TM 9-2320-272-24-1
3-21. TURBOCHARGER AND COOLANT LINES (M939A2) REPLACEMENT (Contd)
b. Installation
1.
Apply antiseize compound to four mounting studs (6) and install new gasket (12) and turbocharger (1)
on exhaust manifold (7) with four nuts (13). Tighten nuts (13) to 25 lb-ft (34 N.m).
CAUTION
Turbocharger must be lubricated with clean engine oil prior to
starting engine, or bearing damage may result.
2.
With a small funnel positioned in turbocharger oil supply hole (2), pour 2-3 ounces (57-85 grams) of
clean engine oil into turbocharger (1) (LO 9-2320-272-12).
3.
Spin impeller/turbine blades (14) by hand to coat bearings with oil (LO 9-2320-272-12).
4.
Connect exhaust pipe (8) to turbocharger (1) and tighten clamp (9).
5.
Connect air intake tube (11) to turbocharger (1) and tighten clamp (10).
NOTE
l Perform steps 6 and 7 for early model engines.
l Perform steps 8 and 9 for late model engines,
Wrap all male pipe threads with antiseize tape before
l
installation.
6.
Install connector (4) on oil cooler (5).
7.
Install oil supply hose (3) on turbocharger (1) and connector (4).
8.
Install new O-ring (16) and connector (15) on oil cooler (5).
9.
Install oil supply hose (3) on turbocharger (1) and connector (15).
NOTE
Perform step 10 if tube was removed.
10.
Install tube (22) on engine block (23).
11.
Install new gasket (17) and oil return tube (19) on turbocharger (1) with two screws (18).
12.
Install hose (21) and oil return tube (19) on tube (22) with two clamps (20).
13.
Install tube (26) and two hoses (25) on aftercooler (27) and turbocharger (1) with four clamps (24).
CAUTION
When filling cooling system, ensure drainvalve on aftercooler is
open. Failure to do so may result in damage to equipment.
3-70
