JLG 4394RT Operation And Safety Manual page 32

SECTION 2 - USER RESPONSIBILITIES, MACHINE PREPARATION AND INSPECTION
5. Raise machine platform above stowed position
approximately 9 ft (2.7 m) on the 3394RT or 10 ft (3.1
m) on the 4394RT.
6. Carefully drive the machine back off the block and
ramp.
7. Have an assistant check to see that the left oscillating
axle wheel that was on the block is in position on the
ground. The axle should oscillate so that all four
wheels maintain contact with the ground.
8. In the current position (platform raised and all four
tires on flat and level surface), carefully drive machine
up the ramp block again.
9. Have an assistant check to verify that the axle did not
oscillate and remained locked (one wheel is off of the
ground).
10. Carefully drive the machine back off the block and
ramp.
11. Lower the machine platform; the lockout cylinder
should then release and allow wheel to rest on the
ground. It may be necessary to activate DRIVE to
release cylinders.
12. If the lockout cylinders do not function properly, have
qualified personnel correct the malfunction prior to
any further operation.
2-10
Right Side Wheel Test
1. Place a 4 inch (10.16 cm) high block with ascension
ramp in front of right wheel of the oscillating axle.
2. From platform control station, select LOW drive speed.
3. Set the DRIVE control switch into position and care-
fully drive the machine up ascension ramp until right
oscillating axle wheel is on top of block.
4. Verify the axle oscillates to maintain contact with the
ground/ramp. (All four wheels on the ground).
5. Raise machine platform above stowed position
approximately 9 ft (2.7 m) on the 3394RT or 10 ft (3.1
m) on the 4394RT.
6. Carefully drive the machine back off the block and
ramp.
7. Have an assistant check to see that the right oscillating
axle wheel that was on the block is in position on the
ground. The axle should oscillate so that all four
wheels maintain contact with the ground.
8. In the current position (platform raised and all four
tires on flat and level surface), carefully drive machine
up the ramp block again.
– JLG Lift – 3121641