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Page Title:
ADJUST TIMING BY TIMING PIN METHOD |
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 TM 5-2410-233-23
FUEL INJECTION PUMP AND GOVERNOR TIMING AND ADJUSTMENT - CONTINUED
0053 00
ADJUST TIMING BY TIMING PIN METHOD
1.
Place battery disconnect switch in OFF position (TM 5-2410-233-10).
2.
Remove crankcase breather from valve cover to access rocker arms (WP 0014 00).
3.
Perform steps 1-4 of WP 0017 00 to find top dead center (TDC) compression stroke for no. 1 piston.
CAUTION
Turn flywheel slowly to avoid damaging fuel injection pump, camshaft and timing pin.
4.
Rotate engine so flywheel turns approximately 30 clockwise, as seen from flywheel end.
5.
Remove four bolts (1) and timing cover (2) from governor and fuel injection pump housing. Remove and discard gasket
(3). Install timing pin (4) in plug hole of fuel injection pump housing.
3 (HIDDEN)
2
1
4
386-784
386-780
6.
Rotate engine flywheel (as seen from rear of engine) slowly to the left, until timing pin goes in notch of injector pump
camshaft.
7.
Try to insert a 3/8 in.-16NC bolt in timing hole in flywheel housing.
a.
If timing bolt can be installed in hole of flywheel, timing of fuel injection pump is correct. Proceed to step 8.
b.
If timing bolt cannot be installed in hole of flywheel, timing of fuel injection pump is not correct. Perform the fol-
lowing steps to adjust timing:
(1)
Remove six nuts (5), washers (6), pump drive gear cover (7) and gasket (8) from timing gear housing. Dis-
card gasket.
(2)
Loosen capscrew (9) that holds drive gear (10) to fuel pump camshaft. Turn capscrew out three turns to the
left.
0053 00-2
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