Cab Maintenance - JLG sky trak mmv Service Manual

Cab, Covers and Mirrors
3.2.3

Cab Maintenance

a. Replacement
WARNING:
personal injury. NEVER modify, weld or drill
the cab.
WARNING:
by this ROPS/FOPS will be impaired if sub-
jected to any modification or structural damage
at which time replacement is necessary.
ROPS/FOPS must be properly installed using
fasteners of correct size and grade, and
torqued to their specified value.
IMPORTANT: To help ensure safety and optimum per-
formance, replace the cab if it is damaged. Refer to the
appropriate parts manual for ordering information.
Before performing any inspection, maintenance or ser-
vice operation, thoroughly clean the vehicle. DO NOT
spray water or cleaning solution in, on, near or around the
operator's dash panels and electrical components.
Inspect the cab, its welds and mounts. If modification,
damage, a cracked weld and/or fatigued metal is discov-
ered, replace the cab. Contact the JLG Service Depart-
ment or the local JLG Authorized Service Center (ASC)
with any questions about the suitability or condition of a
cab.
b. Cab Removal
WARNING:
wear with reinforced toe caps and slip-resistant
soles. Failure to comply can result in foot injury
from falling objects or other bodily injury from
slipping or falling.
WARNING:
object without the help of at least one assistant
or a suitable sling or hoist. Failure to comply
can result in death or serious personal injury.
3.4
Risk of death or serious
The protection offered
Wear protective foot-
NEVER lift a heavy
IMPORTANT: Remove and label cab panels and other
components as needed before removing the cab from
the vehicle. Label, disconnect and cap hydraulic hoses.
Transfer cab parts to the replacement cab after the
replacement cab is securely mounted on the vehicle.
1. Park the vehicle on a firm, level surface. Allow
sufficient overhead and side clearance for cab
removal. Level the vehicle, ground the attachment,
place the travel select lever in the [N] NEUTRAL
position, place the neutral lock lever in the [N]
NEUTRAL LOCK position, engage the parking brake
switch and shut the engine OFF. Open the engine
hood. Allow the engine and hydraulic fluid to cool.
2. Remove engine side battery box cover (1). Remove
wing nut (2) and carriage bolt (3) and set cover and
mounting hardware aside for later re-assembly.
3. Disconnect the negative (-) battery cable (4) at the
negative (-) terminal on the battery in the engine side
battery box.
4. Disconnect the negative (-) cable (5) at the bottom of
the battery equalizer (6).
2
1
3
5. Remove the joystick assembly (refer to Section
3.5.2, b. Joystick Assembly Replacement ). Label,
disconnect and cap the six hydraulic hoses mounted
at the base of the joystick assembly.
6. Drain coolant from the radiator (refer to Section
2.13.4, b. Drain and Flush the Radiator ). The coolant
capacity is approximately 3 gallons (11,4 liters).
Allow the coolant to drain into a clean container and
save for putting back into the radiator at a later time.
7. Working from the outside rear of the cab, remove the
four button head capscrews (7) and flat plastic
washers (8) and remove the rear cab panel (9).
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5
4
MM2911
Model MMV Rev. 12/04