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Figure 6-163.
Gland Bushing
Gland Details
Figure 5-162.
5-136 CLEANING AND INSPECTION.
e. Remove segment rings (G), This will allow
the gland assembly to be pulled from cylinder
a. After disassembly, clean ail metal parts in
and piston rod.
a Stoddard type cleaning solvent and dry thor-
oughly with compressed air.
f .  Refer to figure 5-161 if it is necessary to
remove and replace packing set (H) or seal guard
CAUTION
k i t ( C ) .  Upon reassembly be sure that ail com-
ponents mate or properly seat in one another.
CLEAN ALL RUBBER, PLASTIC, FIBER, OR
The seal guard kit (C) must be correctly posi-
tioned in the seal guard retainer (D), and
SYSTHETIC PARTS IN CLEAN HYDRAULIC FLUID.
the fiat side of the rubber ring must face
outward so the beveled sides of the ring will
b.  Before reassembly, check ail parts for
properly mate with both bronze wiper rings.
f u r t h e r serviceability.  Replace all O-rings,
The packing set has both a bottom and top
and check packings for wear or damage. Be
adaptor.  The flat side of the bottom adaptor
sure that mating parts have smooth surfaces.
must set fiat against the rear gland bushing
The piston rod must not have any burrs, nicks
(L) with the beveled side of the adaptor facing
or rough spots - rod must be smooth finished.
outward so it will properly mate with packing
I f there are burrs, nicks, etc., polish surface
s e a l s , and fiat side of top adaptor must face
with crocus cloth until rod has an absolutely
outward so it will set flush against the front
smooth finish.
gland bushing (J).
CAUTION
g. The rear gland bushing (I) is held in place
by a snap ring (K), as shown in figure 5-163.
DO NOT USE EMBERY CLOTH OR SANDPAPER. DO NOT
h.  The gland assembly is equipped with one
POLISH SO MUCH THAT CHROME PLATING IS WORN OFF
O-ring (L) and one back-up ring (M). These
components must always be positioned as shown
THIS IS IMPORTANT AS PACKINGS AND TUBE
ROD.
in figure 5-164.  The back-up ring is always
on the side opposite the pressure.
WILL BE DAMAGED IF ROD IS BURRED, NICKED,
Pull piston rod from cylinder tube.
i.
TAKE CARE NOT TO DAMAGE
SCRATCHED, ETC.
j .  Check U-cup (N, figure 5-161) and wear ring
O-RINGS AND PACKING SEALS AT REASSEMBLY BY
( 0 ) f or wear or damage and replace as required.
MAKING SURE THAT THE
CHECKING CYLINDER,
5-98

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