TROUBLESHOOTING
DISCONNECT power cord before removing motor cover for service. Electrical service
should be performed by trained personnel only.
PROBLEM
Loud or excessive noise
Motor does not work;
fan does not turn
Motor runs; fan turns,
output shaft does not
Motor overheats and
shuts off and on
Phenolic gear is stripping
HAZARDOUS VOLTAGE
POSSIBLE CAUSE
Worn ball bearings
Damaged bearing brackets or
tolerance rings
Insufficient gear lubrication
Worn gears or gear posts
Faulty electrical supply
Bearing brackets broken
Damaged motor coil
Worn or damaged rotor bearings
Damaged power cord
Rotor bound or rusted to coil
Faulty wire connections
Obstructed fan
Worn or damaged gears
Incorrect voltage
High ambient temperature
Damaged/malfunctioning coil
Water intrusion
Cracked bearing bracket
Worn gear posts
Rusted helical gear at end of rotor
Worn or cracked gear case cover
Missing phenolic gear spacer
Insufficient lubrication
US and Canada 800.683.2378, International 904.641.1666
MOTOR
SOLUTION
Replace rotor assembly
Replace bearing brackets and
tolerance rings
Apply AquaShield
Inspect and/or replace gears and gear posts
Check electrical supply
Replace bearing brackets
Replace motor coil
Replace rotor assembly
Inspect and/or replace power cord
Buff off coil and rotor or replace
Inspect and/or repair electrical connections
Remove obstruction
Replace gears as needed
Check voltage and frequency matches
pump label
Pumps are rated to 125˚F (51 °C) maximum
Replace motor coil
Use rain roof, replace phenolic gear &
all affected components
Replace bearing bracket & phenolic gear
Replace gear posts & affected gears
Buff off rotor or replace rotor,
replace phenolic gear
Replace gear case or gear case cover
Replace phenolic gear and install spacer on
top of gear
Apply AquaShield
gear posts
™
to gears and gear posts
to gears and
™
Classic Series
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