Tiara Yachts 53 COUPE, Owner'S Manual, Page: 125 / 166

ROUTINE MAINTENANCE
7-17 53 COUPE
13. Start the related engine or pump, and check the system for leaks.
14. If the strainer is leaking, immediately close the related seacock. Then
verify the filter cap is installed correctly with a good O-ring.
7.7 HEAD SYSTEM
Review the head system user guide for operating and maintenance instructions.
Pump out the waste tank when the tank monitor (
Figure 7-3
), located inside the
helm seat cabinet, indicates the waste tank is full.
Figure 7-3: Dometic ® Tank Monitor Panel
Lights indicate the fill levels of the waste tank and
fresh water tank. The graphic guide on the left of
the panel indicates if the tank is full or empty.
To pump out the waste tank:
1. At a marine facility pump-out station, remove the cap from the WASTE
deck plate, located on the starboard side deck walkway, with the provid -
ed spanner wrench. Turn counterclockwise until the cap is loose; remove
the cap and set it in a safe place.
2. Insert the pump-out station hose into the WASTE deck plate opening.
3. Turn the pump-out station pump equipment on. Remove all waste from the
holding tank (check the tank monitor for progress).
4. Insert the pump-out station’s water hose into the WASTE deck plate open -
ing. Fill the tank with clean water and repeat steps 2-3.
5. Replace the deck plate cap and tighten with the spanner wrench.
Replace the holding tank vent air filter ( Figure 7-4 ) annually for the most effective
odor control. The tank vent air filter is located on the aft end of the waste tank
accessed through the atrium floor hatch ( Figure 7-5 ).