Thetford 23709 Setup guide

Repair instruction
Description: C250 S/CS Electric Valve
Part number: 23709
Look for Service Centres, Point of Sale addresses and other
information on: www.thetford.eu
Version: V2
Date: Mai 2011
Tools required:
Remove
A Waste holding tank
B
Remove bowl retainer
bracket closest to the door Take the bowl inner off
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C
Remove
retaining clip Remove valve
D
Slide hose clamp Push new valve in tube, arrow
over tube should be in direction of water flow
E
Push tube onto valve
Assemble hose
clamps
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F
Route tubing around Warning! Lip to be at inside
bowl
G
Push the Bowl inner Bring tube back in
assembly back in position
position
H
Rotate the retainer back in Assemble the retainer Rotate the
position retainer back in position in
position
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I
Place waste holding tank back into toilet
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Repair instruction
Description: SC250 Overlay
Part number: 50708
Look for Service Centres, Point of Sale addresses and other
information on: www.thetford-europe.com
Version: 1
Date: June 2010
Tools required: Stanley knife
Using a sharp object such
as a stanley knife carefully
A peel back the overlay taking
care not to damage the
main body of the toilet
Remove overlay
B and place new
overlay
42695 1/1 06/10

Repair instruction
Description: SC250 Control panel
Part number: 50709/50710/50711
Look for Service Centres, Point of Sale addresses and other
information on: www.thetford-europe.com
Version: 1
Date: June 2010
Tools required: Stanley knife, flat head screwdriver
A
B
C
Locate the overlay on the top
of the toilet
Using a sharp object such as a
stanley knife carefully peel back the
overlay taking care not to damage
the main body of the toilet
Once the overlay has been
removed use a flat head screw
driver to unclip the panel that
houses the control panel and turn it
over
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Simply unclip the control
D panel from its housing.
**Note
Take note of the positioning of the
E wire connecting as this is important
when re-attaching
Remove control panel and replace
F with new
Clip the control panel back
G into its housing and clip the
two parts back in the toilet
H Replace the overlay
** In case the PCB is glued with hotmelt to the housing, steps D until G can be left out.
42689 2/2 06/10

Repair instruction
Description: SC250 CWE Pump
Part Number: 50712
Look for Service Centres, Point of Sale addresses and other
information on: www.thetford.eu
Version: V1
Date: June 2010
Tools required: Electrical crimps
Drain the flush water tank,
A remove the waste tank and
remove the fuse
Locate the pump and remove
B from it’s housing by moving
the two arms away from each
other
Once the pump has been
removed disconnect the flush
C tube from the top of the pump
and remove the tube from the
base of the water tank
42690 1/3 06/10

Cut the faulty cable leaving
D enough wire to allow for
ease of reconnection.
E Strip back the wires to show the
bare cable
F Crimp the cable of the new
pump to the existing wiring
using the connections
supplied
G Reconnect the flush tube to the
top of the pump
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Reconnect the flush tube to the
base of the water tank making
H sure the clip is in place and
push the opposite end onto the
pump
I Replace the pump into its
housing
Replace the fuse and holding
J tank, add a couple of litres of
water to the flush tank and test.
42690 3/3 06/10

Repair instruction
Description: SC250 Reed Switch
Part Number: 50713/50714/50715
Look for Service Centres, Point of Sale addresses and other
information on: www.thetford.eu
Version: V1
Date: June 2010
Tools required:
A
B
C
Remove the waste tank and
locate the reed switch which can
be found on a stem towards the
front of the toilet
Simply remove the reed switch
by pulling it up and away from its
housing at the top of the stem
Replace the reed switch and
ensure that it is correctly inserted
into the wiring harness
connection
42697 1/1 06/10

Repair instruction
Description: C250 Reed switch housing
Part number: 50716
Look for Service Centres, Point of Sale addresses and other
information on: www.thetford.eu
Version: 1
Date: June 2010
Tools required: Stanley knife, flat screwdriver
Remove waste-
A holding tank out
Cassette toilet.
Locate the reed switch housing
which can be found in the back
B where the waste-holding tank
is taken out. By pressing the lip
on the housing, the reed switch
can be taken out.
Remove cable out of reed switch
housing.
C As the reed switch housing is held
on its place by holt melt use
stanley knife for the front and flat
screwdriver for the bottom to take
reed switch housing out.
Before replacing the new reed
D switch housing, use hot melt to
keep the housing on its place
and place cable back. Press
reed switch back in.
42780 1/1 06/10

