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 TM 10-3930-638-24&P
4-3. FUEL SYSTEM MAINTENANCE (cont)
b. Fuel Injection Pump (cont).
ITEM
REMARKS
STEP
LOCATION
ACTION
REASSEMBLY
NOTE
All parts must be flushed in clean diesel fuel as they are assembled.
a. Vent wire (132)
Install in vent
24
Hydraulic
head (81)
wire retainer (131)
b. Vent wire
In hydraulic head (81)
Install
retainer (131)
c. Two plug screws
Install
(130)
d. Plug screw (129)
Install
a. Nameplate (128)
Housing
Position
25
(133)
Install
b. Two screws (127)
c. Two bushings
Install
Use soft hammer
(134)
26
End plate
a. Seal (93)
Install
On sleeve (92)
(88)
b. Filter element (94)
Install
On sleeve (92)
c. Seal (95)
Install
On sleeve (92)
d. O-ring (96)
Install
On sleeve (92)
In sleeve (92)
e. Regulator
Install
spring (97)
f. Regulating
Install
On sleeve (92)
piston (98)
g. Seal (99)
Install
On regulating piston (98)
h. Sleeve (92)
In end plate (88); be careful not to disturb
Install
parts assembled to sleeve. Finger tighten
sleeve
i. Plug (91)
Install
In sleeve (92)
j. Seal (90)
Install
On plug (89)
k. Plug (89)
Install
27
Hydraulic
NOTE
head (81)
Pumping plungers are graded in four sizes A through D in either
standard or oversize. The correct grading letter is etched on the
rotor (123) base; if a "- 2" is also etched on rotor base, this
indicates an oversize pumping plunger is required. Absence of a
"-2" indicates a standard size plunger in either size A through
D, as etched on rotor base, is required.
4-115
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