Ditch Witch JT922 - Manual (Page 140)

JT922 Operator’s Manual
Service - 139
50 Hour
CMW
Check and Adjust Engine Belt Tension
Check belt tension every 50 hours. Belt is properly
tensioned when it moves about 3/8” (10 mm) when
pushed at the long span (A).
To adjust belt, move tensioner pulley:
1. Loosen socket bolt (2) and bolt (1).
2. Use a prybar in slots (3) to move pulley.
3. Tighten socket bolt (2) and bolt (1).
4. Check tension.
Clean Alternator Cooler Turbine
Clean the alternator cooler turbine every 50 hours.
Remove side panel and use compressed air to
blow dirt and debris from fins (shown).
Note: Boltheads are hidden. Use an 8 mm hex
wrench, 17 mm open end wrench, and a 1/2”
prybar for this procedure.