Wing lift & fold cylinder repair – Alamo HYDRO 15 User Manual
Page 83
Section 5 - 9
HYDRO 15 (Service Manual) 10/06
© 2006
Alamo Industrial
6.
Slide the cylinder head
(figure 3 item 4)
off the cylinder rod (
figure 3 item 3)
in the direction of
the piston.
DO NOT hammer on cylinder head or cylinder rod.
Cylinder head should slide by hand
with a minimum amount of effort, if it will not slide by hand check the cylinder rod for damage, scored
or bent. If cylinder head is forced over a damage area or bend it could damage cylinder head.
5.
Remove the 3/4" RH Thread Piston Retaining Locknut
(figure 3 item 7)
. The piston
(figure 3
item
6)
will not slide off of the cylinder rod weldment
(figure 3 item 3)
. Care must be taken when
removing the piston so as not to damage it,
DO NOT hammer on piston or cylinder rod
. The piston
was pressed on cylinder rod using a loctite 271 or equivalent. Piston
WILL HAVE TO
be pressed
off of cylinder rod, when pressing piston off make certain to support piston so as not to damage it
and use something to protect the threads on cylinder rod from being damaged by press. Support
the cylinder rod while in press from falling and damaging piston nut threads.
WING LIFT & FOLD CYLINDER REPAIR
Clean & Inspect Cylinder Components: (LH or RH Wing Cylinder)
1.
Inspect the barrel, check for scratches, severe wear areas, distorted tube dia. If no serious
damage is detected clean the Barrel
(figure 4 item 5)
, this can be done with solvent or with pressure
(Steam) washer. Inspect the tube closely, look at the OD of the tube for any dents or bulges. Inspect
the ID of the tube for serious wear. Inspect the base mount to make certain it is not worn or damaged.
Inspect the hose ports condition, check the threads in these ports.
2
If water was used to clean the barrel make certain all water (moisture has been dried off,
DO NOT
use anything that has lent ot dirt on it to dry the Barrel ID, it is recommended that air be used. Put
a light coat of clean hydraulic Oil (See Specifications for recommended type of oil for this model) on
the ID of the barrel.
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Figure 2
5
Cyl head screwed
out f/ barrel
6
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3
Figure 3
Cyl Head screwed
out f/ barrel
6
Vise
Cyl Rod
Clevis
Weldment
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