Craftsman HYDROGLASS 390.251183 Owner's Manual

Also see for 390.251183: Parts list

OPERATION MAINTENANCEPRIMING THE SHALLOW WELL PUMPTO PREVENT DAMAGE TO INTERNAL PARTS, DO NOTSTART MOTOR UNTIL PUMP HAS BEEN FILLED WITHWATER.1. Be sure pressure regulator located on pump body is openat all times during priming and running. Turn counter-clockwise all the way.2. Remove priming plug. Fill pump with water. Replacepriming plug. If a priming tee and plug have been pro-vided for a long horizontal run, be sure this line is filledand the plug replaced, using pipe compound on plugthreads. See Figure 7, Page 7.3. Start the pump and run for approximately thirty (30) sec-onds. Stop pump, remove prime plug and refill withwater. Replace prime plug and gauge and restart pump.Water will be pumped in a few minutes, the time de-pending on the depth to water and length of horizontalrun. If pump does not prime, check for a possible leak onthe suction side of pump. Check to be sure suction lift –distance from water level to pump – does not exceedtwenty (20) feet.PRIMING THE DEEP WELL PUMPTO PREVENT DAMAGE TO INTERNAL PARTS, DO NOTSTART MOTOR UNTIL PUMP HAS BEEN FILLED WITHWATER.1. Remove the priming plug. Open pressure regulator (turncounter-clockwise) located on the pump body. Fill pumpand piping with water and replace plug and tighten onlyuntil it seals.NOTICE: For location of pressure regulator, see InstallationDiagrams on Pages 4 and 5.2. Close the pressure regulator (turn clockwise).3. Open several faucets in the house or near the tank to pre-vent pressure build up in tank.4. Start pump. Pressure should build up rapidly as the jet andpump prime. Pressure will be in excess of 60 pounds. Ifthis fails to happen, repeat 2 and 3 above.5. Once unit has primed on pressure has stabilized, slowlyopen (turn counter-clockwise) the pressure regulator andwater will begin to be pumped into tank.6. Continue to open pressure regulator until pressure falters(becomes erratic). At this point, close (turn clockwise)the pressure regulator slightly until pressure stabilizes.Close faucets and allow pump to pressurize the tank andshut off.7. To insure pump is operating properly, alternately openand close faucets in system. With faucets open, pressurewill drop until pressure switch starts pump; and withfaucets closed, pressure will build up until pressureswitch shuts off pump.8. There are certain conditions of deep well operationwhereby the pressure regulator can be completely openwithout any faltering of pressure and if so, pump shouldbe operated in this manner.LUBRICATIONIt is not necessary to lubricate the pump or its motor. Themotor has two ball bearings lubricated for life. The me-chanical shaft seal in the pump is water lubricated and self-adjusting.DRAINING FOR WINTERWhen the pump is to be disconnected from service, or is indanger of freezing, it should be drained. The pump has adrain cock which must be opened. Remove the primingplug to vent the pump. Drain the pressure tank. Drain all pip-ing to a point below the freeze line.To drain an air volume control, remove AVC tubing and turn(loosen) it 180° on the 1/4” pipe fitting in the tank. This willpermit any water remaining in the air volume control todrain back into the tank.DISASSEMBLY AND ASSEMBLY OF PUMPThe SEARS Hydroglass® pump is designed for ease in servic-ing and maintenance.1. Disassemble pump as follows:A. Disconnect power.B. Drain pump by opening drain cock on bottom ofpump body and remove pressure switch tubing fromfitting on top of pump body. This will allow air to re-place the water in the pump.C. Remove clamp, Key No. 11, Page 16, which holds thetwo pump halves together.D. Remove pump base mounting bolts. Motor assemblyand back half of pump can now be pulled away frompump front half. Carefully remove O-Ring and place ina clean area. Inside of pump is now accessible for ser-vice.2. Reassembly of pump.A. With a clean cloth, wipe out all foreign material fromthe large O-Ring groove on the pump back half. Alsowipe clean the large O-Ring and also the small O-Ring,Key No. 6, Page 16 on the diffuser, Key No. 10, Page16. This will insure a good tight seal.B. Lubricate O-Rings with petroleum jelly for ease of as-sembly. Place large O-Ring in groove.C. Pump halves can now be slid together until they areparallel and are as close together as possible.D. BE SURE inside of clamp is clean. Place clamp onpump halves and snug up. Alternately tighten clampscrew and tap around outside of clamp with a plasticmallet. This will insure proper seating of O-Ring andclamp.E. Assemble base mounting bolts. Reconnect pressureswitch tubing and tighten drain cock.F. Reprime pump and turn on power.10