JLG 860SJ Operator Manual - Manual (Page 38)

SECTION 2 - USER RESPONSIBILITIES, MACHINE PREPARATION, AND INSPECTION
2-14 – JLG Lift – 3121630
2.4 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 inches (15.2 cm) high block with ascension ramp in
front of left front wheel.
2. From platform control console, 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 Swing control lever and position boom
over right side of machine.
5. With boom over right side of machine, place Drive control
lever to Reverse and drive machine off of block and ramp.
6. Have an assistant check to see that left front or right rear
wheel remains elevated in position off of ground.
7. Carefully activate Swing control lever and return boom to
stowed position (centered between drive wheels). When
boom reaches center, stowed position, lockout cylinders
should release and allow wheel to rest on ground, it may be
necessary to activate Drive to release cylinders.