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 TM 9-2815-226-34-2
(1)
Install pipe plugs (22 and 56), in housing (38). Torque plugs to 5 - 8 ft lbs (7 - 11 Nm).
(2)
Install shims (34) on governor plunger (33).
(3)
Install torque spring (55), part no. 138781, by placing small diameter end of spring on governor
plunger (33) and twisting spring until fully seated.
(4)
Install governor plunger assembly (33), into governor barrel (42) in housing (38).
(5)
Place new gasket washer (7) and retaining washer (8) under head of air fuel control piston insert
(6).
NOTE
If bellows (9) has part number, number must face toward piston (10).
(6)
Install new bellows (9), AFC piston (10), and piston spacer (11) on air fuel control piston insert
(6).
(7)
Secure all components to air fuel control piston insert (6) with nut (5). Torque nut to 30 - 40 in.
lbs (3.4 - 4.5 Nm).
(8)
Apply light coat of lubricant to new plunger O-ring (30) in AFC plunger groove just below threads.
(9)
Screw AFC plunger (13) into fuel control piston insert (6) until threaded end of AFC plunger is
flush with outer edge of piston insert.
(10)
Screw jam nut (12) onto AFC plunger (13) finger tight. Nut will be tightened when pump is tested
and calibrated.
(11)
Install barrel spring (21) in housing (38).
(12)
Lubricate new 0-rings (17, 18, and 19) and install in grooves of barrel (20).
(13)
Press barrel (20) into housing (38) and secure with new retaining ring (16).
(14)
Check spring (14) for proper load as follows:
(a)
Measure free length of spring. Length must be 1.140 - 1.260 in. (28.956 - 32.004 mm).
Replace spring if it does not meet free length specification.
(b)
Place spring in spring tester and apply 7.00 lbs (31.13 N) load to spring. Note length of
spring while under this load.
3-327
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