Dometic VacuFlush 5000 Series Operation Manual page 9

VacuFlush Pedal-Flush Toilet
Maintenance procedure
Check all clamped hose joints
below water line for leaks .
Check filter screen in water valve .
Replace vent filter (if installed in
holding tank vent line) .
Replace duckbill valves in vacuum
generator or vacuum pump .
Replace flush ball seal and flush
ball (if required) .
7.3 Recommended spare parts
When operating boat or other vehicle in remote areas, keep the following spare parts on hand to
assure continuous toilet system operation .
Description
Flush ball seal
Flush ball
Water valve (in foot pedal)
Vacuum switch kit
Duckbill valves
To order spare parts, refer to Customer Service section .
7.4 During extended periods of non-use
Sanitation hoses should be cleared if toilet will not be needed for an extended period of time (more
than two weeks) .
1 . Fill toilet bowl with water and add 4 oz . (120 ml) of liquid biodegradable laundry detergent
(should NOT contain bleach) .
2 . Flush toilet, holding pedal down for about two minutes . Close flush ball .
3 . Turn off water supply to toilet .
4 . Flush the toilet without water, allowing the vacuum pump to shut off after the flush . Repeat three
times . (This procedure will minimize any remaining water in the sanitation hoses .)
5 . Turn off power to the vacuum pump .
6 . Completely pump out holding tank .
If system will be subjected to freezing temperatures, please follow above procedure, then winterize
system as described in this manual .
TURN OFF ELECTRICITY AND WATER TO TOILET SYSTEM IF IDLE FOR LONG TIME
If people will not be using the boat for a long time (vacation, maintenance, off-season, etc .), or in the
event of a long electrical power interruption, electrical power and water supply to the toilet system
should be shut off .
Service interval
ROUTINE
Monthly
After first year of service, then as
needed if water flow is noticeably
slower .
Annually
MAJOR SYSTEM MAINTENANCE
Every three years
Every three years
Where used
VacuFlush toilet . See parts list .
VacuFlush toilet . See parts list .
VacuFlush toilet . See parts list .
Vacuum tank or vacuum generator . See parts list .
Vacuum tank or vacuum generator . See parts list .
Maintenance/Winterizing/Service
—
Screen is located inside water
valve inlet .
—
See vacuum generator or
vacuum pump parts list for
replacement kit part number .
See toilet parts list for replace-
ment kit part number .
Notes
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