TM 5-3895-374-24-1
GP322FF
12.
The two pillow block bearings and the drive shaft may now be removed. Remove the four bolts, nuts and
washers holding each of these bearings in place. The shaft assembly may be removed as one piece.
13.
Measure the position of each of the bearings and the sprocket on the shaft and record this on a drawing of this
assembly Follow the bearing manufacturer’s instructions In Section 3-3-13 to remove and disassemble the
bearings. Note that the fixed bearing Is next to the gear box.
14.
If the drive sprocket or shaft is to be replaced, remove the sprocket from the shaft by loosening the set
screws. The sprocket may now be removed from the shaft.
15.
The two pillow block bearings and the idler shaft may now be removed. Remove the two bolts, nuts and
washers holding each of these bearings in place. Mark one bearing and Its mount so that this assembly can
be reinstalled properly. The shaft assembly may be removed as one piece.
16.
Measure the position of each of the bearings and the sprocket on the shaft and record this on a drawing of this
assembly Follow the bearing manufacturer’s instructions In Section 3-3-13 to remove and disassemble the
bearings.
17
If the idler sprocket or shaft Is to be replaced, remove the sprocket from the shaft by loosening the set screws
The sprocket may now be removed from the shaft.
18.
The bearing adjustment brackets may be removed by removing the bolts holding them in place.
19.
The chain guide under the center of the drum is removed by removing the six bolts holding it in place.
20.
The drum sprocket is in three segments for ease of replacement. Remove the bolts holding the sprocket
segments in place. These bolts are removed by cutting off the bolt head. Remove each sprocket section after
the bolts holding it have been cut. Use a punch and hammer and knock the bolt stub into the drum. Remove
the old hardware from the drum prior to completing the repair.
B.
Inspection
1.
Inspect all components that have been removed for wear or damage.
2.
Inspect the drive belts and replace the complete set if any belt is found to be damaged or broken. Check the
length of each belt in the set to determine if they are identical. Replace the belts with a matched set If one belt
is found to have a different length than the others.
(page 3-558)
