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TM 5-4320-308-13
4-15. TEST/REPLACE/ADJUST INJECTION PUMP (Continued)
8
Unscrew delivery valve holder (1) and
remove spring (2) filling piece with three
shims (3), copper washer (4), delivery
valve (5), and valve body (6).
9
Insert copper washer (4) and delivery
valve body (6) only into spill device 604
837 00.
10
Thread spill device into injection pump
with spill pipe in up position, and then
secure in place.
NOTE
Additional copper washers may be necessary to attain the spill pipe in the up position when
the spill device is tightened.
11
Install dial indicator 612 087 00 with adapter pin 1.64-inch (41 mm) long attached, into spill device, and pre-tension
approximately 1 mm (one rotation of dial indicator hand).
12
Remove fuel shutoff clamp 668 383 00 from fuel hose.
NOTE
Fuel emerging from the spill pipe on spill device 604 837 00 must be bubble free.
13
Move the throttle control hand lever to the HIGH position.
Adjustment of Delivery End:
NOTE
The position of TDC (2) and end of delivery (3) are marked on the flywheel. The
corresponding (alignment) mark (4) is on the right upper side of the crankcase.
1
Slowly rotate flywheel counterclockwise (when facing flywheel) until no fuel emerges from spill pipe on spill device
604 837 00.
2
Continue to very slowly rotate flywheel, while frequently blotting spill pipe with rag to absorb fuel, until fuel just
begins to weep from spill pipe.
4-31
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