TM 9-2320-272-24-1
3-17. FUEL DRAIN AND BYPASS TUBING (M939/A1) REPLACEMENT (Contd)
9.
Remove screw (10), lockwasher (11), washer (12), clamp (13) with fuel supply tube (4), support
bracket (14), and spacer (15) from front of cylinder head (2). Discard lockwasher (11).
NOTE
Perform step 10 for vehicles with early model engines.
10.
Remove fuel supply tube (4) from adapter (5).
NOTE
Perform step 11 for vehicles equipped with late model engines.
11.
Remove fuel supply tube (4) and fuel pressure transducer (6) from tee (7).
12.
Remove fuel return tube (1) from adapter (3).
13.
Remove two screws (8) and upper radiator support bracket (9) from front of cylinder head (2).
NOTE
Perform step 14 for early model engines or step 15 for late model
engines.
14.
Remove two adapters (3) and (5) from front of cylinder head (2).
15.
Remove tee (7) and adapter (3) from front of cylinder head (2).
b. Installation
NOTE
Wrap all male pipe threads with antiseize tape before
l
installation.
l Perform step 1 for early model engines or step 2 for late model
engines.
1.
Install two adapters (3) and (5) on front of cylinder head (2).
2.
Install tee (7) and adapter (3) on front of cylinder head (2).
3.
Install upper radiator support bracket (9) on front of cylinder head (2) with two screws (8). Tighten
screws (8) 55-65 lb-ft (75-88 N.m).
4.
Connect fuel return tube (1) to adapter (3).
NOTE
Perform step 5 for vehicles with early model engines.
5.
Connect fuel supply tube (4) to adapter (5).
NOTE
Perform step 6 for vehicles with late model engines.
6.
Connect fuel supply tube (4) and fuel pressure transducer (6) to tee (7).
7.
Install spacer (15), support bracket (14), and clamp (13) with fuel supply tube (4) on front of
cylinder head (2) with washer (12), new lockwasher (11), and screw (10).
3-58
