Ditch Witch FX20 - Manual (Page 78)

FX20 Operator’s Manual
Service - 77
As Needed
CMW
As Needed
Vacuum System
Adjust Blower Belt Tension
1. Turn off engine.
2. Loosen 4 bolts (2) from underneath skid.
3. Loosen u-bolt (4) to allow blower to slide.
4. Insert prybar in hole (3) and move blower
until belt is tight.
5. Apply moderate thumb pressure to belt
between pulleys. Belt is properly tensioned
when deflection is about 1/4” (5-8 mm).
6. Tighten 4 bolts and u-bolt.
7. Verify tensioner (1) is set with the fixed bar
3.5 lines from the bottom of the scale on the
tensioner arm.
Location Task Notes
Vacuum
System Adjust water pump belt tension
Change water pump filter
Adjust blower belt tension
Lube blower for longterm storage
Change blower relief air filter
Debris Tank Clean primary shutoff valve
NOTICE: Over-tightening blower drive belts may result in premature blower shaft or engine bearing
failure. Follow recommended procedure to ensure maximum component life.