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NOTE: Place a loose rag over the open vent port to pre-

vent large amounts of liquid from being sprayed

on the pump and adjacent equipment.

Care should be exercised if you

are pumping hot water or chemi-

cals to avoid personal injury.
Install and torque the vent plug to the values

provided in the “ENGINEERING DATA” sec-

tion of this manual. Close the drain plug pin

(1SV and SV only) and open the discharge

valve.

For installations with the liquid level below the

pump:

Install foot valve at suction end.
For models 1SV and SV only, it is necessary to

fully unscrew the pin located in the drain plug.

See figure on previous page.
With the provided plastic funnel, completely fill

the casing with liquid.
Install and torque the vent plug, close the drain

plug pin (1SV and SV only) and open the suc-

tion valve.

4. OPERATION

DO NOT OPERATE UNIT WITH-

OUT SAFETY GUARD IN PLACE.

TO DO SO CAN CAUSE SEVERE

PERSONAL INJURY.

NOTICE: PUMP MUST BE COMPLETELY PRIMED

BEFORE OPERATION.

DO NOT OPERATE PUMP AT OR

NEAR ZERO FLOW. TO DO SO

CAN CAUSE ExTREME HEAT,

DAMAGE TO THE PUMP, INJURY

OR PROPERTY DAMAGE.

Start the pump, keeping the on-off valve down-

stream from the pump closed. Open the on-off

valve gradually. The pump must run smoothly and

noiselessly. If necessary, reprime the pump. Check

the current absorbed by the motor and, if neces-

sary, adjust the setting of the thermal relay. Any air

pockets trapped inside the pump may be released by

loosening the fill plug, for the 1SV-4SV pumps, or by

turning the air screw for the 33SV-9SV pumps.

If a pump installed in a location

where freezing may occur remains

inactive, you must drain it through the drain plugs.

This operation is not necessary if a suitable anti-

freeze has been added to the water.

CAUTION

Hazardous machinery

can cause personal

injury or death.

WARNING

Extreme heat can

cause personal injury

or property damage.

WARNING

Make sure that the drained liquid does not

cause damage or injuries.

After stabilizing the system at normal operating

conditions, check piping for correct alignments. If

necessary, adjust pipe supports.

HAZARDOUS MACHINERY.

MOTOR THERMAL PROTEC-

TORS CAN RESTART MOTOR

UNExPECTEDLY AND WITH-

OUT WARNING, CAUSING

SEVERE PERSONAL INJURY.

See the “ENGINEERING DATA” section in this

manual for the recommended maximum pump starts

per hour.

DISCONNECT AND LOCKOUT

ELECTRICAL POWER BEFORE

ATTEMPTING ANY MAINTE-

NANCE. FAILURE TO DO SO

CAN CAUSE SHOCK, BURNS OR

DEATH.

MOTOR LUBRICATION

Recommended Motor Bearing Lubrication Intervals

Interval

Service Environment

1 – 2 Years

Light Duty in Clean Atmosphere

1 Year

8 – 16 hours/day – Clean, Dry Atmosphere

6 Months

12 – 24 hours/day – Moisture Present

3 Months

12 – 24 hours/day – Dirty, High Moisture

When lubricants are operated at elevated tempera-

tures, the lubrication frequency should be increased.
DO NOT intermix grease bases (lithium, sodium,

etc.). Completely purge old grease if changing grease

base.
Over greasing can cause excessive bearing tempera-

tures, lubricant and bearing failure.

1. Close all necessary suction and discharge valves.
2. Drain the liquid from the pump by removing the

lower drain plug and the upper vent plug.

3. Remove the coupling guards, the 4 coupling hex

cap screws, the coupling and coupling drive pin.

4. Remove the 4 motor hex cap screws. On units

with motor frames 13TC and larger, remove the

4 motor adapter flange hex cap screws. With an

WARNING

WARNING

Hazardous

machinery

WARNING

Hazardous

voltage

MECHANICAL SEAL OPTIONS

Code

Reference

No.

Rotary

Stationary Elastomers

Application

High

General

Temperature

Service

Carbon

Silicon

Viton

4 Silicon Carbide Carbide

Abrasive

Graphite Filled

Graphite

High

Filled

Temperature

EPR

Boiler Feed

Carbon