TM-9-2320-361-34
2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
MAY 1992
TM-9-2320-361-34 - Page 141 of 764
TM 9-2320-361-34
5-4. FUEL INJECTION PUMP REPLACEMENT (Contd)
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
5-10
Disconnect crankcase-to-fuel injection pump pressure oil hose (17) from tee (16) at bottom of fuel
injection pump (30).
Disconnect fuel return-to-fuel injection pump overflow valve tube (4) from tee (7).
Disconnect fuel filter outlet-to-fuel density compensate inlet tube (10) from tee (9) at compensator (8).
Disconnect fuel transfer pump-to-fuel filter inlet tube (11) from elbow (12) at transfer pump (13).
Disconnect fuel injection pump-to-fuel filter fuel return tube (6) from elbow (5).
Disconnect transfer pump-to-flame heater fuel filter tube (14) from adapter (15).
Aline timing mark (20) on crankshaft damper (22) with timing pointer (19).
Remove three screws (l), lockwashers (2), retaining plate (3), and drive gear (21) from drive
gear
hub (18). Discard lockwashers (2).
Straighten lockplate (25) and remove two screws (26), lockwashers (27), and lockplate (25) from
bracket (28) and fuel injection pump (30). Discard lockwashers (27) and lockplate (29).
Remove two screws (29), Iockwashers
(24),
and bracket (28) from crankcase (23). Discard lock-
washers (24).
Remove two screws (37), lockwashers (36), screw (38), and fuel injection pump (30) from
adapter (35). Discard lockwashers (36).
Install fabricated tool on hub
(18)
with two screws
(31).
Hold hub (18) and remove nut (34) and lockwasher (33) from fuel injection pump. Discard
lockwasher (33). Remove two screws (31) and tool.
Remove drive gear hub (18) from timing device shaft (32).
Remove gasket (39) from adapter (35). Discard gasket (39).
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