TM 5-5420-226-20-3
TRACK DRIVE SPROCKET REPAIR AND REPLACEMENT (Sheet 9 of 9)
4.
Mount sprocket and hub assembly onto final drive studs (B).
Apply lubricant to nut and bushing assemblies (A).
5.
Screw 10 new nuts and bushing assemblies (A) onto studs (B).
6.
7.
Using 1-1/2 inch socket with extension and impact wrench, tighten nuts
alternately (in crisscross pattern.
Using torque wrench and extension, wet torque nuts in a two step procedure:
8.
a. Step 1. 100-150 lb-ft(l36-203 N·m).
b. Step 2. 450-460 lb-ft(610-624 N·m).
9.
install track on rear sprocket.
End of Task
l4-64 Change 3
