TM 5-3825-226-24
FUEL INJECTION PUMP
Firing order (injection sequence) ............ 1, 2, 7, 3, 4, 5, 6, 8
Injection timing before TC (top center): 16 ± 1°
Torque for the nuts that hold the fuel lines
(Use 5P144 Fuel Line Socket) .....30 ± 5 lb. ft. (40 ± 7 N-m)
(1)
Bore in the rear bearing for the
camshaft (new)2.3750 ± .0005 in. (60.325 ± 0.013
mm)
Diameter of rear bearing surface (journal) of the
camshaft (new) ........ 2.3720± .0005 in. (60.249 ± 0.013 mm)
Maximum permissible clearance between
the bearing and the camshaft bearing
surface (journal) (worn) .............. .006 in. (0.15 mm)
(2)
Torque for screws that hold sleeve
control levers ............. 24 ± 2 lb. in. (2.8 ± 0.2 Nom)
(3)
Bore in the housing for the fuel control
shaft (new) . ... 3543 ± .0005 in. (8.999 ± 0.013 mm)
Diameter of sleeve control
shaft (new) .. . .3530 ± .0003 in. (8.966 ± 0.008 mm)
Maximum permissible clearance between
the bore In the housing and the sleeve
control shaft (worn)...................... .003 in. (0.08 mm)
(4)
End play for camshaft with sleeve
installed (new) ....... .023 ±.018 in. (0.58 ± 0.46 mm)
NOTE: When installing sleeve on end of camshaft,
support the camshaft to prevent damage to parts inside
of injection pump and governor housing
(5)
Bore in the front bearing for the camshaft
(new) ........ 1.0005 .± .0005 in. (25.413 ± 0.013 mm)
Diameter of front bearing surface (journal) of the
camshaft (new) .9990 ± .0005 in, (25.375 ± 0.013 mm)
Maximum permissible clearance between
the bearing and the camshaft bearing
surface (journal) (worn) .............. .004 in. (0.10 mm)
(6)
Torque for bushing .......... 60 ± 5 lb, ft. (80 + 7 N-m)
(7)
Crossover levers.
NOTE: For adjustment of crossover levers, see the
TESTING AND ADJUSTING SECTION
(8)
Torque for screws that hold
crossover levers .........24 ± 2 lb. in. (2.8 + 0.2 N-m)
(9 and 10) Fuel control shafts.
(11)
Dowel pin (linkage between crossover levers).
(12)
Distance guide pin extends
into bore ............... .047 ± .004 in. (1.20 + 0.10 mm)
NOTE: Install guide pin with slot towards the top of the lifter
bore.
(13)
9N5862 Spring for injection pump:
Length under test force ........... 1.348 in. (34.24 mm)
Test force ..................... 12.5 ± 1.3 lb. (55.5 ± 5.8 N)
Free length after test ............... 1.566 in. (39.78 mm)
Outside diameter ...728 ± 010 in. (18.49 + 0.25 mm)
1-7
