Fig. 1
Maintenance
Wheels and Tyres
Do not store in one position with partially
deflated tyres. The tyre walls will suffer and do
present a real danger of blow outs, especially
when travelling at faster speeds than are
allowed in the UK.
The wheels should be turned every couple of
weeks or even better, the wheels removed and
the caravan placed on “winter wheels” or axle
stands.
If you are removing the wheels, follow the
jacking procedure for changing a wheel.
Check your tyres regularly for signs of age
and deterioration, particularly wear, cracking
and blistering. If in doubt consult a reputable
tyre fitter.
Water System
Ensure water pump is turned off.
Lift kitchen sink unit lid and clip in open
position.
All single lever mixer taps, including the
shower control, should have the lever moved
to the central position and lifted to the open
position for hot and cold.
All conventional taps should be opened.
Remove shower head. Let the shower hose
drain into the shower tray and then return to
holder.
Drain water tanks if fitted:
Internal tanks- open inline valve adjacent to
the tank. Valve is open when handle is inline
with valve.
External underslung tanks - remove drain
pipe from retaining clip and open tap. Allow
water to drain. Clip pipe back in position.
Open system drains. Remove red drain plug
from under the floor of the vehicle (Fig.1) and
place in drawer.
Drain water heater. Open yellow handle on
inline valve adjacent to heater. Valve is open
when handle is vertical.
Before recomissioning the system reverse all
above actions. (See Taps in Services section)
The Thetford Cassette porta potti is easily
winterised for storage. Empty the fresh water
tank using the drain tube/fresh water tank
level indicator (level indicator on electronic
models only). Pull the lever indicator/drain
tube down from top plug position and
outward through door opening to drain water
from the tank.
Empty the water fill funnel by pulling the
bottle away from tank. Remove the small
water cap on the filler bottom, allowing water
to drain from the water funnel. (Not C-200
toilet).
Do not tighten caps, this helps in keeping
unit dry.
The pour out spout and vent plug can be
removed. Seals should be greased if
necessary with acid-free vaseline.
Recomissioning the Water System
Fill the fresh water tank on the Thetford
Cassette porta potti using a hose or jerrycan
until the water in the funnel reaches the neck.
Tank capacity is 15 litres. Aqua Rinse may be
added to improve cleaning of bowl and
flushing of unit.
Replace cap. Swing back the water fill funnel
until it touches the water tank.
Add Aqua Kem (100 ml) into the Cassette (or
120 ml if using Aqua Kem Bio) through the
pour out spout. Add small amount of water
through the pour out spout and replace the
cap.
It is advisable after storage to flush the water
system initially with a sterilising agent (such
as Milton), and then with water repeating until
the system is well flushed through.
Connect the pump.
Fill the system with water until water flows
112
Push up collar (A) to
release and pull plug
(B) down to remove.
B
A
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