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TM 5-4320-308-13
4-15. TEST/REPLACE/ADJUST INJECTION PUMP (Continued)
5
Loosen extra fuel button jam nut (2) with socket
wrench, 30 mm, 668 335 00.
6
Using special wrench 606 000 00, slightly rotate
eccentric (1) until fuel just starts to emerge.
7
Tighten extra fuel button jam nut (2).
8
Block fuel hose (from fuel tank) using fuel shutoff
clamp 668 383 00.
9
Remove dial gage, with spill 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.
4-34
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