Hudson 63 1936, Mechanical Procedure Manual

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MECHANICAL PROCEDURE MANUAL
SECTION 19
Page 9
Figure 1909—J-777 Shock Absorber Remover and Replacer
inside of the dust shield and all valve parts which MUST be
absolutely clean and dry. DO NOT use a thinner, or paint
removing compound, as these are injurious to Piston Rod Seal.
2. Valve Reassembling: Relation of valve parts must be
maintained as shown above. Use either 2 or 3 pronged assembly
tool (Figure 1905, included in Kit J-745) according to number
of holes in piston. Put piston on tool with valve side down,
holding piston up against top of tool with fingers. Press ends of
pins against valve, compressing the spring, so that end of bush-
ing projects slightly above top surface of valve disc, then push
piston down into tube until it bottoms against end of bushing,
keeping pressure on valves with tool. Hold piston in place with
fingers, remove assembly tool, keeping pressure on piston so as
not to release spring, and thread nut in place. Before tightening
nut solidly in place, pull cylinder (1) Figure 1904, to fully
extended position, rotate 90 degrees, then force it downward.
This will locate piston properly on rod. Make sure that piston
rod nut is securely tightened and staked to prevent loosening.
Test valve to see that it is assembled properly by pushing down
with assembly tool through the holes. If valve can be depressed
slightly, assembly is correctly made.
3. If necessary to replace top guide assembly use assembly
thimble (included in Kit J-745) to avoid damaging seal when
sliding over piston rod shoulder.
4. Install new rubber gasket in top guide by reversing
"disassembling" instruction No. 6 above.
5. Make sure that shock absorber is screwed up TIGHT to
avoid leakage at top guide rubber gasket.
Removing
Rebuilding 1937 Delco Shock Absorbers
1. Remove shock absorbers from car and thoroughly clean
all dirt away around the filler plug.
2. Pull out shock absorber to fully extended position.
3. Remove filler plug (P), Figure 1907.
4. Pump piston back and forth until shock absorber is COM-
PLETELY empty of fluid.
5. Clamp fluid plug end in vise with shock absorber in
upright position.
6. Extend shock absorber and engage spanner wrench in
notches in piston rod guide (R), through the two rectangular
holes near the bottom of the dust shield and unscrew guide.
7. Withdraw upper part of shock absorber which includes
upper eye, dust shield piston rod, rod guide, piston, working
cylinder and valve (E).
8. Remove valve (E) from bottom of working cylinder.
9. Unscrew sleeve (M) from piston rod and remove piston
and rod parts.
10. Remove rod guide (R) and seal assembly.
Rebuilding
The above operations are reversed to rebuild the shock
absorber. Before the rod guide and seal assembly is installed,
place the thimble included in the shock absorber service kit
over the threads of the piston rod to prevent damage to the seal.
A new rubber seal(s) should always be used. Dip the rubber
seal in Genuine Hudson Shock Absorber Fluid before install-
ing to prevent it being damaged when the guide is screwed
into place.
Figure 1910—J-991 Shock Absorber Bolt Remover