Ditch Witch Zahn - Manual (Page 78)

R150/R230/R300 Operator’s Manual
Service - 77
500 Hour
CMW
500 Hour
Adjust Ground Drive Pump Neutral
(R230/R300 only)
Adjust neutral on ground drive pump every 500
hours or if spring is rusted or worn. Check
adjustment with throttle at low speed and
hydraulic fluid at operating temperature. Ensure
all neutral components are working properly
before adjusting.
To adjust
1. Use a hoist or appropriate jack stands to
reaise unit until all tires are off the ground.
2. Loosen bolts (1).
3. Start unit and bring hydraulic fluid to
operating temperature.
4. Adjust throttle to full speed.
5. Disengage parking brake. Tires may turn.
6. Slowly rotate cam (2) until tires stop.
7. Tighten bolts.
8. Engage parking brake.
9. Shut down unit.
10. Lower unit to ground.
IMPORTANT: Tires may not come to a complete stop with unit raised. Adjust to achieve the least
tire movement possible.