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SAFETY INSTRUCTIONS
TO AVOID SERIOUS OR FATAL PERSONAL INJURY
OR MAJOR PROPERTY DAMAGE, READ AND
FOLLOW ALL SAFETY INSTRUCTIONS IN THE
MANUAL AND ON THE PUMP.
This is a SAFETY ALERT SYMBOL. When
you see this symbol on the pump or in
the manual, look for one of the following
signal words and be alert to the potential
for personal injury or property damage.
Warns of hazards that WILL cause
DANGER
serious personal injury, death or major
property damage.
Warns of hazards that CAN cause
WARNING
serious personal injury, death or major
property damage.
Warns of hazards that CAN cause
CAUTION
personal injury or property damage.
NOTICE: INDICATES SPECIAL INSTRUCTIONS
WHICH ARE VERY IMPORTANT AND
MUST BE FOLLOWED.
THIS MANUAL IS INTENDED TO ASSIST IN THE
INSTALLATION AND OPERATION OF THIS UNIT.
THOROUGHLY REVIEW ALL INSTRUCTIONS AND
WARNINGS PRIOR TO PERFORMING ANY WORK
ON THIS PUMP.
MAINTAIN ALL SAFETY DECALS.
NOTICE: INSPECT UNIT FOR DAMAGE AND
REPORT ALL DAMAGE TO CARRIER
IMMEDIATELY.
UNIT NOT DESIGNED FOR USE
WARNING
WITH HAZARDOUS LIQUIDS OR
FLAMMABLE GASES.
Hazardous fluids can
cause fire, burns
or death.
This product can expose you to chemicals
WARNING
including Lead which is known to the state
of California to cause cancer or birth defects or other
reproductive harm. For more information go to: www.
P65Warnings.ca.gov.
DESCRIPTION and SPECIFICATIONS
The series 3656/3756 are single stage, end suction, cen-
trifugal pumps for general liquid transfer, booster appli-
cations, irrigation and general service pumping. Pumps
are available in three different materials of construction:
all iron, bronze-fitted and all bronze ("S" group only).
Pump impellers are fully enclosed, key driven and held in
position by an impeller bolt and washer. Casings are full
volute in design with replaceable wear rings.
Dependant on the pump size, the suction and discharge
connections will be threaded or flanged. Shafts are pro-
tected with stainless steel shaft sleeves.
Close-coupled units have NEMA standard JM or JP mo-
tors with C-face mounting and key driven shaft extension.
SAE drive units bolt directly to the engine flywheel hous-
ing for SAE sizes 1, 2, 3, 4 or 5. Optional elastomer ele-
ment couplings are available for 6½, 7½, 8, 10, 11½ and
14 inch flywheels. Frame mounted units can be coupled
to motors through a spacer coupling, or belt driven.
All manuals and user guides at all-guides.com
ENGINEERING DATA
Maximum Liquid Temperature:
Maximum Working Pressure (Fluid temperature dependant):
Maximum Suction Pressure: 100 PSI (689.5 kPa)
Starts per Hour: 20, evenly distributed
INSTALLATION
LOCATION
• Locate the pump as near liquid source as practical;
• Allow adequate space for servicing and ventilation.
• Protect the pump and piping from freezing tempera-
• Allow adequate space around the unit for service and
CLOSE-COUPLED UNITS
• Units may be installed horizontally, inclined or vertically
• The motor feet MUST be bolted to a substantial surface
• For vertical operation, the motor should be fitted with a
NOTICE: DO NOT INSTALL WITH MOTOR
212º F (100º C) – standard seal or packing
250º F (120º C) – Optional high temp. seal
– NPT connections, 200 PSI (1379 kPa)
– 125# ANSI flanged connections, 200 PSI (1379 kPa)
Group
Size
1½ x 2-6 (H)
1 x 2-7
2½ x 3-7
S
3 x 4-7
1 x 2-8
1½ x 2-8
2 x 2-5
2½ x 2½-5
LH
3 x 3-5
4 x 4-5
5 x 5-6
2½ x 3-8
3 x 4-8
4 x 5-8
1½ x 2-10
2½ x 3-10
M
3 x 4-10
4 x 6-10
2½ x 3-13
3 x 4-13
4 x 6-13
6 x 8-13
L
8 x 10-13
4 x 6-16
below level of liquid for automatic repriming capability.
Protect the unit from weather and water damage due to
rain, flooding or freezing temperatures.
tures.
ventilation.
with the motor above the pump.
(horizontal or vertical) that is capable of complete and
rigid support for the pump and motor. For L-Group
pumps, the motor adapter feet must also be bolted to
the supportive surface.
drip cover or otherwise protected against liquid enter-
ing the motor (rain, spray, condensation, etc.)
BELOW PUMP. ANY LEAKAGE OR
CONDENSATION WILL AFFECT THE MOTOR.
Suction
Discharge
2" NPT
1½" NPT
2" NPT
1" NPT
3" NPT
2½" NPT
4" Flange
3" Flange
2" NPT
1" NPT
2" NPT
1½" NPT
2" NPT
2" NPT
2½" NPT
2½" NPT
3" NPT
3" NPT
4" Flange
4" Flange
5" Flange
5" Flange
3" NPT
2½" NPT
4" Flange
3" Flange
5" Flange
4" Flange
2" NPT
1½" NPT
3" Flange
2½" Flange
4" Flange
3" Flange
6" Flange
4" Flange
3" Flange
2½ " Flange
4" Flange
3" Flange
6" Flange
4" Flange
8" Flange
6" Flange
10" Flange
8" Flange
6" Flange
4" Flange
3
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