A2CH3 F16 – OPERATING INSTRUCTIONS
INDEX DATE N°
00 06/02/09
DC69020
8/16
Possible cause
How to check
Solution
Manifold nut improperly/not
enough tightened
Check if the manifold nuts are
properly tightened
Check that the thread is not
damaged. Retighten the manifold
nuts
Connection nut improperly/not
enough tightened
Check if the connection nuts are
properly tightened
Check that the thread is not
damaged. Retighten the
connection nuts
Pump will not prime
Possible cause
How to check
Solution
Kink in the air supply line
Visually inspect lines for kinks
Replace kinked line(s)
Defective air supply 3/2 valve
Supply the pump with air from a
source other than the one from the
3/2 valve
Replace the 3/2 valve
Air pressure to pump too low
Inspect settings on regulators and
gauge level
Set air pressure supply in
accordance with SGPPL FRANCE
pumps data sheet
Air undersupply
Physically check that the air tubing
fits the size of the pump (see data
in the pump manual)
Install proper tubing size
Try to activate the small piston on
the top on the pump, and see if
normal operation resumes
If this happens to often, change
the shuttle valve (the pump
probably needs a PM kit
maintenance)
Replace shuttle valve, and see if
normal pump operation resumes
Change the shuttle valve (the
pump probably needs a PM kit
maintenance)
Visually check the tightening of
the shuttle valve, and check for air
leaks
Tighten back the shuttle valve
Shuttle valve failure
Check if the shuttle can move in
the shuttle valve
Change the shuttle valve (the
pump probably needs a PM kit
maintenance). Verify that the air is
not lubrificated. Check that there
is no liquid drip on the
pump/shuttle valve
Defective liquid valve upstream of
the pump
Check upstream valve and/or put
a direct line from the pump to the
tank, and see if normal operation
resumes
Replace defective liquid valve,
and check that no damage has
been done to the bellow
Kink in inlet or outlet liquid lines
Visually inspect lines for kinks
Replace kinked line(s). If the kink
was in the inlet lines, check that
no damage has been done to the
bellow
