MasterCraft 2013 XStar, Owner'S Manual

Page: 297 / 466

2021 OWNERS MANUAL /
296
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.
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 (the detergent should NOT con tain 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 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.)
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.
During water evacuation process, do not operate sea water pump
very long without water. Pump impeller may become damaged.
Winterizing Toilet System
At the end of each season, the macerator toilet should be winterized
for storage by using potable water-safe antifreeze (if boat will be
exposed to freezing temperatures).
If system will be subjected to freezing temperatures, please follow
procedures in this section, “During extended periods of non-use”,
and then winterize system as described here.
NOTE: Use nontoxic antifreeze designated for potable water sys-
tems.
Fresh water system
1.
Drain potable water tank and empty holding tank.
2.
Add freshwater antifreeze to potable water tank.
3.
Flush potable water antifreeze and water mixture through toilet(s)
and into entire system, including the waste holding tank, diverter
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