5. Warnings
6. Installation
1. This pump must not be mounted below the water line.
2. Not suitable for pumping ammable liquids, diesel, chemicals etc.
3. NOTE: Pump capacity is not sufcient to prevent ooding from rapid accumulation of water
due to storms, rough weather and/ or rapid leaks created by hull damage and or unsafe
navigational conditions.
4. With all applications, it is important that a system of safe working practice is applied to
installation, use and maintenance. Electric supply must be turned off and waste water system is drained
prior to installation.
5. In order to securely fasten the unit, ensure that the mounting surface is a minimum thickness of 19mm (3/4”)
(when tted with the screws supplied).
6. NOTE Do not screw directly to the hull - the pump must be mounted on a bulkhead or on an additional board.
7. NOTE Do not unscrew the rear section, as interference with the internal electrics will render the pump unt
for use and invalidate the warranty. This is a non-serviceable part of the pump.
8. WARNING: Fire hazard. Wiring must comply with applicable electrical standards and include a properly rated
fuse or circuit breaker (see section 7) Improper wiring can cause a re resulting in injury or death. Switch off
the power while making connections.
Suggested wiring information is given as a guide only. For full information, refer to the USCG, ABYC and ISO
regulations for marine applications and wiring gauges, connectors and fuse protection.
Contact Whale® Support team for further technical advice +44 (0)2891 270531 or email: info@whalepumps.com
Note: Incorrect installation will invalidate warranty.
Preparation - Always disconnect power sources before installing.
6.i Location
• Choose a position to mount the pump that is dry and away from
standing water.
• The pump may be mounted on a horizontal or vertical surface.
• When mounted vertically ensure that the pump head is lower
than the pump body (see Fig 1).
Figure 1 - Pump Orientation
Figure 2 - Rotating Pump Head
6.ii Mounting Instructions
• The Whale® Gulper® Grouper pump must be installed at or
below the level of the sh box drain. When mounting, position
the pump on the intended surface then mark the 4 hole positions
using the pump feet.
• The pump head may be rotated to suit the hose connections;
this is achieved by loosening the screw which holds the
clamping ring and rotating the pump head (Fig 2).
• Once the position for the four mounting feet is marked, drill four
pilot holes of 3.2mm(1/8”). Use four No.8 self-tappers and
washers to secure the pump.
• Inspect and ensure that the tricuspid valves are seated on both
inlet and outlet ports.
NOTE: Both valves must “point” in the same direction.
• Install ports to the pump head (see Fig 3).
• In retail, 2 x 25mm (1”) ports and 2 x 38mm
(1 ½”) ports are supplied to suit your
installation. For optimum performance, Whale
recommend using a 38mm (1 ½”) port on the
inlet and 25mm (1”) port on the outlet connected
with reinforced hose.
Figure 3 - Gulper Grouper Dimensional Diagram
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