SeaLand 4800 Series VacuFlush - Manual (Page 15)

15
SeaLand 4800 Series 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 .