(3) Block the bleed control valve in the
closed position using compressor protector
cleaning kit 6886204.
(4) Retain the anti-ice valve in the closed
(5) Spray one-quarter pint of preservative
item 35, table 2-.2) into the engine whde it is
being motored with the starter and without ig-
nition. Use a sprayer with a quick opening
valve and a nozzle sized to spray one-quarter
pint of preservative m 1 to 3 seconds. Hold
sprayer 8 to 12 inches in front of th
compressor. Allow the preservative to be
drawn into the compressor while spray
circular motion which covers the entire intake
area. As an alternate method of application
use an aerosol pressure-type spray can. Spray
preservation from the can or 15 to 20 seconds
whale the engine is being motored. Spray in a
circular motion which covers the entire retake
ping plugs (26, 27, 28, figure 3-2) with oil
Do not exceed 10% N1 rpm motor-
ing speed. Do not reject a solid
stream of fluid into the compres-
sor, proper compressor preserva-
bon may not occur and damage to
the compressor vanes could result.
(6) Reconnect the control system and
bleed control valve pressure sensing. Tighten
coupling nuts to 80-120 lb. in.
(7) Remove the wedge which was used to
block the bleed control valve in the closed
f. Preserve the engine fuel system as fol-
(l) Disconnect the power input lead at the
ignition exciter or pull the IGN ENG circuit
breaker Reference TM 55-1520-228-10).
Pull the boost pump circuit breaker.
(2) Disconnect the fuel line at the fuel
pump inlet port and connect a source of
lubricating oil (item 37, table 2-2). Cap the
disconnected fuel line.
(3) Move the twist grip to the IDLE detent
and motor the engine with the starter (use APU
To prevent damage to the starter
observe starter time restriction-35
seconds maximum when tempera-
ture is 90°F or (32°C) or above.
Discontinue motoring when fuel-free
oil flows from the combustion burner drain
(5) Disconnect the source of lubricating
oil and cap relet port of fuel pump.
(6) Reconnect the power lead to the igni-
tion exciter or reset the IGN ENG circuit
breaker. Reset the boost pump circuit breaker.
g. Install engine inlet and exhaust protective
covers. If covers are not available, seal the
openings with barrier material (item 4 table 2-
2) and secure with tape (item 5, table 2-2).
h. Make all necessary entries to include the
date and extent of engine reservation on the
forms (DA Form 2408-13).
i. Remove engine accessories in accordance
with Chapter 4 of TM 55-1520-228-23.
j. Clean the starter-generator drives lines
with methylethylketone (item 9, table 2-2) as
necessary to remove previously applied
lubrcant. Coat all accessory drive splines
and accessory drive pads which do not have ac-
cessories installed on them and engine oil ship-
(item 7, table 2-2). Coat fuel inlet shipping
plug (7) with oil (item 8, table 2-2). Install
shipping plugs, covers, gaskets, washers and
k. Secure the gas producer fuel control stop
in the cut-off Position. Secure the power tur-
bine governor stop and anti-icing valve lever
sufficiently tight to prevent movement. Lock-
wire (item 10, table 2-2) shall be used to
secure the stops and lever.
1. Attach a tag (8) tome fuel inlet shipping
plug (7) with the following reformation shown
clearly on the tag: THIS FUEL SYSTEM
HAS BEEN PREPARED FOR STORAGE
BY FLUSHING WITH OIL CONFORMING
TO SPECIFICATION MIL-L-6081, GRADE
m. Touch up paint where damaged in ac-
cordance with paragraphs 7-25b and 7-29.
Do not expose touchup areas to engine fluids
or cleaning solvents for a minimum period of
72 hours after application.
n. Tighten aluminum and plastic shipping
caps an plugs finger tight; except, tighten
caps (12 and 16, figure 3-2) on the combustor
drain valve and exhaust collector drain to bot-
tom of cap; then twist an additional 90-120
o. Tighten threaded parts to standard tor-
p. Tighten nuts which secure plastic acces-
so covers as required to obtain a snug fit
without out excessive cover indentation.
q. Cover the compressor bleed valve with