JLG 660SJ Service Manual - Manual (Page 85)

SECTION 3 - CHASSIS & TURNTABLE
3121202 – JLG Lift – 3-35
7. Have an assistant check to see that left front wheel
remains locked in position off of ground.
8. Carefully activate SWING control lever and return
boom to stowed position (centered between drive
wheels). When boom reaches center, stowed posi-
tion, lockout cylinders should release and allow
wheel to rest on ground, it may be necessary acti-
vate DRIVE to release cylinders.
9. Place the 6 inch (15.2 cm) high block with ascension
ramp in front of right front wheel.
10. Place DRIVE control lever to FORWARD and care-
fully drive machine up ascension ramp until right
front wheel is on top of block.
11. Carefully activate SWING control lever and position
boom over left side of machine.
12. With boom over left side of machine, place DRIVE
control lever to REVERSE and drive machine off of
block and ramp.
13. Have an assistant check to see that right front wheel
remains locked in position off of ground.
14. Carefully activate SWING control lever and return
boom to stowed position (centered between drive
wheels). When boom reaches center, stowed posi-
tion, lockout cylinders should release and allow
wheel to rest on ground, it may be necessary acti-
vate DRIVE to release cylinders.
15. If lockout cylinders do not function properly, have
qualified personnel correct the malfunction prior to
any further operation.
3.6 STEER ADJUSTMENTS
NOTE: Spindles do not stop on cylinder stroke. Adjust steer-
ing stops as follows: Adjust item #1 to achieve 44°
inside turn angles. Steer full left and adjust RH item
#2 to contact axle. Steer full right and adjust LH item
#2 to contact axle. (2WS/2WD)
Spindles do not stop on cylinder stroke. Adjust steer-
ing stops as follows: Adjust item #1 to achieve 39°
inside turn angles. Steer full left and adjust RH item
#2 to contact axle. Steer full right and adjust LH item
#2 to contact axle. (2WS/4WD)
Figure 3-39. Steer Adjustments