Equipment details
142
If the vehicle’s waste tank is full, the Waste
Pump-Out light will flash rapidly and no pump-
out will be possible until the central tank is
emptied. (Check the level of the vehicle’s waste
tank on the vehicle’s central console). After the
Waste Holding Tank has been emptied, there
will be approximately 1.5 litres of waste left in
the tank. This is normal. Add 2 litres of water
and a correct dosage of Thetford toilet fluids to
the Waste Holding Tank.
Important! It is vital that the correct amount
of toilet fluid is added to ensure the proper
breakdown of the waste in the holding tank.
Only use the system when the tank is full.
Using the system too often on an empty
tank can cause damage to the pump, which
could cause the system to fail.
Cleaning and maintenance
The toilet should be cleaned and maintained
regularly, depending on the amount of use. To
clean Thetford toilets, we advise using water
and Thetford Bathroom Cleaner.
Note. Never use bleach, vinegar or other
powerful household cleaners that contain these
substances. These may cause permanent
damage to the seals and other toilet components.
Toilet bowl
• Squirt Thetford Bathroom Cleaner into the
toilet bowl.
• Flush the toilet bowl with water and wipe
down the rest of the toilet with a damp cloth.
• Clean seat and lid The seat and lid can
easily be removed: Lift the seat and lid
assembly and pull the round pins (inside
the assembly) outwards from the pin holes.
After cleaning, replace the seat and lid by
positioning the round pins in front of the pin
holes and push the lid and seat downwards.
• To keep your flush water fresh and to prevent
deposits from forming in your toilet bowl,
add a correct dosage of Aqua Rinse in your
flush water tank, if present, on your toilet.
Tip! For a really shining toilet, dry with a soft dry
cloth after cleaning.
Waste holding tank
To keep your Waste Holding Tank fresh and
clean, Thetford has developed a number of
different toilet fluids. Thetford toilet fluids
suppress smells, reduce formation of gas,
promote breakdown of toilet waste and
increase the life span of a mobile toilet. See
page 46 of the Thetford user manual for more
information (=matrix). We advise a thorough
cleaning of the Waste Holding Tank once each
season. Next to using Thetford’s Cassette Tank
Cleaner, the powerful cleaning agent for the
periodical cleaning of the Waste Holding Tank
of your toilet, we suggest the following:
• Remove the removable mechanism from
the Waste Holding Tank by turning it anti-
clockwise and rinse it under a tap.
• Remove the cover plate from the Automatic
Pressure Release Vent by prising it up using a
small screwdriver. Use one hand to push the
Automatic Pressure Release Vent open while
holding the float of the Automatic Pressure
Release Vent on the inside of the tank with
the other hand. Push the float upwards, turn
it 180 degrees and remove it from below.
Remove the rubber seal underneath the float.
Rinse the float and rubber seal under a tap.
Replace the Pressure Release Vent using the
same method in reverse.
The rubber seals in the toilet (the lip seal,
the mechanism seal, the automatic pressure
release vent seal and the cap seal) should be
regularly cleaned with water and treated with
Thetford High Grade Seal Lubricant. This will
ensure that the seals remain flexible and in
good condition. If the toilet is not to be used for
any length of time, it is important to treat the
seals with Thetford High Grade Seal Lubricant
after cleaning.
Note. Never use Vaseline or any vegetable
oil except olive oil. These may cause
leakage or malfunction. The lip seal is a
part of the toilet that is subject to wear.
Depending upon the extent and manner of
use, the seals will become less effective
and will need replacing periodically.
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