JLG 4394RT Service Manual - Manual (Page 101)

SECTION 3 - CHASSIS, PLATFORM & SCISSOR ARMS
3121249 – JLG Lift – 3-65
Deck Extension Cylinders (if equipped)
REMOVAL:
NOTE: Each deck extension has two deck extension cylin-
ders.
1. Disable machine operation.
2. Disconnect, cap and label hydraulic lines attached
to extension cylinders (2). Disconnect and label any
electrical wires attached to cylinders.
3. Support extension cylinders before disconnecting
from bottom side of platform (1).
4. Remove the shoulder screws (3, 12), locknuts (5, 9),
bolts (8) and flatwashers (4, 10, 13).
5. Carefully remove the extension cylinder.
INSTALLATION:
1. Follow Removal Steps in reverse.
2. Reconnect hydraulic lines to cylinder.
3. Operate deck extension function to ensure proper
operation.
NOTE: Refer to Figure 4-34., Deck Extension Cylinder for
cylinder breakdown.
1
2
2
3, 4, 5
6
7
8, 9, 10
11 8, 9, 10
3, 12, 13
1. Platfrom & Deck Extension
2. Deck Extension Cylinders
3. Shoulder Screw
4. Flatwasher
5. Locknut, 5/8"-11NC
6. Hanger Bracket
7. Clamp
8. Bolt, 3/8"-16NC x 4 1/2"
9. Locknut, 3/8"-16NC
10. Flatwasher
11. Cylinder Attach Bracket
12. Shoulder Screw
13. Flatwasher
Figure 3-38. Deck Extension Cylinders Removal