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TM 5-1940-277-20
TM 1940-20/2
CAUTION
Cap or plug all hoses, connections, and openings immediately after
disconnection to prevent contamination. Remove caps or plugs
prior to installation. Failure to comply may result in damage to
equipment.
NOTE
The turbochargers on both engines are replaced the same way.
This procedure covers the replacement of one turbocharger.
Tag all hoses during removal to assist with installation.
Have container ready to catch fluid.
REMOVAL:
1.
Remove aft cockpit (refer to paragraph 3-27).
2.
Open and secure engine hatches (refer to paragraph 3-25).
3.
Drain cooling systems (refer to paragraph 3-69.1).
4.
Using flat tip screwdriver loosen clamp (19) and remove air cleaner (20) from turbocharger
inlet (18).
5.
Using 13 mm wrench remove four bolts (13), exhaust elbow (10), and gasket (9) from
turbocharger (8).
6.
Using 5/16 inch socket loosen clamp (2) and disconnect air crossover hose (3) from turbocharger
outlet (1).
7.
Using 5/8 inch wrench disconnect oil supply hose (4) from fitting (7).
8.
Using 9/16 inch wrench disconnect coolant supply hose (6) from fitting (5).
9.
Using 1-1/4 inch wrench remove banjo bolt (14), two sealing washers (11), and vent hose (12) from
turbocharger (8).
10.
Using flat tip screwdriver loosen clamp (17) and disconnect oil drain hose (16) from turbocharger
drain (15).
CAUTION
Do not let coolant drain into turbocharger oil drain tube, when
removing turbocharger from exhaust manifold. Failure to comply
may result in damage to equipment.
Cover all openings to prevent material from falling into
turbocharger or exhaust manifold. Failure to comply may result in
damage to equipment.
11.
Using 5/8 inch wrench remove four nuts (23), turbocharger (8), and gasket (21) from exhaust
manifold (22). Discard gasket (21).
3-260.1
Change 2


 


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