Side view, Figure 5, Side – Craftsman 390.251883 User Manual
Page 6: View, End view, Installation / operation, Installation, Operation
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INSTALLATION / OPERATION
INSTALLATION
SEARS jet pumps should be used with Captive Air® Tanks (See
Figure 5).
SIDE VIEW
FIGURE 5
For mounting pump to tank, purchase tank fittings Kit No. 2788.
SEARS Captive Air® Tanks are pre-chatged at the factory. Check the
tank Owners Manual to And if air charge needs adjustment. Model
390.251483 and Model 390.251883 require 40 pounds for proper
operation.
The jet pump can also be mounted on standard horizontal tanks. A
mounting kit with an AVC is furnished with tank. (Figure 6).
Instructions are also included.
SIDE
VIEW
FIGURE 6
The installation, operation, and care of your Flydroglass® Pump is
very similar to cast iron pumps. We ask, however, that you keep
the following points in mind.
NOTICE: Use Teflon tape supplied with the pump for making all
threaded connections to the pump.
DO NOT USE PIPE JOINT COMPOUND.
2
.
Wrap 1-1/2 to 2 turns of Teflon tape to all male pipe threads
being attached to the pump. This will insure leakproof connec
tions. Do not overtighten threaded fittings in the plastic pump.
If leaks do occur, remove the fitting, replace the Teflon tape,
and re wrap with 1-1/2 to 2 turns of Teflon tape and remake the
connection.
Independently support aU piping connected to the Hydroglass®
Pump,
END VIEW
FIGURE 7
OPERATION
Priming the Pump
NEVER run pump dry. Running pump without
A CAUTION
water may overheat unit, damaging seals and possibly burning per
sons handling pump.
A WARNING I njjtvEn pump against closed discharge. To
do so can boil water inside pump, causing hazardous pressure in
unit and possibly scalding persons handling pump,
1. Remove priraii^ plug. Fill pump with water. Replace priming
. plug. If a priming tee and plug have been installed for a long hor
izontal run, be sure this line is filled and the plug replaced.
(Figure 2, Page 4).
-
2. Start the pump. Water will be pumped in a few minutes; the
time depending upon the depth to water and length of hori
zontal run. If pump does not prime, check for a possible leak in
the suction line. Reprime. Check to be sure suction lift - dis
tance from pumping water level to pump - does not exceed 20
feet. See “Piping in the Well” on Page 4.