throttle will be completely closed. The exhaust manifolds
grade 30. Governor control linkage, devices and pins
will be removed. The engine crankshaft will be rotated
not inclosed within the governor housing, will be coated
until the piston in the cylinder to be sprayed is below the
with type P -2 preservative.
Maximumair pressure will exceed
Reduction gears having
approximately 25psi. One-half of the determined amount
separate lubricating systems will be inspected for level of
of P-10,preservative lubricating oil, type
I or II,
grade 10, will be atomized sprayed through the open
lubricant. Add lubricant specified by the applicable
exhaust port. The crankshaft will be rotated until each
lubrication order to raise existing lubricant to operating
cylinder has been sprayed through its open exhaust port.
level or if contaminated, drain the lubricant, flush the
The preservation cycle will then be repeated after which
the crankshaft will not be rotated.
compressed air and thoroughly drain. The cleaned gear
manifolds will be reinstalled using new gaskets, if the
case will be filled to operating level with approved
ones originally used show evidence of damage. A tag
lubricant and operated under no load to insure coating of
will be prepared indicating: "ENGINE PRESERVED-DO
all interior surfaces and components. If impracticable to
NOT CRANK UNTIL ISSUED TO THE USER". The tag
operate, agitate the lubricant with dry compressed air
will be attached near the engine start control.
sufficiently to insure coverage of gears and internal parts
15. Fuel and Oil Filters. Remove and clean filters.
of the housing. The flexible tube employed for air
Coat with type P-9 preservative oil and reinstall.
agitation will be of a smaller diameter than the opening of
the housing so that pressure will be released
16. Air Cleaners.
simultaneously with the agitation process.
a. Oil-Bath Type. Oil-bath type air cleaner wilI be
19. Inclosed Gears. Oil lubricated gears not otherwise
filled to operating level with P-10, preservative lubricating
provided for will be inspected for level of lubricant and for
oil, type I or II, grade 30. Unpainted surfaces above
operating level will coated with the same type and grade
lubricant specified by the applicable lubrication order to
of preservative oil.
b. Dry-Type. After engine has been processed,
raise existing lubricant to operating level or if
contaminated drain the lubricant, flush the gear housing
when equipped with a dry-type removable filtering
with type P-3 preservative. Agitate with dry compressed
element, the elements will be removed. The interior
air, and thoroughly drain. The cleaned gear will be filled
surfaces will be atomized sprayed with P-10,
to operating level with approved lubricant and operated
preservative lubricating oil, type I or II, grade 30. The
under no load to insure coating of all interior surfaces
metallic elements will be dipped in the same type and
and components. If impracticable to operate, agitate the
grade preservative and the excess preservative allowed
lubricant with dry compressed air sufficiently to insure
to drain prior to installation. Element will be reinstalled.
coverage of gears and internal parts of the housings.
Caution will be exercised to prevent preservative from
The flexible tubing employed for air agitation will be of a
contacting nonmetallic surfaces and the felt of the felt-
smaller diameter than the opening of the housing so that
pressure will be released simultaneously with the
a. Lubricated Type. (With Integral Lubricating
20. Exposed Gears. Non-precision exposed gears
System.) Prior to engine preservation, drain the housing
subjected to the weather will be coated with type P-1
of operating lubricant and fill to operating level with P-10,
preservative. All other exposed gears will be coated with
preservative lubricating oil, type I or II, grade 30.
type P-2 preservative.
b. Lubricated Type. (Without Integral Lubricating
System.) The exterior surfaces of the governor housing
21. Drive Belts and Pulleys.
of all drive
belts will be released. Pulley grooves will be coated with
will be atomized sprayed with P-10, preservative
lubricating oil, type I or II, grade 30.
c. Dry Type. Dry type governor mechanism, such
as weight, springs, pins, linkage, and other parts or
assemblies within the governor housing will be atomized
sprayed with P-10, preservative lubricating oil, type I or II,