g.
Remove and discard o-ring (19) from tube (11) and place tube in oil bath.
h.
Repeat steps a. through g. to remove the second tube.
CAUTION
Handle spool (20) with extreme care. Damage to surface of spool
will prevent it from functioning properly.
i.
Carefully slide the spool (20) from the valve body (21). Discard 0-rings (22).
j.
Inspect all parts for damage. Replace all 0-rings and any part suspected of being damaged. The spool (20) and
valve body (21) are a matched pair and if either is damaged, both must be replaced. Place all replacement parts
in oil bath.
5-7. 6. 3 Assembly.
CAUTION
Before assembly, check that both valve body and spool are
thoroughly dry. Any residual cleaning agent may damage the o-
rings.
a.
Wash all parts with an approved cleaning solvent and dry with low pressure compressed air.
CAUTION
Handle the spool (20) with extreme care. Contamination or damage
to surface of spool will prevent it from functioning properly.
b.
Dip the spool (20) and valve body (21) in clean SAE 10 oil and slide spool carefully into the body. If the spool
does not slide freely into the valve body, inspect for burrs. Remove burrs with a stiff wire brush or no. 400
emery paper and repeat steps a. an-d b.
c.
Place a new o-ring (19) on tube (11).
d.
Place a new o-ring (18) on button (17) and drop button into the tube (11). Use a screwdriver to push it into place.
e.
Insert plunger (16), plug (15) and pin (14) in tube (11).
f.
Place spring retainer (1 3) and spring (1 2) over end of spool (20).
g.
Install the tube (11) and hand tighten.
h.
Repeat steps c. through g. for second tube assembly.
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