Specifications

DFP4 2011 Operation Manual

1. Visually inspect the entire V-belt for damage

2. Replace damaged V-belts

3. After installing new belts, turn on the engine and let it run for about 15 minutes

4. Turn off the engine and check the belt tension

5. Place the indicator arm (1) into the gage

6. Position the guide (3) on the V-belt (2), midway between pulleys, with the stop

against the edge of the belt

7. Push slowly on the black pad (4) at right angles toward the V-belt (2) until the

spring is heard or is felt being triggered.

8. Carefully remove the gauge without altering the position of the indicator arm (1)

9. Read off the value on the gauge where the black indicator arm (1) intersects with

the scale (5). For settings see section 9.1

10. If necessary, pretension the belt and measure again