JLG 4394RT Service Manual - Manual (Page 98)

SECTION 3 - CHASSIS, PLATFORM & SCISSOR ARMS
3-62 – JLG Lift – 3121249
3.7 LEVELING JACKS (IF EQUIPPED)
Cylinder Removal
REMOVAL:
1. Disable machine operation.
2. Remove the four bolts (2), flatwashers (3) and tinner-
man nuts (4) from cover (1). Carefully lift cover up
and off of machine.
3. Disconnect, cap and label all hydraulic lines and
wires connected to the leveling jack cylinder (8).
4. Support cylinder. Remove the four bolts (6) and nuts
(7) attaching cylinder to cylinder mount. Remove
jack cover bracket (5).
5. Carefully remove cylinder from mount.
INSTALLATION:
1. Follow Removal Steps in reverse.
NOTE: Refer to Figure 4-32., Leveling Jack Cylinder for cyl-
inder breakdown.
2. Operate leveling jacks to ensure proper operation.
1
2
3
2
4
5
6
7
8
4
3
1. Cover
2. Bolt, 1/4"-20NC x 7/8"
3. Flatwasher
4. Tinnerman Nut
5. Jack Cover Bracket
6. Bolt, 1/2"-13NC x 3"
7. Nut
8. Leveling Jack Cylinder
Figure 3-35. Leveling Jack Cylinder Removal