JLG 860SJ Operator Manual - Manual (Page 39)

SECTION 2 - USER RESPONSIBILITIES, MACHINE PREPARATION, AND INSPECTION
3121630 – JLG Lift – 2-15
8. Place the 6 inches (15.2 cm) high block with ascension ramp
in front of right front wheel.
9. Place Drive control lever to Forward and carefully drive
machine up ascension ramp until right front wheel is on top
of block.
10. With boom over left side of machine, place Drive control
lever to Reverse and drive machine off of block and ramp.
11. Have an assistant check to see that right front or left rear
wheel remains elevated in position off of ground.
12. 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 activate Drive to release cylinders.
13. If lockout cylinders do not function properly, have qualified
personnel correct the malfunction prior to any further oper-
ation.