TM 10-4320-310-14
6-9.
REPLACE/ADJUST INJECTION PUMP (Continued)
5
Loosen extra fuel button hexagon jam nut (2) with socket wrench.
6
Slightly rotate extra fuel device (1) until fuel drips at desired rate.
7
Tighten extra fuel device hexagon jam nut (2).
8
Block fuel hose (from fuel tank) using a C-clamp.
9
Remove dial gauge, with extra fuel device attached.
10
Remove delivery valve body (1) and copper washer (2).
11
Install filling piece with three shims (3) in delivery valve
holder (4).
12
Insert spring (5) in delivery valve holder (4).
13
Insert copper washer (2) in delivery valve holder (4).
14
Insert delivery valve (6) in valve body (1).
15
Insert delivery valve (6) and valve body (1) into delivery
valve holder (4).
NOTE
Verify that grooved end in the valve body enters the
Injection pump opening first.
16
Install new preformed packing (7), and then tighten delivery valve holder assembly into injection pump.
6-34