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TM 5-4320-306-24
4-4. REPAIR INJECTION PUMP (Continued)
h. If measurement recorded in step a is less than 0 36 inch (9 1 mm), add shim (90) If measurement recorded in
step a is more than 0 39 inch (9.9 mm), remove a shim (90)
i. Press new oil seal (83) into bearing cap (81)
CAUTION
Press only on inner race of bearing cone during installation to prevent damage to bearing.
j. Press bearing cone (89) onto camshaft (82) Press bearing cap (81) onto camshaft
k. Install assembled bearing cap (81) and camshaft (82) into housing
I. Install two screws (41) and two lockwashers (42) Torque screws to 61 to 78 in-lb (6.9 to 8 8 N m).
m. Install two spacers (45), timing indicator (44), and two screws (43) Torque screws to 61 to 78 in-lb
(6 9 to 8.8 Nm)
n. Repeat steps a through m to recheck camshaft projection.
31 Check camshaft end play as follows
a. Place a wood block into feed pump bore to prevent camshaft rotation Screw end play gage KDEP 2890 onto drive
end of camshaft Remove wood block
b. Install dial indicator on end play gage
NOTE
Exert steady pressure along camshaft centerline in the following two steps Side pressure will give
incorrect measurements
c. Steadily pull and swivel end play gage Set dial indicator to zero.
d. Press firmly and squarely on end play gage while swiveling the gage. Record dial indicator reading.
e. Remove dial indicator from end play gage Install a wooden block into housing bore to prevent camshaft rotation.
Remove end play gage. Remove wooden block
f. If dial indicator reading for end play is between 0.0008 to 0.0024 inch (0.020 to 0.061 mm), skip steps g through q
and proceed with step 32
g. If dial indicator reading is not between 0.0008 and 0.0024 inch (0.024 to 0.061 mm), remove two screws (43),
timing indicator (44), two spacers (45), two screws (41), and two lockwashers (42)
h. Tap governor end of camshaft using rubber mallet Remove bearing cap and camshaft as an assembly
4-27
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