TM 5-3810-300-24&P-3
1.7.7 ACCESSORY DRIVE
those in the drive coupling. Secure the accessory to
the flywheel housing with five bolts and lock washers.
NOTE: When installing or adjusting an
accessory drive belt(s), be sure the bolt at the
4. If accessory drive shown in Fig. 5 is used, assemble
accessory adjusting pivot point is properly
as follows:
tightened, as well as the bolt in the adjusting
slot. Tighten the 7/16"-14 (300M) pivot bolt to
a. Install accessory drive plate and spacer as outlined
72-77 lb-ft torque.
Tighten the 7/16"-14
in Steps 1 and 2 above.
(280M) pivot bolt to 46-50 lb-ft torque.
b. Place the drive shaft retainer on bed of arbor press,
5. Assemble the accessory drive shown in Fig. 4 as
mounting flange side up. Press ball bearing, with
follows:
protruding face of inner race towards retainer,
straight in until the bearing contacts the shoulder in
a. Press a new oil seal in the retainer, if the seal was
the bore of the retainer. Install the snap ring.
removed.
c.
Turn the retainer over and press the oil seal into the
b. Coat the mounting flange of the retainer lightly with
bore of the retainer with the lip of the seal towards
grease and place a new gasket against the flange.
the bearing.
Align the holes in the gasket with the bolt holes in the
flange.
d. Turn the retainer over again, bearing side up, and
press the accessory drive shaft in the bearing until
c.
With the accessory drive hub in place (see item 2
the shoulder on the shaft contacts the bearing.
above), slip the retainer and oil seal assembly over
the end of the shaft. Use care not to damage the oil
e. Apply a light coat of grease to the mounting flange of
seal. Secure the retainer to the flywheel housing
the retainer and place a new gasket in position
with five bolts and lock washers.
against the flange. Align the holes in the gasket with
the bolt holes in the flange.
d. Install the Woodruff key. Start the pulley straight on
the shaft, aligning keyway in pulley with key on shaft.
f.
Place the retainer and drive shaft assembly against
Use a soft hammer to tap pulley on the shaft.
the flywheel housing, rotating slightly, if necessary, to
permit teeth of the drive shaft to mesh with the teeth
e. Install washers and pulley retaining bolt and draw the
in the drive plate. Secure the retainer assembly to
bolt up tight.
the flywheel housing with five bolts and lock
washers.
f.
Install the accessory drive on the engine and slip the
drive belt over the pulleys. Position the accessory to
g. Install the Woodruff key in the drive shaft. Start the
provide proper tension on the belt and secure it in
pulley straight on the shaft, aligning the keyway in
place.
the pulley with the key on the shaft. Use a soft
hammer to tap the pulley on the shaft.
NOTE:
When installing or adjusting an
accessory drive belt(s), be sure the bolt at the
h. Thread the pulley retaining nut on the end of the
accessory adjusting pivot point is properly
drive shaft and draw it up tight.
tightened, as well as the bolt in the adjusting
slot. Tighten the 7/16"-14 (300M) pivot bolt to
i.
Install the accessory drive on the engine and slip the
72-77 lb-ft torque.
Tighten the 7/16"-14
drive belt over the pulleys. Position the accessory to
(280M) pivot bolt to 46-50 lb-ft torque.
provide proper tension on the belt and secure it in
place.
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