Maintenance And Winterizing; Cleaning The Toilet; Routine Maintenance; During Extended Periods Of Non-Use - Dometic MASTERFLUSH MF7100 Instructions De Montage Et De Service

Macerator Toilet

Caution! Hazard of Flooding
If toilet is connected to ANY through-the-hull
fittings, ALWAYS close seacocks when toilet is not
in use (even if boat is unattended for a brief period).
All passengers MUST be instructed on how to close
valves when the toilet is not in use. Failure to do
so can result in flooding which can cause loss of
property and life.

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.
Make sure all guests understand toilet operation
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before use.

6 Maintenance and Winterizing

6 .1 Cleaning the toilet

To maintain the toilet's original, lustrous appearance,
use Dometic Toilet Bowl Cleaner or other 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.

6 .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.
EN
YEARLY
Check water valve filter. Also check water valve filter if
water flow into toilet becomes insufficient.
6 .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 oz. (118 ml) of liquid
biodegradable laundry detergent (should NOT
contain bleach or environmentally harmful
substances).
If using raw water for flushing, shut off power to raw
I
water pump and add fresh water directly into the
bowl during the 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.

6 .4 Winterizing

At the end of each season, the Dometic macerator
toilet should be winterized for storage by using potable
water-safe antifreeze (if boat or vehicle will be exposed
to freezing temperatures).
If system will be subjected to freezing temperatures,
please follow procedures in section 6.3 During
extended periods of non-use, and then winterize system
as described here.
Maintenance and Winterizing
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