Bell & Gossett DN0130D Domestic Pump 250°F Condensate Units Series SA-PT - Manual (Page 7)

7
DEALER SERVICING
If trouble occurs that cannot be rectified, contact your local
B&G representative. He will need the following information in
order to give you assistance.
1. Complete nameplate data of pump and motor. SEE RATING
NAMEPLATE.
2. Suction and discharge pipe pressure gauge readings.
3. Ampere draw of the motor.
4. A sketch of the pump hook-up and piping.
1. Close pump isolation valve or system return line valve.
Operate pump momentarily to discharge as much water as
possible. Close pump discharge valve.
2. Shut-off and lock out power.
3. Make sure unit is cool enough that pump can be handled
safely. Open drain to remove remaining liquid.
4. Carefully remove pump drain plug and bleed line. Wait for
complete drainage.
5. Loosen both the discharge connection and the suction
housing to pump volute fasteners. Assure that pressure is
relieved per caution note.
6. Complete the removal of the above hardware. Remove
pump/motor assembly and place on work bench.
7a. Remove the suction housing capscrews and separate the
pump/motor assembly from the suction housing. Note, the
diffuser should separate from the suction housing to allow
the pump/motor assembly to be removed.
7b. Remove propeller, propeller stem and diffuser from the
assembly as follows:
(1) Threaded Motor Shafts (3Hp and less). Remove pro-
peller lock nut. Remove propeller with propeller stem as
an assembly with the diffuser. To install a new propeller,
remove the propeller set screws and separate from the
stem.
(2) Keyed Motor Shafts (5Hp and larger). Remove propeller
set screws. Remove propeller, remove diffuser, and
unscrew the propeller stem.
Morton Grove, Illinois 60053
TM
TM SERIES
MODEL
SERIAL
GPM PSI PUMP
CFM IN HG. PUMP
DWGS
POWER V. PH. HZ60
CONTROL V. PH. 1 HZ60
TOTAL LARGEST MOTOR
F.L. AMP F.L. AMP
DN0016
PUMP SERVICE INSTRUCTIONS FOR SERIES B35 PUMPS
AS USED ON SA & SA-P UNITS
CAUTION: PRESSURIZED SYSTEM
Operating system may contain very hot water and
steam under pressure. Close inlet and open drains before
servicing. When servicing, loosen screws and move compo-
nents to assure pressure is relieved before removing screws.
Keep drains open during servicing. Failure to follow these
instructions could result in injury or property damage.
CAUTION: HOT SURFACES
Surfaces are hot when system is in operation. Do not
touch hot receiver, let unit cool before servicing. Failure to
follow these instructions could result in serious injury or
death.
WARNING: HIGH VOLTAGE
Disconnect and lock out power before connecting or
servicing unit. Failure to follow these instructions could
result in serious injury or death.
HEAVY DUTY
BALL BEARING MOTOR
WATER SLINGER
MECHANICAL SEAL
STAINLESS STEEL SHAFT
MOTOR BRACKET
PUMP VOLUTE W/WEAR RING
IMPELLER
IMPELLER
AXIAL FLOW PROPELLER
PROPELLER SET SCREW
SUCTION HOUSING