STA-RITE JBMB-56S Owner's Manual page 14

TROUBLE AND CAUSE
FAILURE TO PUMP
1. Pump not properly primed.
REDUCED CAPACITY AND/OR HEAD
1. Air pockets or leaks in suction line.
2. Clogged impeller.
PUMP LOSES PRIME
1. Air leaks in suction line.
2. Excessive suction lift and operating
too near shut-off point.
3. Water level drops while pumping,
uncovering suction piping.
MECHANICAL TROUBLES AND NOISE
1. Bent shaft and/or damaged bearings.
2. Suction and/or discharge piping not
properly supported and anchored.
TROUBLE - CAUSES AND REMEDY
REMEDY
1. Make sure pump casing and suction line are full of water.
See priming instructions.
1. Check suction piping.
2. Remove and clean.
1. Check suction piping
2. Move pump nearer to water level.
3. Check water supply. Add length of pipe to suction
to keep submerged end under water.
1. Take motor to authorized motor repair shop.
2. See that all piping is supported to relieve strain
on pump assembly.
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