Pentax VP6A Instrucciones De Uso página 70

7. PROBLEMS, CAUSES AND REMEDIES
PROBLEMS
6 - The pump absorbs excess power.
7 - The stuffing box lets too much water
pass.
LIKELY CAUSES
A) - The axial adjustment of the pump was
not performed according to the instruc-
tions.
B) - The rotation speed is too high.
C) - The specific weight of the pumped li-
quid is different to that of water.
D) - Solid bodies in the pumped liquid.
E) - Stuffing box too tight.
F) - Pump unit not aligned.
G) - Rubber bearings not suitable for
pumped liquid.
A) - Braid not suitable for pumped liquid.
B) - The rotating part vibrates.
C) - The chrome bushing of the shaft is
worn.
D) - The braid is worn
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POSSIBLE SOLUTIONS
A) - Make the axial adjustment of the pump.
B) - Check rpm with the technical data of the
pump.
C) - Contact the manufacturer.
D) - Clean.
E) - Adjust the stuffing box.
F) - Call the specialised technician to check
the pump.
G) - Contact the manufacturer.
A) - Contact the manufacturer.
B) - Call for service.
C) - Call for service.
D) - Call for service.