GE QS1800V, QS2800V T R O U B L E S H O O T I N G G U I D E, Problem, Possible Causes, Remedies

Models: QS1800V QS2800V

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Pump/motor vibrates

T R O U B L E S H O O T I N G G U I D E

 

 

 

 

 

 

 

 

 

PROBLEM

POSSIBLE CAUSES

REMEDIES

 

 

 

 

 

Pump/motor vibrates

Improper mounting

Confirm both the pump liquid

 

 

 

end and motor module are

 

 

 

firmly secured to a rigid

 

 

 

structure.

 

 

 

 

 

 

Starved suction line

QSV pumps must be fed with

 

 

 

positive pressure [at least

 

 

 

20 psi (1.4 bar). Check to

 

 

 

make sure there are no

 

 

 

obstructions, constrictions,

 

 

 

high points, or clogged filters

 

 

 

ahead of the pump.

 

 

 

 

 

 

Operating off the

QSV pumps must operate in

 

 

performance curve

the flow range specified by

 

 

 

the performance summary

 

 

 

table or the pump perform-

 

 

 

ance curve.

 

 

 

 

 

Pump leaks

Piping not properly sealed

Seal threaded fittings with

 

 

 

Teflon tape. Make sure gas-

 

 

 

kets are properly seated in

 

 

 

Victaulic or flanged fittings.

 

 

 

 

 

 

O-rings in pump casing or

Replace the O-ring if possible,

 

 

motor module damaged

or return the pump to the

 

 

 

factory for repair.

 

 

 

 

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GE QS1800V T R O U B L E S H O O T I N G G U I D E, Problem, Possible Causes, Remedies, Pump/motor vibrates, Pump leaks