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 Section III. ENGINE (GROUP 01)
( 24)
Straighten lock plates and remove
12. Engine Unit (Overall)
capscrews that secure yoke fitting to
a. Removal.
cross and bearing assembly and
(1)
Disconnect battery.
separate propeller shaft from yoke
(2)
Remove floor plates
fitting at transmission.
(3)
Remove mat support.
(25)
Disconnect transmission linkage at the
(4)
Remove hood. (Refer to TM 108980-
control valve (fig. 2).
222-20.)
(26)
Disconnect inlet and outlet hydraulic
(5)
Drain coolant from radiator and engine
lines at auxiliary hydraulic pump.
(27)
Remove the nut that secures engine to
(6)
Remove upper and lower radiator hoses
each rear engine support.
(Refer to TM 10-3930-22220.)
(28)
Remove nuts, washers, spacers,
(7)
Remove fan.
(Refer to TM 108989-
lockwashers and pads from front engine
222-20.)
mounting on each side of engine. After
(8)
Remove radiator (par. 35).
engine assembly is raised from
(9)
Drain engine oil.
supports, remove spacers.
(10)
Remove
four
capscrews
and
(29)
Using suitable hoist and chains, remove
lockwashers and separate the hydraulic
engine assembly, with the torque
pump drive shaft from the crankshaft
converter
and
the
transmission
pulley.
attached, from truck (fig. 3) and place
(11)
Disconnect the choke cable at the
on suitable stand.
carburetor.
(30)
Remove the transmission assembly
(12)
Disconnect the accelerator linkage at
(par. 38a).
the carburetor. Disconnect fuel tank to-
(31)
Remove the torque converter and
fuel pump line at fuel pump.
housing assembly (par. 43a).
(13)
Disconnect and tag battery lead wire at
b. Installation Reverse procedure in a above.
voltage regulator.
(14)
Disconnect and tag wire at temperature
13. Cylinder Head
sending unit.
a. Removal and Installation. Refer to TM 10-3930-
(15)
Disconnect and tag wire at oil pressure
222-20.
b. Inspection and Repair.
(16)
Disconnect and. tag hour meter wire at
(1) Inspect cylinder head (1, fig. 4) for cracks and
hour meter pressure switch.
sand holes after it is removed from block.
(17)
Disconnect and tag wire at coil.
(2) Place head on surface plate and check for
(18)
Disconnect and tag two wires at starting
warping by using a 0.012-inch feeler gage as a
motor solenoid switch.
go-no-go gage between head and surface plate.
(19)
Remove clip that secures the wiring
If gage goes, resurface or replace cylinder head.
harness to the starting motor.
(20)
Remove clips that secure the wiring
14. Oil Pan
harness at two places on the
a. Removal.
transmission housing.
(1) Remove drain plug (26, fig. 4) and gasket (27)
(21)
Disconnect and tag neutral switch wires
and drain the crankcase.
at transmission control valve (fig. 2).
(2) Remove assembled washer bolts (28).
(22)
Disconnect
and
tag
wires
at
(3) Remove oil pan and gaskets.
transmission
temperature
warning
b. Cleaning and Repair.
switch.
(23)
Remove capscrews and lockwashers
AGO 7010A
6
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