Thrush Aircraft S2R-R1340 Maintenance Manual page 36

Table 2-1: ENGINE PRESERVATION PROCEDURES (Continued)
OPERATION
c. Discharge the gun into a clean container
d. Insert the discharge tube of the gun into
Cylinder
e. Start spraying. As soon as the target is
Treatment
(Continued)
f. Proceed at once to spray each of the
Install dehydrator plugs in the spark plug
holes of all cylinders and tighten them to the
recommended torque. Do not remove the
moisture seals from the plugs until ready to
install. On those engines incorporating a
front crankcase breather, disconnect the
breather and install a dehydrator plug in the
Dehydrator
case. On those engines not incorporating a
plugs
front
governor, install a governor pad shipping
gasket and cover, then install a dehydrator
plug in the cover.
Install dehydrator plugs in all suitable
openings in the main, collector and rear
crankcases.
2-18
THRUSH AIRCRAFT, INC – MODEL S2R-R1340
AIRCRAFT MAINTENANCE MANUAL
PROCEDURE
until a uniform spray is produced at the
nozzle. The mixture discharged during
this operation should be retained for the
final operation.
the cylinder and determine the position
of the piston. Use the free hand to mark
the distance the gun will travel into the
cylinder to come to a point just short of
the piston. Withdraw the gun tube until
the nozzle is at the spark plug opening.
pressed move the gun so that the nozzle
will travel slowly from the spark plug
opening to the piston, but without
touching the piston head, then back to
the spark plug opening where the trigger
should be released immediately.
remaining cylinders in the same manner.
If the spray gun will be idle more than
one minute, repeat step c. to ensure that
a slug of cold preservation compound is
not ejected, and that a fine even spray is
obtained.
crankcase breather,
Engine Installed:
10 to 30
Days
X
X
remove the
Engine
not
Over 30
Installed:
Days
X X
X X
Effective 01/01/08