Replacing The Rotor Shaft; Replacing The Rotor Shaft Cam; Replacing The Motor Drive Arm; Replacing The Drive Linkage - Dometic 4300 Manuel D'utilisation

Full Ceramic Gravity Discharge Toilet
14. Pull the mounting bracket and the rotor cam off the
base.
15. Rotate the flush ball forward and remove the flush-
ball retaining screw.
16. Replace the flush ball.
17. Reverse the disassembly procedure. Before
reassembling the entire toilet:
– Push the rotor cam all the way onto the rotor shaft
and tighten the set screw.
– Lubricate the moving parts with silicone grease.
– Check the cam switch for adjustment. See "7.1
Aligning the Cam Switch/Flush Ball" on page 11.

7 .5 Replacing the Rotor Shaft

Follow this procedure to replace the rotor shaft:
1. Follow the disassembly steps in "7.4 Replacing the
Flush Ball" on page 12.
2. Pull the rotor shaft out from inside the base.
3. Lubricate the O-rings on the new shaft using silicone
grease.
4. Align the flat section on the rotor shaft with the flat
section in the cam.
5. Push the rotor shaft cam fully onto the rotor-shaft.
Tighten the set screw.
6. Lubricate all moving parts using silicone grease.
7. Reverse the disassembly procedure. Before
attaching the base to the toilet, check the cam switch
for adjustment. See "7.1 Aligning the Cam Switch/
Flush Ball" on page 11.

7 .6 Replacing the Rotor Shaft Cam

Follow this procedure to replace the rotor shaft cam:
1. Follow disassembly steps under "7.4 Replacing the
Flush Ball" on page 12.
2. Remove the linkage pin clip and pin.
3. Attach the new rotor shaft cam to the linkage, using
the pin and clip.
EN
4. Lubricate all moving parts using silicone grease.
5. Reverse the disassembly procedure.
6. Reverse the disassembly procedure. Before
attaching the base to the toilet, check the cam switch
for adjustment. See "7.1 Aligning the Cam Switch/
Flush Ball" on page 11.

7 .7 Replacing the Motor Drive Arm

Follow this procedure to replace the motor drive arm:
1. Follow the disassembly steps in "7.4 Replacing the
Flush Ball" on page 12.
2. Remove the four motor-mounting screws.
3. Remove the motor from the mounting bracket.
4. Loosen the drive-arm set screw using a 3/32 in.
(0.25 mm) hex tool.
5. Remove the old drive-arm.
6. Install the new drive arm and push it on the motor
shaft as far as possible.
7. Tighten the set screw.
8. Lubricate all moving parts using silicone grease.
9. Reverse the disassembly procedure. Before
attaching the base to the toilet, check the cam switch
for adjustment. See "7.1 Aligning the Cam Switch/
Flush Ball" on page 11.

7 .8 Replacing the Drive Linkage

Follow this procedure to replace the drive linkage:
1. Follow the disassembly steps in "7.4 Replacing the
Flush Ball" on page 12.
2. Remove the linkage pin clip and pin at the rotor shaft
cam.
3. Remove the flush spring retaining screw and washer
from the retaining post.
4. Remove the flush spring from the old linkage.
5. Insert the flush spring to the new linkage
6. Reattach the spring to the retaining post.
Troubleshooting
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