TM 5-3895-374-24-1
GP322FF
5.
Install the bearing adjustment brackets that support the idler shaft bearings. Adjust these brackets Inward,
evenly, toward the drum, to allow the chain when installed to be loose.
6.
Assemble the sprocket and bearings onto the Idler shaft taking care to position the fixed bearing on the
correct side. Assemble the bearings according to instructions in Section 3-3-13. Position the components
according to the drawing of this assembly made earlier.
7.
Install the idler shaft assembly onto the bearing adjustment brackets Confirm that the markings placed on this
assembly match. Align the idler sprocket with the drum drive sprocket prior to tightening the fasteners.
8.
Assemble the sprocket and bearings onto the drive shaft taking care to position the fixed bearing on the
correct side Assemble the bearings according to Instructions in Section 3-3-13. Position the components
according to the drawing of this assembly made earlier.
9.
Install the drive assembly onto the supports. Install the fasteners and hand tighten. Align the drive sprocket to
the drum sprocket Torque the bearing bolts and recheck the sprocket alignment to confirm that it is correct.
10.
Install the drive chain. Do not clean or wash new chain as it may be pre-lubricated by the manufacturer. The
chain ends can be easily connected where the chain meshes with the drive sprocket The chain pin is slightly
larger than the link plate aperture. Drive the pin In place with a hammer. Install the pin lock and bend it to
prevent it from falling out.
11.
Install the lower chain guard and the four wedge shaped chain guards under the drum.
12.
Install the idler guard complete with the chain oiler assembly Adjust the brush so that It contacts the chain. Fill
the oil reservoir and open the valve slightly. Bolt the two slot cover plates into position
13.
Install the drive guard on the drive side. Bolt the two slot cover plates onto the guard.
14.
Install the shaft mounted torque-arm reducer following the procedure for installation in Section 3-3-5. Add the
correct oil to the reducer as necessary. Install the sheave following the instructions in Section 3-3-14.
15.
Bolt the electric motor into place on the frame. The ground strap must be reinstalled to the motor. Install the
sheave according to the Instructions in Section 3-3-14.
(page 3-560)
