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Dimensional drawing of Gulper 320
Typical Installation as a High Capacity
Grey Waste Pump
Galley
Gulper 320
Typical installation as a Remote
Mounting bilge pump
Maintenance
Before inspecting or replacing the diaphragm
disconnect the electrical supply. The user must
then remove the pump head clamping rings, this
is done by unscrewing the clamping screw.
This will release the pump head, and allow easy
access to the valves & diaphragm. The diaphragm
and valves should be checked for any excessive
wear, damage or cracks. The valves should be
replaced if necessary by replacing the pump head
(service kit AK2050). If the diaphragm needs to be
replaced, undo the nut in the centre of the
diaphragm and remove the diaphragm plate &
diaphragm.
Note: The centre pin may be in one of several
positions, this will not affect replacement of the
diaphragm). When replacing the diaphragm this
can be fitted either cup up or down. Replace
clamping plate making sure the rounded edge
faces the diaphragm, also ensure that the outer
sealing edge of the diaphragm is located securely
Sink
Dishwasher
Shower tray
Shower tray
Gulper 320
in the grooves between the head & gear housing
(failure to do this will cause the pump NOT to
prime). Refit clamping rings and tighten screw.
Fault Finding
The electric motor runs but no water is pumped ?
Check:
a) that inlet hose connection is airtight, free from
blockages, and does not collapse.
b) that the shower/sink drain is not clogged.
c) that the valves in the pump are not blocked &
are seating properly in the pump head.
d) that the diaphragm has not split - replace if
damaged.
The motor will not operate ?
Check:
a) the isolator switch is on.
b) there is 12/24 volts from the battery.
c) the in-line fuse & ensure all electrical
connections are tight and free from corrosion. (If
fuse has blown check for debris in pump head
and clean out if necessary. replace fuse and run
pump - see previous page).
Service Kits
Spares Kit Part No: AK2050
Any questions contact our service desk -
Email: info@whalepumps.com.
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