECT
CAP
DISCONNECT
CAP
(REVERSED)
DRIVE
HUB
DRIVE
HUB
Drive Hub Engaged
Drive Hub Disconnected
Figure 3-16. Disconnecting the Drive Hubs