TM 9-2815-225-34&P
3-62. FUEL PUMP MAIN HOUSING REPAIR (Contd)
LOCATION/ITEM
ACTION
REMARKS
a. Disassembly (Contd)
6.
Fuel adjusting screw (49)
Remove from throttle shaft (50).
Discard O-ring (48).
and O-ring (48)
7.
Setscrew (46)
Remove from stop (47).
8.
Throttle shaft (50)
Remove from stop (47).
9.
AFC needle valve (29)
a. Loosen nut (31).
b. Remove valve (29) and O-ring (30).
Discard O-ring (30).
c. Remove nut (31) from valve (29).
10.
Threaded stud (32)
a. Remove from housing (38).
b. Remove from jamnut (12).
11.
Jamnut (12)
Remove from tapered stud (54).
12.
Tapered stud (54)
Remove from housing (38).
13.
Filter screen cap (28),
Remove from filter housing (38).
Discard cap seal ring (27).
cap seal ring (27), filter
spring (26), and fuel
filter screen (25)
14.
Check valve (58)
Remove from fuel control cover (4).
15.
Two screws (1), drilled
Remove fuel control cover (4)
head screw (2), and three
from housing (38).
washers (3)
16.
Bellows (9)
Carefully lift away from sealing
surface of housing (38) and
remove with attached parts.
17.
Spring (14) and AFC shim
Remove from housing (38).
(15)
18.
Retaining ring (16)
Remove from housing (38).
Discard retaining ring (16) if
damaged during removal.
19.
Barrel (20) and four(59).
Remove from housing (38).
Use AFC barrel puller (3375599)
O-rings (17), (18), and (19)
Discard O-rings (17), (18), and (19).
20.
Barrel spring (21)
Remove from housing (38).
Earlier pump models did not
require a barrel spring (21).
21.
Jamnut (12)
Remove from throttle plunger (13).
22.
Throttle plunger (13) and
Remove from air fuel control
Discard O-ring (30).
O-ring (30)
piston insert (6).
23.
Nut (5), air fuel control
Remove nut (5) from air fuel control
Discard gasket washer (7) and
piston insert (6), gasket
piston insert (6) and separate
bellows (9).
washer (7), retainer washer
all parts.
(8), AFC piston (10), and
piston spacer (11)
3-428
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