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 TM 5-1940-277-20
TM 1940-20/2
INSTALL:
NOTE
Install all hoses as tagged at removal.
1.
Apply antiseize compound to threads of studs (22) and screws (13).
2.
Using 5/8 inch wrench install turbocharger (8) and new gasket (21) on studs (22) of exhaust
manifold (23) with four nuts (24). Tighten nuts (24) to 33 lb-ft (45 Nm) in a star pattern. Torque
nuts (24) after engine reaches operating temperature.
3.
Using flat tip screwdriver install oil drain hose (16) and tighten clamp (17) on turbocharger
drain (15).
CAUTION
Turbocharger must be lubricated before engine is started. Failure
to comply may result in damage to equipment.
4.
Pour 23 oz (5580 cc) of engine oil into supply fitting (5) as turbine wheel is being rotated
counterclockwise.
5.
Using 1-1/4 inch wrench install banjo bolt (14), two new sealing washers (11), and vent hose (12) on
turbocharger (8).
6.
Using 9/16 inch wrench install and tighten coolant supply hose (6) on fitting (5).
7.
Using 5/8 inch wrench install and tighten oil supply hose (4) on fitting (7).
8.
If necessary, using 5/16 inch socket loosen clamp (25) on compressor housing and align compressor
housing (1) with air crossover tube (3). Tighten clamp to 50 lb-in. (5.7 Nm).
9.
Using 5/16 inch socket install crossover tube (3) and tighten clamp (2) on turbocharger (1).
CAUTION
Turbocharger gasket is marked with "THIS SIDE TOWARDS
TURBO" and must be installed in this position. Failure to comply
may result in damage to equipment.
10.
Using 13-mm wrench install exhaust elbow (10), new gasket (9), and four screws (13) on
turbocharger (8) and tighten four screws (13) to 18 lb-ft (24 Nm).
11.
Using flat tip screwdriver install air cleaner (20) and tighten clamp (19) on turbocharger inlet (18).
12.
Fill coolant system (refer to paragraph 3-68).
13.
Start engine and check for leaks.
14.
Install aft cockpit (refer to paragraph 3-27).
15.
Close engine hatches.
3-260.3
Change 2
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