Craftsman 390.262653 Water Pump User Manual


 
TROUBLESHOOTING CHART
SYMPTOM CORRECTIVE ACTION
Motor willnotrun f. Be sureswitchis on
POSSIBLE CAUSE(S)
1. Disconnectswitch is off
2. Fuse is blown
3. Startingswitchisdefective
4. Wiresat motorare loose,
disconnected, or wired incorrectly
2.
3.
4.
Replace fuse
Replace startingswitch
Refer to instructions on wiring.Check and tighten all wiring.
['_WARNINGI Capacitor voltage may be hazardous. To discharge
capacitor, hold insulated handle screwdriver BY THE HANDLE
and short capacitor terminals together. Do not touch metal
screwdriver blade or capacitor terminals. If In doubt, consult a
qualified electrician.
Motor runshot and 1. Motor is wiredincorrectly 1. Refer to instructionson wiring
overloadkicksoff 2. Voltage istoo low 2. Checkwithpower company. Installheavierwiringifwire
size istoo small (See Electrical,Pages 5 and 6)
Motor runs but no "1. 1. In new installation:
water isdelivered
2,
*(Note: Check
prime before look-
ing for other
causes. Unscrew
priming plug and
see if there is
water in priming
hole.)
3.
4.
5.
6.
1.
2.
3.
1.
Pump in new installationdid
not pick up prime through:
a. Improper priming
b. Air leaks
c. Leaking foot valve
*2. Pump has lost prime through:
a. Air leaks
b. Water level below suction
of pump
3. Impeller is plugged
4. Check valve or foot valve is stuck
5 in closedposition
Pipes are frozen
6. Foot valve and/or strainerare
buried in sand or mud
a. Re-prime according to instructions
b. Check all connections on suction line
c. Replace foot valve
In installation already in use:
a. Check all connections on suction line and shaft seal
b. Lower suction line into water and re-pdme. If receding water level
in well exceeds suction lift, a deep well pump is needed
Clean impeller; see Maintenance
Replace check valve or foot valve
Thaw pipes. Bury pipes below frost line• Heat pit or pump house.
Raise foot valve and/or strainerabove well bottom
Pumpdoes not 1. Water level in well is lower than Adeep well jet pump may be needed (over 20 ft. to water)
deliver water to full estimated
capacity (Also 2. Steel piping (if used) is corroded or Replace with plastic pipe where possible, otherwise with new
check point 3 limed, causing excess friction steel pipe
immediately above 3. Offset piping is too small in size Use larger offset piping
Pump leaks 1. Clamp loose STOP PUMP, tighten clamp nut 1-2 turns. Alternately tighten nut and
around clamp and tap clamp with mallet to seatO-Ring. Do not overtighten
10