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Wiring and Grounding
Install, ground and wire according
WARNING
to local and National Electrical Code
Requirements.
Install an all leg electrical power
disconnect switch near the pump.
Disconnect and lockout electrical
power before installing or servicing
Hazardous voltage
the pump.
can shock, burn or
cause death.
Electrical supply MUST match
pump's nameplate specifications. In-
correct voltage can cause fire, damage
motor and void the warranty.
Motors without built-in protection MUST be provided
with contactors and thermal overloads for single phase
motors, or starters with heaters for three phase motors.
See motor nameplate.
• Use only copper wire to motor and ground. The ground
wire MUST be at least as large as the wire to the motor.
Wires should be color coded for ease of maintenance.
• Follow motor manufacturer's wiring diagram on the motor
nameplate or terminal cover carefully.
FAILURE TO PERMANENTLY
WARNING
GROUND THE PUMP, MOTOR AND
Hazardous
CONTROLS BEFORE CONNECTING
voltage
TO ELECTRICAL POWER CAN CAUSE
SHOCK, BURNS OR DEATH.
Rotation
NOTICE: INCORRECT ROTATION MAY CAUSE
DAMAGE TO THE PUMP AND VOIDS
THE WARRANTY.
• Correct rotation is right-hand, CLOCKWISE when viewed
from the motor end. For frame mounted units, switch power
on and off quickly to observe rotation. On close coupled
units, remove motor end plug or cover to observe rotation.
• To reverse three phase motor rotation, interchange any two
power supply leads.
Operation
DO NOT OPERATE FRAME
WARNING
MOUNTED OR SAE UNITS WITHOUT
SAFETY GUARDS IN PLACE OR
SEVERE PERSONAL INJURY MAY
RESULT.
Hazardous machinery
can cause personal
injury or death.
SPLASHING OR IMMERSING OPEN
WARNING
DRIP PROOF MOTORS IN FLUID
CAN CAUSE FIRE, SHOCK, BURNS OR
DEATH.
Hazardous voltage
can shock, burn or
cause death.
All manuals and user guides at all-guides.com
NOTICE: NO NOT RUN PUMP DRY OR SEAL
• After stabilizing the system at normal operating conditions,
• On frame-mounted units, coupling alignment may have
Hazardous pressure
can cause personal
injury or property
damage.
Hazardous fluids can
cause personal injury
or property damage.
CloSE-CoUPlED UniTS
• Bearings are located in and are part of the motor. For lubrica-
frAmE-moUnTED UniTS
• Model 3756 S-group has greased for life bearings.
• Model 3756 M or L-group bearing frame and SAE drive
• Follow motor or engine and coupling manufacturer's lubri-
• Recheck alignment.
OPERATION AT OR NEAR ZERO
WARNING
FLOW CAN CAUSE EXTREME HEAT,
PERSONAL INJURY OR PROPERTY
DAMAGE.
Extreme heat can
cause personal injury
or property damage.
DAMAGE WILL RESULT.
check the piping. If necessary, adjust the pipe supports.
changed due to the temperature differential between pump
and motor. Recheck alignment following procedures and
hazard warnings in "COUPLING ALIGNMENT" section
of this manual.
Maintenance
FAILURE TO DISCONNECT AND
WARNING
LOCKOUT ELECTRICAL POWER
BEFORE ATTEMPTING ANY
MAINTENANCE CAN CAUSE SHOCK,
BURNS OR DEATH.
Hazardous voltage
can shock, burn or
cause death.
FAILURE TO RELIEVE SYSTEM
CAUTION
PRESSURE AND DRAIN SYSTEM
BEFORE ATTEMPTING ANY
MAINTENANCE CAN CAUSE
PROPERTY DAMAGE, PERSONAL
INJURY OR DEATH.
IF PIPING HAZARDOUS OR TOXIC
WARNING
FLUIDS, SYSTEM MUST BE FLUSHED
PRIOR TO PERFORMING SERVICE.
tion information, refer to motor manufacturer's instructions.
No regreasing is possible or necessary.
bearing frame should be regreased every 2,000 hours or
at a three month interval, whichever occurs first. Use a #2
sodium or lithium based grease. Fill until grease comes out of
relief fittings, or lip seals, then wipe off excess.
cation instructions.
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