Power Fist 8207441 Manuel Du Propriétaire page 6

V 2.0
Problem
The pump cannot pump
The water flow is too low
Power consumption is too large
Sudden loss of flow
Vibration or noise
6
1-1/2 in. Gas Powered Water Pump
TROUBLE SHOOTING
Cause
Not enough water to prime
Inlet pipe leakage
Pump speed is too low
The filter is obstructed
The pump's capacity is exceeded
The seal was damaged and leaks air
The filter, pipeline or impeller is choked
The speed is low
Impeller or seal is worn
Inlet pipe leakage
Impeller damage and leakage
Total head is too high
There is air in the pump or inlet, air leak
into the seal
Speed of engine is not stable
There is friction between the impeller and
flow guide
The impeller is obstructed by
foreign objects
The inlet pipe connector is loose
or leaking
Suction head is too high
Suction head is too high
Output of water is too large
Inlet pipe is obstructed by foreign body
so the resistance is too large
A rotary part is loose
Pump mounting is unstable
There is air built up in the
pump or pipeline
Impeller damage
Solution
Add more water to the pump
Check the inlet pipe and pipe connection.
Change pipe or tighten.
Check speed
Check and clean up
Check the position of the installation
Change the machinery seal
Clean the obstruction
Increase the speed
Adjust the gap or change the impeller
and machinery seal
Check inlet pipe and pipe connection, change
the pipe or tighten
Replace impeller
Check and adjust
Unscrew the air drain screw cock, and eliminate
the air. Check the pipeline or change machinery
seal
Adjust the speed of the engine
Listen and see if the impeller is contacting the
case, adjust accordingly
Check and clean
Check the inlet pipeline and remedy
Check the suction head and lower the
position of the pump
Check the suction head and lower the position
of the pump
Decrease the output of the water
Check the inlet pipe and filter net, clean if
necessary
Listen carefully and inspect the part that causes
the noise. Stop the machine to adjust
Stop the machine, check and adjust
Unscrew the drain cock and expel the air
Stop the machine. Check and replace the impeller
For technical questions call: 1-800-665-8685
8207441