Oscillating Axle Lockout Test (If Equipped) - JLG 600S Operation And Safety Manual

SECTION 7 - GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE
7.5

OSCILLATING AXLE LOCKOUT TEST (IF EQUIPPED)

LOCKOUT SYSTEM TEST MUST BE PERFORMED QUARTERLY, ANY TIME A SYSTEM COM-
PONENT IS REPLACED, OR WHEN IMPROPER SYSTEM OPERATION IS SUSPECTED.
NOTE:
Ensure boom is fully retracted, lowered, and centered between
drive wheels prior to beginning lockout cylinder test.
1. Place a 6 inch (15.2 cm) high block with ascension ramp in
front of left front wheel.
2.
From platform control station, start engine
3.
Place the Drive control lever to the forward position and
carefully drive machine up ascension ramp until left front
wheel is on top of block.
4.
Carefully activate telescope and extend the boom at least 2
ft. (0.6 m).
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5. Place Drive control lever to Reverse and drive machine off of
block and ramp.
6.
Have an assistant check to see that left front wheel remains
locked in position off of ground.
7.
Carefully activate telescope and return boom to stowed
position. The lockout cylinders should release and allow
wheel to rest on ground, it may be necessary to activate
Drive to release cylinders.
8. Repeat the procedure for the right front wheel.
9. If lockout cylinders do not function properly, have qualified
personnel correct the malfunction prior to any further oper-
ation.
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