TM 10-4320-307-24
4-10
LUBE OIL PUMP ASSEMBLY REPAIR (CONT).
4.
Install idler shaft as follows:
a.
Apply a coat of lubricating oil to large diameter
portion of idler shaft (17).
b.
Press large diameter end of idler shaft (17) into
bore in pump body (3), using arbor press with gear
and spacer mandrel.
c.
Check that idler shaft (17) protrudes between 0.720
and 0.740 inch (18.29 and 18.80 mm) from inside
flange of pump body.
5.
Install driven gear (18) to drive shaft (19) as follows:
a.
Apply a coat of lubricating oil to inside diameter of
gear (18).
b.
Press gear (18) onto drive shaft (19), using arbor
press with spacer mandrel.
6.
Install drive shaft (19) as follows:
a.
Install drive shaft (19) from gear pocket side of
pump body (3), into bore in pump body (3).
b.
Install key (20) into keyway in drive shaft (19).
c.
Apply a coat of lubricating oil to inside diameter of
drive gear (21).
d.
Place 0.012-inch (0.30 mm) shim (22) between
back side of drive gear (21) and front of pump
body and use arbor press to press drive gear onto
drive shaft (19).
e.
Remove shim (22).
f.
Check that drive shaft (19) protrudes between 0.855 and 0.875 inch (21.72 and 22.22 mm) from inside flange
of pump body (3).
g.
Check that drive shaft end movement is between 0.002 and 0.008 inch (0.05 and 0.20 mm).
7.
Apply lubricating oil to inside diameter of idler gear (23) and install idler gear onto idler shaft (17).
8.
Apply lubricating oil to gears, bushings, and shafts.
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