9-2b.
ARMY
TM 5-6115-612-34
MARINE CORPS TM 6115-34/8
AIR FORCE
TO 35C2-3-471-2
hex
is
NAVY
AG-320BO-MME-OOO
Section III.
GENERAL MAINTENANCE
2-4. GENERAL MAINTENANCE FOR DIRECT
(3) Install
lockwasher and
SUPPORT, GENERAL SUPPORT AND DEPOT.
nut.
Tighten nut until lockwasher
This section provides general mainte-
flattened.
nance
procedures
for
replacing
lockbolts,
gasket
material,
sound
abatement
material,
and
turnlock
c.
Gasket Replacement.
fasteners.
WARNING
a.
Lockbolt Removal/Ins tallation.
To prevent injury, use cleaning
(1) Center punch head of lockbolt
fluid in a well-ventilated area.
pin.
Avoid
prolonged or
repeated
breathing of vapor, and prolonged
(2) Use 3/16 inch drill bit and
or repeated contact with skin.
carefully drill into head of lockbolt
Use proper protective equipment.
pin.
(1) Remove damaged gasket.
(3) When
Use
drill
bit
is
trichlorethylene
(O-T-634) to thor-
approximately 2/3 of the way into the
oughly clean area.
lockbolt pin,
the lockbolt pin should
destruct.
It may be necessary to
(2) Measure and cut new gasket to
lightly tap out lockbolt collar.
fit.
(4) Ensure that hole is not
(3) Peel
backing
from adhesive
damaged.
Remove any burrs.
side of new gasket and firmly press in
place.
Trim to fit.
(5) Install new lockbolt pin in
hole.
d.
Insulation
Replacement.
Pro-
(6) Place new collar on lockbolt
cedures for replacing engine housing
pin.
insulation are identical to those for
gasket
replacement
except
that the
(7) Use a pneumatic puller with a
edges of the insulation material must
3/16 inch nose adapter. Pull on collar
be treated with edge sealer before
side of lockbolt pin until pin breaks
installing.
Replacement of
exhaust
off even with collar.
duct insulation is covered in paragraph
b.
Lockbolt Replacement. Lockbolts
can be replaced with a screw, washers,
Turnlock Faste ner Replacement.
and nut.
This arrangement can be
(See figure 2-1.)
either temporary or permanent.
(1) Receptacle replacement.
(1) Remove lockbolt in accordance
with paragraph 2-4a, steps (1) through
(a) Hold receptacle with screw
(4).
driver.
(2) Place flat washer on #10
(b) Loosen and remove retaining
hexhead screw and insert in hole.
nut.
2-55
