Whale Watermaster Pressure Pump; Pressure Pump Routine Maintenance - Bailey ADVANCE 2019 Owner's Manual

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After the on-board water tank has been filled,
the water system should be primed as follows:
1. Check that the ancillary power supply to
the pump on the control panel is ON.
2. Open one hot tap, e.g. kitchen sink; water
will flow from the open tap after filling
the water heater. This could take a few
minutes if the water heater was empty.
3. When the water is flowing smoothly, close
the hot tap and open the cold tap to expel
any air left in the plumbing system.
4. Repeat with all taps to expel any air in the
system - remember to remove the shower
head.
Should the flow rate from the taps be reduced
at any time, check the grit filter, at the side of
the pump.
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replacIng the grIt fIlter
1. Switch off the power supply to the pump
and drain the water system.
2. If access to the grit filter is limited, remove
the pump. If you are unsure of how to
do this for your particular vehicle please
contact your Bailey retailer or Whale
support.
3. Follow the arrows marked OPEN on the
filter cover; unscrew the filter cover.
4. Remove and clean the filter.
5. Replace the filter.
6. With the O-ring in its groove, replace the
filter cover following the direction of the
CLOSE arrows on the filter cover until fully
seated.
7. Under no circumstances should the Whale
universal pump be run without a filter on
the suction side.
8. Ensure the water fill hose O-ring and
socket are kept free of dirt.
9. Drain the system thoroughly during the
winter months.
10. Service the inlet annually.
11. Inspect and clean the grit filter annually.
If there is any damage/wear and tear
evident, it should be replaced.
The system is pressure controlled to protect
your motorhome from sustaining damage to its
water system.
Plumbing connections should be checked at
the beginning and end of each season for frost
damage or loose connections.
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