SeaLand 4800 Series VacuFlush User Manual
Page 15

15
SeaLand VacuFlush Toilet
Maintenance/Winterizing/Service
REPLACING THE FLUSH BALL
1 . Turn off water to toilet .
2. Open flush ball in Service Mode, then turn off
power to toilet .
3. Disconnect water inlet hose.
4. Remove toilet from floor and turn upside down,
and disconnect Service Switch wires at in-line
connectors .
5. Pull check valve out of sealing grommet located in
rear of toilet bowl .
6. Remove three nuts and flat washers securing base
assembly to ceramic toilet bowl using a 1/4-inch
drive ratchet wrench, 7/16-inch deep-well socket
and extension .
7. Lift base assembly from toilet.
8. Remove bowl seal, flush ball seal, and retainer
plate to expose flush ball.
9. Loosen set screw in the rotor shaft cam using
a 1/8-inch hex tool .
10. Remove the #8 x 1/4-inch long screw and flat
washer from linkage slot.
11. Remove the four screws securing the mounting
bracket to base.
12. Pull mounting bracket and rotor cam off base.
13. Rotate flush ball forward and remove flush ball
retaining screw .
14. Replace flush ball and reverse disassembly
through step 10.
15. Push rotor cam all the way onto rotor shaft.
Tighten set screw .
16. Lubricate moving parts with silicone grease.
17. Before reassembling entire toilet, the cam switch
may require adjustment. See “Aligning The Cam
Switch” on page 14.
REPLACING THE ROTOR SHAFT
1 . Follow disassembly steps 1 through 14 under
“Replacing the Flush Ball”.
2. Pull rotor shaft out from inside of the base.
3. Lubricate O-rings on new shaft with silicone
grease .
4. Align flat section on rotor shaft with flat section in
cam during assembly. Push rotor shaft cam fully
onto rotor shaft . Tighten set screw .
5. Lubricate moving parts with silicone grease.
6. Reverse the disassembly procedure.
7. Before attaching base to toilet, the cam
switch may require adjustment. See
“Aligning The Cam Switch” on page 14.
REPLACING THE ROTOR SHAFT CAM
1 . Follow disassembly steps 1 through 14 under
“Replacing the Flush Ball”.
2. Remove linkage pin clip and pin.
3. Attach new rotor shaft cam to linkage using
pin and clip .
4. Lubricate moving parts with silicone grease.
5. Reverse the disassembly procedure.
6. Before attaching base to toilet, the cam
switch may require adjustment. See
“Aligning The Cam Switch” on page 14.
REPLACING THE MOTOR DRIVE ARM
1 . Follow disassembly steps 1 through 11 under
“Replacing the Flush Ball”.
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-inch
hex tool, then remove old Drive Arm.
5. Install new Drive Arm and push onto motor shaft
as far as possible . Tighten the set screw .
6. Lubricate moving parts with silicone grease.
7. Reverse disassembly procedure.
8. Before attaching base to toilet, the cam
switch may require adjustment. See
“Aligning The Cam Switch” on page 14.
REPLACING THE DRIVE LINkAGE
1 . Follow disassembly steps 1 through 13 under
“Replacing The Flush Ball”.
2. Remove linkage pin clip and pin at 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 into the new linkage
and reattach the spring to the retaining post .
6. Attach linkage to rotor shaft cam using pin
and clip .
7. Lubricate moving parts with silicone grease.
8. Reverse the disassembly procedure.