TM 5-3810-306-34
4. INSPECT THE
BARREL
CAREFULLY
FOR
CLEANING AND INSPECTION:
SCORING.
WARNING
REASSEMBLY:
Dry cleaning solvent P-D-680 is toxic
CAUTION
and flammable.
Wear protective
goggles and gloves and use only in a
When installing new seals and rings,
well ventilated area. Avoid contact
avoid stretching seals or scratching
with skin, eyes, and clothes and do
the grooved or gland surfaces.
not breathe vapors. Do not use near
open flame or excessive heat. The
NOTE
flash point is 100F-138F (38-59C).
If you become dizzy while using
Lubricate new seals and rings with
cleaning solvent, get fresh air
clean hydraulic oil.
immediately and get medical aid. If
contact with eyes is made, wash your
1. LUBRICATE CYLINDER ROD (18) WITH CLEAN
eyes with water and get medical aid
HYDRAULIC OIL.
immediately.
2. REASSEMBLE HEAD (11), INSTALL ON ROD (18).
Compressed air used for cleaning
purposes will not exceed 30 psi. Use
a. Install new packing (12) and back-up ring (13)
only with effective chip guarding and
onto the outside of head (11).
personal
protective
equipment
(goggles/ shield, gloves, etc.).
NOTE
1. CLEAN ALL PARTS WITH SOLVENT AND DRY
Ensure packing portion of rod seal is
WITH COMPRESSED AIR. INSPECT ALL PARTS
installed forward as head would enter
FOR SERVICEABILITY.
barrel.
CAUTION
b. Install new wear ring (10), buffer seal (14) and
rod seal (15) into inside of head (11).
Before installing new seals and rings,
clean all surfaces and carefully
c.
Install new wiper seal (16) into inside of threaded
remove burrs and nicks.
Parts
ring (17).
displaying excessive wear or damage
should be replaced.
CAUTION
2. STONE OUT MINOR BLEMISHES AND POLISH
Do not damage rings and seals when
WITH A FINE CROCUS CLOTH.
installing head (11) and piston (4)
onto rod (18).
3. CLEAN WITH SOLVENT AND DRY WITH
COMPRESSED AIR ANY PARTS THAT HAVE
d. Install threaded ring (17) and head (11) onto rod
BEEN STONED AND POLISHED.
(18).
e. Install spacer (9) (tapered end first) onto the rod
(18).
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