Product Manual

21
Buffalo Series • Rev. 2/4/2016
QUICK DIAGNOSTICS AND SOLUTIONS GUIDE
PUMP
TYPE OF OIL
EK Pump
Hydraulic 68 (650ml)
GP Pump
30W SAE Non-Detergent
PROBLEM
POSSIBLE CAUSES
SOLUTIONS
PRESSURE
No pressure
or
Very low pressure
Metal in oil
- Examine oil in pump to see if there is metal in the oil.
- If you find traces or pieces of metal, your pump
has damaged components.
Dirt in water
- Verify if there is dirt in nozzle tip or in valves in the
pump.
- If nozzle is plugged, clean it or replace it.
- If valves in pump are clogged, clean valves.
- If the valves in pump are damaged or pitted,
replace valves.
Wrong nozzle size
- Make sure you have the right nozzle size. The black
nozzle will drop pressure in order to use chemical injector
and is only for soap or chemical. If you are not using
soap, use a different color.
Pressure too high
Wrong nozzle size
- Make sure you have the right nozzle size.
Unloader adjusted improperly or
damaged
- Check pressure of pump with a pressure gauge
and adjust to desired pressure.
- If you cannot reduce pressure, replace unloader.