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3. Direction of fl ow can easily be altered by loosening the screws which hold the clamping rings. Rotate the pump head to the required angle, check direction of fl ow and
re-tighten (Fig 3).
Note:
a) The pump is designed to work at a maximum lift/head combination of 3m (10ft). This includes height of pump above holding tank outlet and distances from pump to
the highest point in the discharge line and distance of seacock discharge below waterline.
b) As the holding tanks on most boats are installed below the waterline; it is essential that proper siphon breaks (vented loops) are installed to prevent siphoning water
into the toilet by leakage past the suction or discharge valves of the pump. Typical installation (Fig 4).
4. Position the pump in a dry, ventilated area that allows maintenance access. Fix the pump in position by attaching the screws and washers provided through the
rubber feet.
6.
PLUMBING
1. Use 38mm (1½") smooth bore thick walled non-collapsing hose to minimise the permeation of waste system odours.
2. Keep the hose runs as short and as straight as possible. Avoid dips in the hose which will remain "wet". Swept connections instead of elbows must be used
whenever possible.
3. Connect the inlet and outlet hose to the pump ensuring the fl ow direction is correct (Fig 2). Two stainless steel hose clamps must be used at each connection.
4. Where appropriate, a Whale Diverter Valve (DV5606), which has been specifi cally designed to handle toilet waste should be used (available separately).
5. Install seacocks, deck fi ttings, etc. as per manufacturer's recommendations.
6. Do not connect pump directly in line with a deck pump out fi tting.
7.
ELECTRICAL CONNECTIONS
Fig. 5
Note: An in-line fuse assembly is pre-fi tted to prevent serious damage in the event of system blockages. Ensure valves, seacocks etc. are fully open before
operating the pump.
1. Use recommended fuse and correct wire size (see pump specifi cations).
2. Connect the power cable to the spade terminals on the pump using crimped on connectors. Note: the pump is polarity sensitive and will not operate if connected
wrongly. Protect the cable where it runs through holes or over sharp edges.
3. Wiring must comply with applicable electrical standards.
8.
OPERATION
1. The pump is rated for up to 40 minutes continuous running.
Warning:- Pump motor casing can become hot, avoid prolonged contact.
2. Always fi t correct fuse (see pump for rating).
3. Unnecessary running will reduce the life of the valves and diaphragm. Turn off the pump when leaving the boat.
4. Ensure valves are seacocks are open before operating pump.
5. Do not fl ush paper towels or feminine hygiene products. Keep paper usage to a minimum.
6. Ensure system is properly vented. To prevent odours, run vent lines from siphon breaks to vent fi ttings above maximum heeled water line.
7. Keep Whale recommended spares kit (AK1557 and AS1562) on board, as well as toilet system spares.
9.
MAINTENANCE
Pump
1. Isolate power to pump and close service valve, if fi tted before dismantling pump. Place a drip tray below pump head and inlet and outlet hoses during maintenance.
Valve Replacement/Inspection
1. Disconnect the inlet and outlet hoses and unscrew outer and inner valve housings to give access to the valves.
2. The valves should be fl exible and the opening slit should be closed to its relaxed state. Trapped debris in the valves or valve housings should be removed.
3. When refi tting ensure the valves are assembled in the correct orientation (Fig 2).
Diaphragm Replacement/Inspections
1. Remove the pump head clamping rings by unscrewing the two clamping screws which will release the pump head and allow easy access to the diaphragm.
2. To replace/inspect diaphragm it is not necessary to disassemble valves. This will minimise spillage.
3. Remove diaphragm by undoing 8mm locking nut holding diaphragm plate against diaphragm and crank arm.
4. When re-assembling ensure that the outer edge of the diaphragm is located securely in the grooves between the body and the gear housing. Failure to do so will
cause priming/vacuum creation problems.
5. It is important that the diaphragm plate is assembled with the rounded edge towards the diaphragm.
6. Refi t the locking nut and clamping ring and tighten screws.
General
1. Periodically check all connection clamps for slack and corrosion and replace as necessary.
2. Use toilet cleaners made specifi cally for marine toilets. DO NOT USE bleach or drain cleaner. Rinse and fl ush the holding tank after each pump out to dilute any
residual waste, and help prevent blockage and reduce odours.
3. Properly winterise the toilet system, leaving the system completely drained and dry.
10.
FAULT FINDING
Pump operates but no waste pumped?
Check:
a) all connections are airtight and secure.
b) seacocks/valves are open.
c) clamping ring screws are tight and diaphragm fi tted correctly.
d) diaphragm/valves do not need replacement.
Pump will not operate?
Check:
a) electrical connections / fuse. If fuse blows check for closed valves and blocked pipes.
b) correct polarity connections to pump.
11.
SERVICE KITS
Spares Kit Part No:
AK1557 Diaphragm valves and fi xing kit
AS1562 Clamping ring kit
12.
SERVICE SUPPORT DETAILS
For installation or serviceable parts advice please contact Whale Support:
Tel: 00 44 (0)28 9127 0531
Whale (The Americas)
Tel: 00 1 616 897 9241
Email: info@whalepumps.com
Email: usasales@whalepumps.com
2
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