1
Weight retainer
4
Special tool
1
Cap and filter element
3
Plug
2
Cam ring
5
Special tool
2
Special tool
4
End plate
3
Distributor rotor
Figure 3-22. End plate sleeve, removal points.
Figure 3-23. Transfer pump distributor rotor,
c. Cleaning, Inspection, and Repair.
the appropriate puller or arbor press for gar or seal
removal.
(1) Clean all parts and dry thoroughly before
(2) Reassemble the pump in reverse order,
inspection or reassembly.
using a locally manufactured seal tamping guide (sheet 2
(2) Inspect all parts for visible signs of wear or
damage. Try for fit of mating parts to assure that
installation of seals (10 and 14, fig. 3-4).
surfaces perform their function. Inspect transfer pump
blades for chipping or pitting of radii. Determine wear by
NOTE
measuring blade length at 1.0930 inches. Inspect flat
Soak seals in a solution of 1/2 SAE30
surfaces for uniform polishing. Replace both blades
oil and 1/2 diesel fuel to soften and
when one is defective. Assure that all moving parts have
facilitate installation.
freedom of movement without excessive looseness.
Inspect drive shaft tang for a distance across flats of
c. Cleaning, Inspection, and Repair.
0.305 inch. When tang measurement is less, replace the
shaft.
(1) Clean all parts using any process required
(3) Repair by replacing all defective parts
to thoroughly clean, but not damage the part. Dry
Replace all packings and gaskets at reassembly.
thoroughly.
Replace defective mounting hardware.
(2) Inspect transfer pump gears for chipped,
pitted, broken, or worn teeth. Replace defective gears.
3-18. Fuel Transfer Pump for Engine Model D333TA
(3) Inspect shaft and bearings for scoring,
damage, or wear. Replace scored or damaged shaft
a. Removal and Installation.
and bearings.
The bore of new bearings should
(1) Remove pump supply line from top of
measure between 0.4950 and 0.4956 inch, and the
transfer pump (TM 5-3810-201-12).
diameter of a new shaft should measure between 0.4936
(2) Remove fuel supply line from transfer
and 0.4938 inch.
The specified shaft to bearing
pump (TM 5-3810-201-12).
clearance is between 0.0012 and 0.0019 inch. Replace
(3) Remove four bolts, lockwashers, and
bearing and/or shaft when clearance exceeds 0.003
flatwashers that secures pump to the accessory drive
inch.
housing.
(4) Inspect gear cover for scoring or other
(4) Remove pump by pulling it outward from
damage. Measure for clearance. The specified gear to
accessory drive housing.
cover clearance is between 0.0010 and 0.0022 inches.
(5) Install fuel transfer pump by reversing the
Replace gear(s) and/or cover when clearance exceeds
procedures in steps (1) through (4) above.
0.0085 inches.
(5) Inspect pump body, cover, or seat for
b. Disassembly and Reassembly.
cracks or breaks. Repair by welding, or replace a
defective part.
(1) Refer to figure 3-24 and disassemble the
fuel transfer pump in numerical sequence, using
AGO 20051A
3-32
