d. Rinse parts thoroughly with clean water to
remove all traces of alkali.
1. PREPARE SEALS AND PACKINGS.
e. Thoroughly dry all parts with dry, compressed air
and dry, lint-free cloths.
a. Coat all preformed packings with oil MIL-L-2104
b. Coat all seals with oil MIL-L-2104 SAE 10.
Apply thin coat of Permatex No. 2 on outside
a. Inspect rollers, cages and cups for wear, nicks
diameter of oil seal (47).
2. ASSEMBLE VALVE (2).
a. Install springs (6) and (7) and piston (8) in
Replace bearing cones and cups in
b. Install new preformed packings (4) in valve stops
(3) and (9).
b. Dip bearings in oil MIL-L-2104 SAE 10 and wrap
each in clean lint-free cloth.
Install new preformed packing (15) in housing
2. GEARS AND SHAFTS.
d. Install valve stop (9) and pin (5).
a. Using Magna-flux process, check all gears and
shafts for cracks and damage.
e. Install valve stop (3).
b. Examine teeth on all gears for wear, pitting,
Depress valve stop (3) and install pin (5).
chipping, nicks, cracks or scores.
3. INSTALL THREE GEARSHAFTS (30).
Replace gears if case hardening is worn
Install longer shaft in location noted during
d. Remove small nicks with suitable hone.
a. Install retaining rings (29) toward rear of
e. Inspect shafts and quills to ensure that they are
not sprung, bent or twisted.
b. Press bearings (32) with retaining rings (31) on
3. HOUSINGS AND COVERS.
a. Inspect housings, covers and bearing caps for
Install spacers (33) and press bearings (34) on
gearshafts (30) until they shoulder against
b. Inspect mating surfaces for nicks or burrs.
d. Install gearshafts (30) in housing (40).