JLG G5-18A Service Manual - Manual (Page 58)

Cab
4-10 G5-18A, 2505H, 25.5
4.5 CAB REMOVAL
Note: To help ensure safety and optimum performance,
replace cab if it is damaged. Refer to appropriate parts
manual for ordering information.
Inspect cab, its welds and mounts. If modification,
damage, a cracked weld and/or fatigued metal is
discovered, replace cab. Contact local JLG Dealer with
any questions about suitability or condition of a cab.
Note: Remove and label cab components as needed
before removing cab from machine. Label, disconnect
and cap hydraulic hoses. Transfer cab parts to
replacement cab after replacement cab is securely
mounted on machine.
1. Park machine on a hard, level surface.
2. Fully retract boom, lower boom, place transmission
control lever in (N) NEUTRAL.
3. Engage park brake and shut engine OFF.
4. Place a Do Not Operate Tag on both ignition key
switch and steering wheel.
5. Properly disconnect battery.
6. Open engine cover. Allow system fluids to cool.
7. If equipped with a cab heater, Refer to Section 4.4.8,
b. “Installation.”
8. Working underneath cab, label, disconnect and cap
all hydraulic hoses at cab fittings.
9. Cap all fittings and openings to keep dirt & debris
from entering hydraulic system.
10. Label and disconnect cab harness connectors. Move
harnesses clear of cab to prevent damage during
cab removal.
11. Install four lifting eye bolts with a minimal lifting
capacity of 800 lb (363 kg) in existing holes at top
corners of cab (1).
12. Use a hoist or overhead crane and sling with a
minimal lifting capacity of 800 lb (363 kg) attached to
four lifting eye bolts. DO NOT attempt to lift cab at
this point.
13. Remove hardware (2), securing cab to frame.
14. Remove mirrors and all other cab components as
needed, if not previously removed.
15. When all wiring, hydraulic hoses and fasteners are
disconnected or removed, carefully and slowly lift
cab and remove it from frame.
16. Readjust position of sling as needed to help balance
cab during removal.
17. When cab is completely clear of machine, carefully
lower it to ground.
18. Block up or support cab so that it does not move or
fall. Assure that no personnel enter cab while it is
being removed from machine.
19. Inspect condition of fittings, clamps, hydraulic hoses,
etc. Replace parts as indicated by their condition.
20. Inspect and replace other machine parts that
are exposed with cab removed. Repair or replace
as required.
WARNING
The protection offered by this ROPS/FOPS will be
impaired if subjected to any modification or structural
damage, at which time replacement is necessary.
ROPS/FOPS must be properly installed using
fasteners or correct size and grade, and torqued to
their specified value.
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