Nordson 3100V Series Customer Product Manual page 181

B
1-6
Hydraulics
Manifold Blockage
Check
@ontd)
4.
Slowly increase the pump air pressure and check to see
if
the pump
is
stroking.
Pump Siphon Ball
Seat
Check
1.
Make sure
the
READY
light is lit and the pump
is
turned on
2.
See Figure B
1-2.
Place a container under the manifold drain valve
and open the valve.
3.
Turn
the pump air pressure regulator alternately counterclockwise
and
clockwise to increase and decrease pump air pressure. This
should remove any particles lodged between the siphon ball and its
seat.
4.
Check
to see
if
the pump is stroking normally or erratically.
Pump Action
Strokes
There is no blockage in the manifold.
Close the
drain valve and return to Table B
1-1
.
Does not stroke The manifold may be blocked.
Remove and clean
the manifold
filter.
Refer
lo
Cleaning
a Standard
Manifold Filteror Cleaning a Reverse-Flush
Manifold Filter in Maintenance.
Filter Type Procedure for Opening Drain Valve
Standard Turn
the drain valve counterclockwise
Reverse-flush With the manifold filter
in
the RUN position, turn the
right-side drain valve counterclockwise.
Pump
strokes
Action
Normally
Resume operation
Erratically
Remove and clean the
pump.
Refer
to
Cleaning
or
Rebuilding the Pump.
81
EN-02-[3V-X-AGXXI-2
41-3000y
lssued 5/00
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