ARMY TM 9-2815-255-24
AIR FORCE TO 38G1-95-2
MARINE CORPS TM 2815-24/4
CAUTION
When tightening fuel pressure lines at fuel Injection pump, be sure not to turn fuel Injection
pump fittings. Turning of these fittings may cause Internal pump damage.
i.
Tighten fuel injection lines (11, 12, 13, and 14) at pump to 20 ft-lbs (27 Nm).
j.
Connect fuel tube assembly (6) to fitting (15) on fuel pump.
k.
Connect fuel supply line to fuel pump.
I.
Connect throttle control system, refer to end item maintenance manual.
m.
Position timing hole cover plate (10, FIGURE 3-91) with new gasket (11) on pump. Install two screws (12) and
secure cover. Tighten screws to 17 in-lbs (2 Nm).
n.
Bleed fuel system, refer to paragraph 3-23.
o.
Remove timing pin.
3-28. FUEL INJECTION PUMP TIMING.
3-28.1. Timing Using Flange Timing Mark.
a.
Check alignment of mark on pump flange with mark on front plate.
NOTE
If a timing mark does not exist on the front plate, use timing procedure in paragraph 3-28.2.
b.
If marks are not aligned, disconnect fuel lines to pump and loosen three mounting nuts (7, FIGURE 3-91).
c.
Pivot pump housing first away from cylinder block as far as slots will allow. Then pivot it back again, but only far
enough to align timing mark on the pump flange exactly with timing mark on the cylinder block front plate.
d.
Tighten three mounting nuts (7) securing pump to front plate to 20 ft-lbs (27 Nm).
e.
Connect injection pump pressure lines. Start with outlet for one fuel injection line (12, FIGURE 3-41) and
continue around pump head in counter-clockwise direction, attaching lines in same order as engine firing (1-3-4-
2).
CAUTION
When tightening fuel pressure lines at fuel Injection pump, be sure not to turn fuel Injection
pump fittings. Turning of these fittings may cause internal pump damage.
f.
Tighten fuel injection lines at pump to 20 ft-lbs (27 Nm).
g.
Connect fuel return line and fuel supply line to pump.
h.
Connect throttle control system, refer to end item maintenance manual.
3-28.2. Timing Using Internal Timing Mark.
a.
Clean area around timing hole cover plate on side of pump and remove cover plate (10, FIGURE 3-91).
b.
Using center bolt on harmonic balancer, rotate crankshaft with No. 1 piston at TDC on compression stroke.
c.
Check alignment of governor weight retainer and cam ring timing marks.
Change 2 3-122
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