Table 4-1. Troubleshooting Cont’d.
CAUSE OF TROUBLE
CHECKING PROCEDURE
CORRECTION
PUMP KEEPS RUNNING
A.
Pressure switch
Switch points may be "welded" in
Clean points or replace
closed position.
switch.
B.
Low level well
Pump may exceed well capacity.
Throttle pump output
Shut off pump,
wait for well to or reset pump to lower
recover. Check static level from
level. Do not lower
well head.
if sand may clog pump.
C.
Leak in system
Check pipe one unit at a time for
Replace damaged sec-
leak.
tion.
D.
Worn pump
Abrasives in water may indicate
Pull pump and replace.
wear. Reduce pressure setting
of switch until pump shuts off.
If pressure is insufficient unit
must be replaced.
PUMP STARTS TOO OFTEN
A.
Pressure switch
Check setting on pressure switch
Reset limit or replace
and examine for defects.
switch.
B.
Leak in system
Tank may be leaking air above
Repair or replace tank
water level. Delivery pipe into
or pipes.
house or hiddle lines.
C.
Check valve
Damaged or defective check valve
Remove and replace if
will not hold pressure.
defective.
D.
Air supply
Check air volume control or snif-
Clean or replace. Drain
(waterlogged tank) ter valve for improper operation.
and recharge tank.
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