TM 1-1500-204-23-1
(c)
Reinstall covers with new gaskets
and tighten holddown nuts to values specified in
applicable engine maintenance manual.
NOTE
The above rocker box preservation
procedures are mandatory for all
0.435 series engines.
(10)
Spray interior of each cylinder with
corrosion preventive, MIL-C-6529, Type II maintained at
a temperature of 221 to 2500F (105 to 121C). Spray
as follows:
(a)
Spraying shall be accomplished with
piston at bottom dead center. Spray cylinders in
sequence of firing order. Continue in this manner until
all cylinders are sprayed.
CAUTION
The crankshaft must not rotate after
final
spraying
as
preservation
coating will be scraped from cylinder
walls.
(b)
Final-spray
cylinders
without
rotating crankshaft.
(c)
Install cylinder dehydrator plugs,
MIL-1-6131, Type II, In each spark plug opening.
(11)
Spray interior of exhaust ports and seal
Individuals ports with applicable exhaust port plug.
(12)
Preserve carburetors in accordance with
approved preservation procedures.
(13)
Remove thrust bearing cover plate and
spray-coat bearing with corrosion preventive, MIL-C-
6529, Type II Reinstall cover.
(14)
Coat
exposed
propeller
shaft
with
corrosion preventive, MIL-C-16173, Grade 2 wrap
propeller shaft with barrier material, and MIL-B-121,
Grade A, when applicable plastic cylinder protector is
not available.
(15)
Seal oil line fittings with plugs conforming
to MIL-C-5501.
(16)
Remove cover plates from all accessory
drives and spray-coat all drives with corrosion-
preventive, MIL-C-6529, Type II. Reinstall all cover
plates.
(17)
Seal breather openings with oil and
moisture-resistant covers, dehydrator plugs, or pressure
sensitive tape, Federal Specification PPT-60.
(18)
Perform dehydration of Intake manifold as
follows:
(a)
Secure carburetor throttle valve In
open position with lockwire.
(b)
Install one 16-unit bag of desiccant,
MIL-D-3464, in intake.
(c)
Seal
openings
with
moisture-
resistant covers or barrier material, MIL-B-121, Grade A,
secured
with
pressure
sensitive
tape,
Federal
Specification PPP-T-60.
CAUTION
Do not turn protective cap during
installation or removal as damage
may occur to contact spring.
(19)
Protect spark plug lead terminals by
installing applicable protective cap.
(20)
Preserve magnetos by applying oil to
cam, spring, and other steel parts. Seal all external
openings
with
pressure
sensitive
tape,
Federal
Specification PPP-T-60.
NOTE
Keep oil from breaker points.
(21)
Install a crankcase dehydrator plug.
(22)
Install
engine
in
a
metal
shipping
container as follows:
(a)
Place
preserved
engine
in
a
serviceable container in accordance with instructions
supplied with container.
(b)
Close container and tighten closure
bolts to proper torque.
7-42