Repair instruction
Description: C250CWE Drain
Part number: 50717
Look for Service Centres, Point of Sale addresses and other
information on: www.thetford.eu
Version: 1
Date: June 2010
Tools required: Flat screwdriver
A Turn drain to the outside.
Place flat screwdriver between
drain and tank and push drain
B loose.
Take drain off and press new
drain on.
42781 1/1 06/10

Repair instruction
Description: SC250/400 Pour out spout
Part number: 5071992/3230606
Look for Service Centres, Point of Sale addresses and other
information on: www.thetford-europe.com
Version: 1
Date: April 2010
Tools required: -
Turn pour out spout anti
A clockwise and take it
out.
Place new pour out
spout and turn
B clockwise back into
position.
51310 1/1 04/10

Repair instruction
Description: SC250/C260 Waste-holding tank plate
Part number: 50723-06
Look for Service Centres, Point of Sale addresses and other
information on: www.thetford-europe.com
Version: 2
Date: August 2011
Tools required: Philips head screwdriver
In case you are operating on a C250 and changing your Holding Tank, The Holding
tank Mechanism, or the plate only of the Holding tank mechanism, it is strongly
recommended to also change the bowl retainer bracket to avoid Leakage !
A Remove waste holding-tank out
of toilet.
Using the sliding cover as a
lever, rotate the complete
B mechanism anti clockwise until
the arrow points to the second
dot
Remove 3 screws out
C of retainer.
Press two ribs from retainer
in, take it off and remove
D blade arm.
08/11 Description : Leaflet
42698 1

Take 1 screw out of bushing
E and remove blade driver.
Take bushing out and
F remove blade.
Press two ribs from blade
G opener in which allows to pull
out the blade opener from the
other side.
Take 6 screws out of seal
H retainer and take lip seal
out.
J Remove seal of mechanism.
K For assembling mechanism follow steps in reverse.
Note: when placing the
Note: when placing the retainer please make
seal retainer please sure that the white pin is
make sure that the small positioned on the dot on
pivot is falling in the mechanism.
retainer.
08/11 Description : Leaflet 2
42698

Repair instruction
Description: SC250/400 Seal mechanism
Part number: 50724
Look for Service Centres, Point of Sale addresses and other
information on: www.thetford-europe.com
Version: 1
Date: April 2010
Tools required: -
A
B
C
Using the sliding cover
as a lever rotate the
complete mechanism anti
clockwise until the arrow
points to the second dot
Take complete
mechanism out and
place it upside down.
Remove seal from
mechanism and place
new one.
D For assembling mechanism follow steps in reverse.
51303 1/1 04/10

Repair instruction
Description: SC250 Waste-holding tank float
Part Number: 50725
Look for Service Centres, Point of Sale addresses and other
information on: www.thetford.eu
Version: V1
Date: June 2010
Tools required:
While looking down on the top of
the tank you will notice the sliding
A cover.Also on the disc there is
an arrow which is pointing to a
solid dot on the main body of the
toilet.
Remove the sliding cover
B and re-insert from the
opposite end.
Using the sliding cover as a lever
rotate the complete mechanism anti
C clockwise until the arrow points to the
second dot.
.
.
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D The complete disc and
mechanism can now be removed.
The float should be easily visible
E however if it has been washed away the
float housing can be found between the
wheels towards the top of the tank
The float simply unclips and clips
F back into place, when replacing
the float ensure the fin is
positioned towards the base of
the waste tank.
G Now you can simply replace the
mechanism and rotate back into
position.
Return the sliding to cover to
it’s original position, fill the
waste tank with clean water
and test.
42691 2/2 06/10

Repair instruction
Description: SC250 Waste-holding tank wheels
Part number: 50726
Look for Service Centres, Point of Sale addresses and other
information on: www.thetford-europe.com
Version: 1
Date: June 2010
Tools required: -
A Turn waste-holdingtank
upside down.
Place your hand on the side of the
B wheel and pull it out.
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