The Vacuum Pump and water valves are controlled by switches with indicators inside the cab.
TO UNLOAD:
- Open the desired valve
- Put Pump on Pressure
- Bring PTO to desired rating, the pump has an over speed feature. PTO speed is controlled by engine RPM
- When Unloaded, Decrease the RPM's
- Put Pump in Neutral
- Close Valve
TO LOAD:
- Put Pump on Vacuum
- Connect Hose
- Open Valve
- Bring PTO to desired rating
- When Loaded, decrease the RPM's
- Put Pump in Neutral
- Close Valve
- Vent Hose to Remove Easil.
If the unit has a Fire Pump, it is controlled like any fire pump from outside the cab at a driver side pump panel.
Pump is PTO Driven, tank vent automatically opens when pump is engaged.