Maintenance And Winterizing - Dometic 8900 Series Operation Manual

Maintenance, winterizing
7

Maintenance and winterizing

7.1 Cleaning the toilet
To maintain the toilet's original, lustrous appearance, use SeaLand
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 (for boat applications) .
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 in "Normal" mode and add 4 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 by pouring directly into the bowl
during the flush cycle .
2 . Flush toilet with water at least five times .
3 . Turn off water supply to toilet .
4 . Flush the toilet without water . Repeat three times . (This procedure will minimize any remaining
water in the macerator pump .)
5 . Turn off power to the toilet .
If system will be subjected to freezing temperatures, please follow above procedure, and then
winterize system as described in next section .
8
SeaLand MasterFlush Toilet
Toilet Bowl Cleaner or other non-
®