Service - 142 JT5 Operator’s Manual
100 Hour
CMW
Check Fan Belt Tension
Check pump drive belt tension every 100 hours.
1. Turn off engine and remove key.
2. Apply moderate thumb pressure to top of
belt.
Belt is properly tensioned when deflection (A)
is 1/4-3/8” (7-9 mm). To adjust, see
page 148.
