User Manual - Page 10

For 390262553. Also, The document are for others Craftsman models: 390.2622, 390.262553, 390.2623

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TROUBLESHOOTING CHART
SYMPTOM CORRECTIVE ACTION
Motor will net run 1. Be sure switch is on
POSSIBLE CAUSE(S)
1. Disconnect switch is off
2. Fuse isblown
3. Startingswitch isdetective
4. Wires at motor are loose,
disconnected, or wired incorrectly
2. Replace fuse
3. Replace starting switch
4. Refer to instructionson wiring. Check and tighten all wiring.
AWARNING] 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 iswired incorrectly 1. Referto instructions on wiring
overload kicks off 2. Voltage is too low 2. Check with power company. Installheavier wiring if wire
size is too small (See Electrical, Pages 5 and 6)
Motor runs but no "1. 1. In new installation:
water is delivered
Pump in new installation did
not pick up prime through:
a. Improper priming
b. Air leaks
c. Leaking foot valve
Pump has lost prime through:
a. Air leaks
b. Water level below suction
of pump
Impeller is plugged
Check valve or foot valve is stuck
in closed position
Pipes are frozen
Foot valve and/or strainer are
buried in sand or mud
a. Re-primeaccording to instructions
b. Check all connections on suction line
c. Replace foot valve
2. In installation already in use:
a. Check all connections on suction line and shaft seal
b. Lower suction line into water and re-prime. If receding water level
in well exceeds suction lift, a deep well pump is needed
3. Cleen impeller; see Maintenance
4. Replace check valve or foot valve
*(Note: Check '2.
prime before look-
ing for other
causes. Unscrew
priming plug and 3.
see ifthere is 4.
water in priming
hole.) 5.
6.
Pump does not 1.
deliver water to full
capacity (Also 2.
check point 3
immediately above) 3.
Pump leaks 1.
around clamp
5. Thaw pipes. Burypipes below frost line. Heat pit or pump house.
6. Raisefoot valve and/or strainer above well bottom
Water level inwell is lower than 1. A deep well jet pump may be needed (over 20 ft. to water)
estimated
Steel piping (if used) is corroded or 2. Replace with plastic pipe where possible, otherwise with new
limed, causing excess friction steel pipe
Offset piping is too small in size 3. Use larger offset piping
Clamp loose 1. STOP PUMP, tighten clamp nut 1-2 turns. Alternately tighten nut and
and tap clamp with mallet to seat O-Ring. Do not overtighten
10
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