Water Systems --- Section 6
Cayman 2005
221
Maintenance - Checking for leaks:
To find leaks, check behind or under toilet. Take four or five sheets of toilet tissue and wipe all
the seams and water line connections. Start at the top of the unit and work downward. When the tissue
comes in contact with leaking water it will immediately change texture.
NOTE:
If the motorhome is in storage for six months it is a good idea to spray silicone on the
toilet valve and work it back and forth. Perform this maintenance monthly (silicone
will evaporate in about 30 days).
Troubleshooting:
• Leaks:
- Back of toilet: check water supply line connection.
- Between closet flange and toilet: Check the screws for tightness. If the leak continues,
remove the toilet and check flange height. Adjust the height, if necessary, to 7/16" above
floor. Replace the flange seal if it is damaged.
• Poor flush:
A good flush should be obtained within two to three seconds. If the problem persists,
remove the water supply line and check the flow rate. The flow rate should be at least ten
quarts (9.5 liters) per minute.
• Bowl will not hold water:
Check for foreign material in the valve blade groove in the flush drain.
NOTE:
Most chemical mixtures for holding tank odor control are poisonous. Follow the
product manufacturer's directions and warnings when using any holding tank
additive.
Drain Traps & Auto Vents
Sinks, shower and clothes washer drains incorporate a
water trap (P-Trap) and auto vents to prevent waste water
holding tank odor from entering the motorhome.
Drain Traps:
P-Traps are usually within 54" of a vent tee and must
contain water to block odors. During storage, water can
evaporate and allow odor into motorhome. If odor is
detected, run water into sinks, shower and clothes washer
to fill P-traps.
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