Chapin EZ MOUNT 97300E Manuel D'utilisation page 8

TROUBLESHOOTING
CONDITION
Pump won't start
Pump will not prime
(No discharge with motor
running)
Pump will not shut-off
(output line closed and
no leaks)
Leaks from pump head
or switch
Pump makes noise, but
no output
Chapin Spot Sprayer Operator's Manual - English
CHECK/SOLUTION
Correct voltage (12 - 13V) and electrical connections
Fuse or breaker
Pressure switch operation
Rectifer or motor for open or grounded circuit
Locked drive assembly
Correct voltage at switch
Debris in strainer
Restriction (kinks) in inlet / outlet tubes
Debris / swelling in inlet / outlet valves
Air trapped in outlet line or pump head
Correct voltage to pump
Debris in pump inlet / outlet valves
Loose drive assembly or pump head screws
Pressure switch operations / adjustments
Loose screws at switch or pump head
Switch diaphragm ruptured or pinched
Punctured diaphragm if fluid is present
Prime with garden hose by removing intake hose and flood with water
while pump is running until water starts flowing (this may take up to 15
minutes to create suction).
To better understand the priming process see video at: https://www.youtube.
com/watch?v=lrNeAvNL7Fs or search "Priming the Pump on Your Chapin ATV
Sprayer" at Chapin International's YouTube page
7E