Maintenance And Winterizing - Dometic SeaLand MasterFlush MF 7200 Series Operation Manual

Caution – Do Not Flush Foreign Objects!
Flush only water, bodily wastes and rapid-dissolving toilet
tissue . Do not flush wet wipes, sanitary napkins, condoms,
diapers, paper cups, cotton swabs, food, hair or liquids
such as oils or solvents as clogging or damage to the toilet
or toilet system may occur .
Note
Make sure all guests understand toilet operation before use .
7

Maintenance and winterizing

7.1 Cleaning the toilet
To maintain the toilet's original, lustrous appearance, use Dometic
non-abrasive bathroom and toilet bowl cleaners . Please follow label directions .
Caution
To avoid damaging internal seals, do not clean toilet with abrasive cleaners, caustic
chemicals, or lubricants and cleaners that contain alcohols or petroleum distillates .
7.2 Routine maintenance
MONTHLY
1 . Inspect toilet, plumbing, and plumbing connections, wires, and wire connections .
2 . Open and close all plumbing valves, including seacocks .
3 . Check in-line water filters and vented loops for blockage .
YEARLY
Check water valve filter . Also check water valve filter if water flow into toilet becomes insufficient .
7.3 During extended periods of non-use
The macerator toilet and sanitation hoses should be protected if toilet will not be needed for an
extended period of time (more than two weeks, especially in hot weather) .
1 . Flush toilet and add 4 fl . oz . (118 ml) of liquid biodegradable laundry detergent (should NOT
contain bleach or environmentally harmful substances) . Note: If using sea water for flushing,
shut off power to sea water pump and add fresh water directly into the bowl during flush cycle .
2 . Flush toilet at least five times .
3 . Turn off water supply to toilet .
4 . Flush the toilet without water very briefly to evacuate all water . (This procedure will minimize
any remaining water in the macerator pump .)
Caution
During water evacuation process, do not operate sea water pump very long without water .
Pump impeller may become damaged .
5 . Turn off power to the toilet .
6 . After extended periods of non-use, toilet and pump may dry . For easier re-start of toilet
system, add one quart of water to bowl and let it stand for a few minutes before use .
Dometic MasterFlush
Toilet Bowl Cleaner or other
®
9