Stenner Pumps S Serie Manual De Instalación Y Mantenimiento página 88

TROUBLESHOOTING – PUMP HEAD
PROBLEM
Components cracking
Pump head leaking
No pump output,
pump head rotates
Low pump output,
pump head rotates
No pump output,
pump head doesn't rotate
Pump output high
S Series FW 4.01.02 US and Canada 800.683.2378, International 904.641.1666 www.stenner.com
POSSIBLE CAUSE
Chemical attack
Pump tube rupture
Depleted solution tank
Pump suction line weight is above solution
Leak in the suction line
Ferrules installed incorrectly, missing
or damaged
Injection point is clogged
Clogged suction and/or discharge line
and/or check valve
Life of roller assembly exhausted
Life of pump tube exhausted, S30 only
Life of pump tube exhausted, S40 only
Suction line is flush with the nose of
the weighted strainer
Life of roller assembly exhausted
Life of pump tube exhausted, S30 only
Life of pump tube exhausted, S40 only
Rollers worn or broken
Injection point is restricted
Incorrect tube size
High system back pressure
Stripped roller assembly
Motor problem
Incorrect tube size or setting
Roller assembly broken
S40 & S50 Models
IMPORTANT: DO NOT TWIST THE TUBE during installation. To
ensure it doesn't twist, keep the tube positioned so the printed
description stays aligned along the length of the tube.
SOLUTION
Check chemical compatibility
Replace pump tube and connections
Replenish solution
Maintain suction line 2-3" above
bottom of tank
Inspect or replace suction line
Replace ferrules
Inspect and clean injection point
Clean and/or replace as needed
Replace roller assembly
Replace pump tube, ferrules;
center tube
Replace pump tube, refer graphic below
Pull suction line approximately 1" from
bottom of strainer, cut bottom of suction
line at an angle
Replace roller assembly
Replace pump tube, ferrules; center tube
Replace pump tube, refer graphic below.
Replace roller assembly
Inspect and clean injection point
Replace tube with correct size
Verify system pressure against tube psi,
replace tube if needed
Replace roller assembly
Refer to motor section
Replace tube with correct size or
adjust settings
Replace roller assembly
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