TM 10-8145-222-23
0038
REPLACE CONTINUED
NOTE
Loosening the nut securing the idler pulley will make the idler spring compression
easier to accomplish.
9. Loosen nut (Figure 4, Item 1) on idler pulley (Figure 4, Item 2). Do not remove nut at this time.
NOTE
A tensioner adjusting bolt is installed in the V-belt tensioner in order to remove the
tension on the belt, allowing belt removal. As the bolt is tightened, tension on the idler
spring will become less and will subsequently lessen the tension on the V-belt.
10. Tighten tensioner adjusting bolt (Figure 4, Item 3) in V-belt tensioner (Figure 4, Item 4) until idler spring is fully
compressed.
11. Remove nut (Figure 4, Item 1) and lock washer (Figure 4, Item 5). Discard lock washer.
12. Remove idler pulley (Figure 4, Item 2) and V-belt (Figure 4, Item 6) together.
13. Remove V-belt (Figure 4, Item 6) from remaining pulleys (Figure 4, Item 7 and Item 8).
Install
1. Tighten tensioner adjusting bolt (Figure 4, Item 3) in V-belt tensioner (Figure 4, Item 4) until idler spring is fully
compressed and remove pulley, if not already accomplished.
2. Install new V-belt (Figure 4, Item 6) and wrap it around two pulleys (Figure 4, Item 7 and Item 8) so that it hangs
freely over each.
3. Install idler pulley (Figure 4, Item 2) onto shaft (Figure 4, Item 9) so that V-belt (Figure 4, Item 6) wraps around
pulley (Figure 4, Item 2) and secure using new lock washer (Figure 4, Item 5) and nut (Figure 4, Item 1). Do not
tighten nut at this time.
NOTE
As the tensioner adjusting bolt is loosened, tension on the idler spring will increase,
allowing tension on V-belt to increase.
4. Loosen tensioner adjusting bolt (Figure 4, Item 3) from V-belt tensioner (Figure 4, Item 4) and tighten locking
nuts to prevent movement of tensioner adjusting bolt.
5. Tighten idler pulley (Figure 4, Item 2) and nut (Figure 4, Item 1) in accordance with torque specifications (WP
6. Check that V-belt tension is between 30-40 pounds by performing V-belt Tension Check per this WP.
If V-belt tension is between 30-40 pounds, proceed to step 7.
If V-belt tension is not between 30-40 pounds, replace V-belt per this WP.
0038-3
