September 2016
Service Manual
Mast Components
Part No. 38139
AWP Super Series • IWP Super Series
91
5-
1 Lift Cylinder
5-1
Lift Cylinder
How to Remove the Lift Cylinder
Bodily injury hazard. This
procedure requires specific
repair
skills, lifting equipment and a
suitable workshop. Attempting
this procedure without these skills
and tools could result in death or
serious injury and significant
component damage. Dealer
service is strongly recommended.
Note: When removing a hose
assembly or fitting,
the O
-
ring (if equipped) on the fitting and/or hose
end must be replaced. All connections must be
torqued to specification during installation. Refer to
Specifications,
Hydraulic Hose and Fitting Torque
Specifications.
1
Fully lower the
platform.
2
Turn the key switch to the off position.
AWPS models:
Remove the outriggers from
the outrigger storage socket.
DC models:
Remove the battery pack.
3
Remove the breather cap from the hydraulic
power unit and install a pipe plug in the filler
hole.
4
Attach an overhead crane to the lifting eye at
the top of the mast.
5
Place a saw horse in front of the machine
where the top of the mast will rest.
6
Lift the machine off the ground and then while
lowering it, guide it over onto the saw horse.
Be sure the saw horse is of ample capacity.
Crushing hazard. The machine
will fall unless it is properly
supported by the saw horse.
7
Remove the socket head retaining bolt from
the clevis block on the lift cylinder rod end.
1
top of no. 1 column
2
retaining fastener
3
clevis block
8
Tag, disconnect and plug the lift cylinder
hydraulic hoses. Cap the fittings on the lift
cylinder.
Bodily injury hazard. Spraying
hydraulic oil can penetrate and
burn skin. Loosen hydraulic
connections very slowly to allow
the oil pressure to dissipate
gradually. Do not allow oil to
squirt or spray.
9
Remove the cylinder mounting fasteners from
the barrel end of the cylinder.
