TM 9-2320-272-24-4
5-36. FUEL INJECTION PUMP MAINTENANCE (Contd)
h. Tappet and Spring Installation
CAUTION
When performing step 1, ensure flats on tappet align with recess
on the lower spring seat. Failure to do so may result in damage to
fuel pump housing.
NOTE
This task covers installation of two tappets for cylinders number
one and two. Remaining tappets are installed the same.
Install two tappets (1) in mating cylinders.
1.
Install spring compressor clamp (3) on governor side of fuel pump housing (2) with two washers (4)
2.
and screws (5).
Place spring compressor adapter (8) on shaft (7).
3.
Position shaft (7) and adapter (8) on the first two tappets (1).
4.
Position lever (6) on spring compressor clamp (3) and shaft (7).
5.
Depress lever (6), compressing both tappets (1).
6.
Turn knurled knob (12) on tappet holder (13) fully counterclockwise and apply GM grease to
7.
ramp (11) and guide (10) on tappet holder (13).
While both tappets (1) are compressed, insert tappet holder (13) into side hole (9) of cylinders one
8.
and two.
NOTE
Repeat steps 1 through 8 until all tappets and tappet holders are
installed.
Remove two screws (5), washers, (4), spring compressor clamp (3), lever (6), shaft (7), and
9.
compressor adapter (8) from fuel pump housing (2).
Remove fuel pump housing (2) from vise.
10.
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