TM 9-2320-272-24-4
5-36. FUEL INJECTION PUMP MAINTENANCE (Contd)
b. Tappet and Plunger Removal
NOTE
Camshaft must be removed to perform this task.
Position fuel pump housing (14) bottom side up in vise.
1.
NOTE
l Cylinder number one is located at drive end of fuel pump.
l Step 2 covers the removal of tappet holder from cylinders one
and two. Remaining tappet holders are removed the same.
Install spring compressor clamp (1) on governor side of fuel pump hosing (14) with two washers (2)
2.
and screws (3).
Place spring compressor adapter (6) on shaft (5).
3.
Position shaft (5) and adapter (6) on the first two tappets (7).
4.
Position lever (4) on spring compressor clamp (1) and shaft (5).
5.
Depress lever (4), compressing both tappets (7).
6.
Turn knurled knob (11) on tappet holder (10) fully clockwise and apply GAA grease to ramp (12) and
7.
guide (9) on tappet holder (10).
While both tappets (7) are compressed, remove tappet holder (10) from side hole (8) of cylinders one
8.
and two.
NOTE
Repeat steps 2 through 8 until all tappet holders are removed.
Remove two screws (3), washers (2), spring compressor clamp (1), lever (4), shaft (5), and adapter (6)
9.
from fuel pump housing (14).
CAUTION
Keep cylinder parts together for replacement in their original
cylinder. Failure to do so may result in damage to fuel pump.
Remove six tappets (7), lower spring seats (15), plungers (16), and springs (20) from fuel pump
10.
housing (14).
Position control rack (13) to align control sleeve ball (17) with notch (21) on fuel pump housing (14).
11.
Remove six upper control sleeves (18) and upper spring seats (19) from fuel pump housing (14).
12.
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