18
TROUBLESHOOTING (CONTINUED)
MAINTENANCE
/
REP
AIR
OPERA
TION
ASSEMBL
Y /
INST
ALLA
TION
SAFETY
/
SPECIFICA
TIONS
GETTING
ST
ARTED
TROUBLESHOOTING
Symptom
Possible Cause(s)
Corrective Action
Low flow rate
1. Strainer partially clogged 1. Remove the strainer
coverplate. Remove
and clean the strainer.
Install again
2. Poor connections
or low voltage
2. Make sure electrical
connections are secure.
Also check battery voltage
3. Fuel tank empty
3. Fill tank
4. Suction pipe clogged
or damaged
4. Remove pump from tank.
Inspect suction pipe. Clean
or replace, as necessary
5. System air leak
5. Tighten all pump fittings and
connections. Inspect suction
pipe for leaks or damage.
Replace, as necessary
6. Using off-the-shelf
automatic nozzle
6. Factory-supplied automatic
nozzle is recommended
Motor stalls when
operating in bypass
mode
1. Motor protector activated 1. Turn off switch. Allow motor
to cool, then turn on switch
2. Wiring defective
2. Use Wiring instructions in the
Installation Section to ensure
proper connections
3. Bypass poppet binding
or damaged
3. Using instructions in the
Repair Section, remove the
bypass poppet, spring and
O-ring. Clean cavity. Inspect
components and replace,
as necessary
4. Motor damaged
4. Replace pump
