TM 5-3810-306-34
c.
Depress stop (9) and remove pin (5).
b. Agitate parts up and down to remove all old
lubricant and foreign material.
d. Remove piston (8) and springs (6) and (7).
2. CLEAN BEARINGS.
e. Remove opposite side pin (5) and stop (3).
a. Remove bearings from dry cleaning fluid.
f.
Remove and discard two preformed packings
(4).
b. Gently strike bearings against a block of wood to
remove solid lubricant particles.
19. IF NECESSARY, REMOVE VACUUM VALVE (101).
c.
Immerse bearings in dry cleaning fluid.
CLEANING:
d. Repeat steps a. thru c. Until bearings are clean.
WARNING
e. Dry bearings using dry compressed air.
Dry cleaning solvent P-D-680 is toxic
CAUTION
and flammable.
Wear protective
goggles and gloves and use only in a
Do not direct air stream across
well ventilated area. Avoid contact
bearing surfaces causing bearings to
with skin, eyes, and clothes and do
spin.
Otherwise bearing damage
not breathe vapors. Do not use near
could result.
open flame or excessive heat. The
flash point is 100F-138F (38-59C).
f.
Rotate bearings slowly by hand to aid in drying.
If you become dizzy while using
cleaning solvent, get fresh air
4. CLEAN HOUSINGS.
immediately and get medical aid. If
contact with eyes is made, wash your
WARNING
eyes with water and get medical aid
immediately.
Care should be exercised to avoid
skin rashes and the inhalation of
Compressed air used for cleaning
vapors when using alkali cleaners.
purposes will not exceed 30 psi. Use
only with effective chip guarding and
a. Clean interior and exterior housings, bearing
personal
protective
equipment
Caps, etc.
(goggles/ shield, gloves, etc.).
b. Cast parts (without polished or ground surfaces)
1. CLEAN ALL PARTS THOROUGHLY.
can be cleaned in hot solution tank with mild
alkali solution.
a. Immerse all parts in dry cleaning fluid P-D-680
Type II.
c.
Ensure parts are thoroughly cleaned and heated.
7-10
