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MAINTENANCE
JUNE 2021
32DSKF02.D
TITANIUM S-SERIES AND K-SERIES
PUBLIC USE SERVICE MANUAL
RSM0007100
HYDRAULIC CYLINDER TUBE
PISTON ASSY
GLAND NUT ASSY
SHAFT
FIGURE 3-15: HYDRAULIC CYLINDER
l.
Refer
to
Figure 3-15
. Replace gland nut with the gland nut supplied in kit. Apply thin film of hydraulic fluid
to the seals before installing.
m. Thoroughly clean shaft and new piston threads.
NOTE
: If shaft threads were damaged by the thread locking punch, rethread with 1/2-20 die. Use a wire brush to
remove all thread sealer from shaft threads. Blow clean. Always blow piston threads clean even if no dirt is
visible.
n. Refer
to
Figure 3-15
. Install new piston supplied in kit. Apply medium strength thread lock (blue) on shaft
threads and tighten securely.
o. Refer
to
Figure 3-15
. Reinsert shaft into cylinder. Apply thin film of hydraulic fluid to seals before installing.
Use split cup tool to insert piston.
NOTE
: Be extra careful not to damage piston seals.
p. Firmly tighten gland nut. Apply medium strength thread lock (blue) on gland nut threads.
q. Install front pin. Place set screw face down. Apply medium strength thread lock (blue) on cap screw.
Tighten using 5/32” hex wrench.
r.
Install rear spring using spring installation tools.
s. Install rear pin. Insert pin from bushing side. Apply medium strength thread lock (blue) to button head
screw. Tighten using 3/16” hex wrench.
NOTE
: Air in Cylinder will require purging for proper wheelchair lift function.
t.
Deploy lift and cycle three to four times to ensure any air in hydraulic cylinders is removed before stowing
wheelchair lift.
