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6-24
REPLACEMENTS
CHASSIS SUSPENSION
(222
)
d. Replacement of Rear Shock Absorber
Valves
After
thoroughly
cleaning outside of shock
absorber,
remove
rebound or
compression
va lve
as required by removing value nut and gasket.
The rebound valve consists of one assembly.
The compression valve consists of an orifice
assembly, blow off spring, static valve, and
static spring, which must be installed in the
order given. See figure
6-7.
6-25
REMOVAL AND INSTALLATION OF
TIRE AND TUBE
With the synthetic tubes and drop center
rims, care must be taken in removal and instal-
lation to avoid injury which would result in
early failure of tube in
service.
The following
instructions must be
carefully
followed.
1. Deflate tube completely. Loosen both beads
from rim
ledges,
using tool if necessary. Insert
two tire tools about 8 inches apart
between
bead and rim flange near valve stem and pry
short lengths of bead over flange. See figure
6-32, view A. Then, leaving one tool in position,
follow around rim with the other tool, taking
small bites, to remove remainder of bead.
2. Remove inner tube. See figure 6-32, view
B. Stand wheel in upright position with bead
ing Tool J
896-A
to insta ll the
retainers.
The
blade of tool is
placed
in the gap in retainer
and it holds valve spring down while
retainer
snaps into notches in piston. See figure 6-31.
2. Install
one-
end
cap,
using
new
end cap
gasket and tighten securely with
Wrench
J 766
.
CAUTION:
A
small
amount
of
Lubriplate
or
soft soap should
be placed betw een
th
e
end cap
and the end plate and
bet w een the
end plate
and
gasket befo re
in
stallation
to pr
ev ent t
he
gasket tearing
when
tightening
end cap. Tap
end cap with hammer after tightening and then
re-tighten. End cap must be tight.
3. Turn shock absorber over on holding fix-
ture and fill open end with fluid, holding the
valve off its seat
while
filling. Move shock ab-
sorber arm through complete
travel
while fill-
ing to r
emove
any air trapped in closed end.
4. When completely filled, install end cap
se-
curely, using new gasket and being careful not
to tear gasket, as mentioned in step 2
above.
5. Place shock absorber flat on
bench,
remove
filler plug, and add fluid to completely fill shock
absorber, move arm up and down
several
times
and recheck for complete filling, then install
filler plug and gasket.
SPRING
TOOL
J
896-A
.---..".--
RETAIN
ER
Figure 6-31-lnstalling Front Shock Absorber Valve Retainer
FIXTURE
~(l
-
DISC
(2)
~
~
VA
lV
E
Figure 6-30-Removing Front Shock Absorber End Cap
c. Installation of Valve in Front Shock
Absorber
1. Mount shock absorber on Holding Fixture
J 895. Install compression and rebound valve
discs, valves and retainers, using Valve Install-
two thin steel discs located under the valve
seat.
4. Remove valve assembly from opposite pis-
ton in the same manner.
5. Inspect the valves. If air cannot be blown
through bleed hole, valve is plugged am: should
be replaced with new valve assembly.
6. Thoroughly clean inside of shock ab-
sorber with gasoline or kerosene, working shock
absorber arm through complete travel while
cleaning. Drain cleaning solution and blowout
absorber with air.
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