TM 9-2320-272-24-4
5-37. FUEL INJECTION PUMP CALIBRATION (Contd)
c. Lock Timing
NOTE
Fuel pump must be phased (timed) before performing this task.
Refer to task b.
1.
Remove access plug (7), washer (8), and timing pin (3) from timing plate (2).
2.
Rotate test stand drive (9) until number one cylinder is at port closure.
3.
Rotate test stand drive (9) in correct pump rotation 8 from cylinder one port closure.
4.
Timing tooth (11) should be aligned with timing pin access hole (10).
NOTE
Perform steps 5 through 11 if drive pointer is not aligned with
timing pin access hole.
5.
Remove governor cover from governor housing (para. 5-34).
6.
Remove two breakoff screws (6), lockwashers (5), washers (4), and timing plate (2) from governor
housing (1). Discard lockwashers (5) and breakoff screws (6).
7.
Remove governor flyweight and driver from fuel pump (para. 5-35).
8.
Install timing plate (2) on governor housing (1) with two washers (4), new lockwashers (5), and new
breakoff screws (6).
NOTE
l Align driver so timing tooth aligns with timing pin access hole.
l Timing plate can be adjusted up or down for final alignment.
9.
Install governor flyweight and driver on fuel pump (para. 5-35).
10.
Install timing pin (3) in timing plate (2) with slot of timing pin (3) facing timing tooth (11).
11.
Install washer (8) and access plug (7) on timing plate (2).
12.
Tighten breakoff screws (6).
13.
Install governor cover on governor housing (para. 5-34).
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