A2CH3 F16 – OPERATING INSTRUCTIONS
INDEX DATE N°
00 06/02/09
DC69020
9/16
Possible cause
How to check
Solution
Internal pump failure
Replace pump with compatible
pump and see if normal operation
resumes
Return the pump to SGPPL
FRANCE, site of Charnay
Damaged bellows
Check to see if mist or dripping is
coming from the muffler or PP
core
Return the pump to SGPPL
FRANCE, site of Charnay
Worn/damaged seat valves
Visually check if the check valves
are moving properly
Return the pump to SGPPL
FRANCE, site of Charnay
(warranty) or authorized service
center for PM kit maintenance
Worn/damaged check valves
Visually check if they are moving
properly
Return the pump to SGPPL
FRANCE, site of Charnay
(warranty) or authorized service
center for PM kit maintenance
Manifold nut improperly/not
enough tightened
Check if the manifold nuts are
properly tightened
Verify that the thread is not
damaged. Retighten the manifold
nuts
Connection nut improperly/not
enough tightened
Check if the connection nuts are
properly tightened
Verify that the thread is not
damaged. Retighten the
connection nuts
Air bubbles in outlet line
Possible cause
How to check
Solution
Bad chemistry mix
Check chemistry content. Some
mixtures cause boiling when the
chemistry is submitted to the
vacuum that is experienced as the
liquid is drawn into the pump
Adapt conditions, modify the
suction height
Temperature too hot
Make sure that chemistry
temperature is below its boiling
point. Take into account that the
chemistry will boil at a lower
temperature as it experiences the
vacuum due to the fact it is sucked
into the pump
Adapt conditions, modify the
suction height
Loose tubing connection at the
pump inlet
Check the tightening of the
connection
Retighten the connection, and
check that threads have not been
damaged
Loose manifold nut at the inlet
manifold
Check the tightening of the
manifold nut
Retighten the manifold nut, and
check that threads have not been
damaged
