3
WARNING:
DO NOT RUN THE PUMP BEFORE PRIMING IT, SINCE THE SEAL AND IMPELLER COULD BE
PERMANENTLY DAMAGED.
Fig. 2
a)
Priming:
Do not run the pump before priming it, since the seal and
impeller could be permanently damaged. Remove the plug from
the street tee and pour clean water into the unit until casing and
suction line are completely filled. Replace the priming plug and
start the motor. If the unit is properly primed, it should pump almost
immediately. If not, repeat the priming procedure until all the air has
been eliminated from the suction line. If an in-line check valve is
used in place of a foot valve, the initial priming time may take 5 to
15 minutes depending on the suction lift, (higher suction lift requires
longer priming times). At 10 feet or greater suction lifts, water should
be added to the casing approximately every 3 minutes until primed.
If the pump does not prime within 25 minutes, stop the pump and
check for suction leaks.
b)
Draining:
Should the unit be subject to freezing, it will be necessary to
drain the pump and tank. To do this, shut off the power to the pump at
the main electrical service panel. Open a valve in the system to release
the pressure. Remove drain and priming plugs from the casing. Allow
ample time for system to drain before reinstalling the plugs!
OPERATION - PRIMING THE PUMP
MAINTENANCE
WARNING - ELECTRICAL PRECAUTIONS
All wiring, electrical connections, and system grounding must comply with the National Electrical Code (NEC) and
with any local codes and ordinances. Employ a licensed electrician.
WARNING - RISK OF ELECTRICAL SHOCK
Before servicing motor operated equipment, shut off the power at the main electrical panel and disconnect the power
supply from the motor and the accessories. Use safe working practices during servicing of equipment.
a)
Lubrication:
The pump requires none. Refer to motor
manufacturer's instructions for motor lubrication.
b)
Replacing Mechanical Seal: (See Fig. 2)
Disassembly
1) Shut off the power to the pump at the main service panel and
disconnect the power supply from motor.
2) Open a tap in the water system to release the pressure.
3) Remove the drain (11) and prime plugs to allow the pump
to drain.
4) Remove the 4 bolts (1) and remove casing (2).
5)
Pry the diffuser (3) out of the casing using 2 slotted screwdrivers
for leverage.
6) Remove fan shroud (4) and insert a screwdriver into the slot in
the shaft to prevent it from turning while unscrewing the impeller
(5) in counter-clockwise direction.
7) Slip the rotating seal (6) off the shaft.
8) Remove motor tie bolts (7) and remove motor (8) from adapter
(9) by slightly tapping end of motor shaft with a mallet.
9) Remove the ceramic seal seat (10) from adapter (9).
Reassembly
1) Clean all the parts thoroughly before assembling.
2) Push ceramic seal (10) into the adapter (9) using thumbs
only. Make sure the smooth surface of the ceramic seat
faces outwards.
3) Reassemble motor (8) to adapter (9) using motor tie bolts (7).
4) Slip on rotating seal (6) to the shaft with the 'carbon' ring
towards the ceramic seat.
5) Replace the impeller (5) and the diffuser (3).
6) Replace the casing (2) making sure that the o-ring is not
damaged and is in place.
7) Reinstall the drain plugs.
8) Reconnect the power.
9) Prime pump, start, check for leaks.
Replacement Parts Available
Part #
305594001
Description:
Plug Kit
Contents:
1 drain plug, 1 priming plug
