Thetford 19613 - Mechanism Assembly - Manual

Form #19632 Rev. 1/15/08
Tools needed
• Flat-blade screwdriver • Phillips Screwdriver
• Adjustable Wrench • Scraping tool
• Socket Wrench with 7/16” socket • Pliers
• Silicone Grease
• DAP Dynaflex Caulk or equivalent (available at most hardware stores)
Note:
• Read all instructions before beginning work.
To Remove Toilet From Floor
1. Turn off RV water supply per RV Owner’s Manual.
2. Press both keypad buttons at the same time, twice, to open blade and
drain bowl of water. If control or mechanism does not work, you will have
to open the valve manually. Remove the Sound Deadening Insulation
(if present) from the back of the mechanism to access the mechanism
lead screw (Fig. E). Turn knob (if present – otherwise use a 5/16” socket
wrench) clockwise to open the valve.
3. Pry off Bolt Caps with Flat-blade screwdriver. Use
7/16-inch wrench to remove Lag Screws.
Mechanism Assembly
Part #19613
White Mechanism Plate Mechanism
Fig. D
Mounting
Flange
Mechanism
Tube Lip
Fig. A
newer plates have
a 2nd hole at front
Switch
box
Fig. B
Mounting Flange
4. Turn off power to Toilet at RV’s DC distribution panel.
5. Tilt Toilet toward you to gain access to connections.
6. Disconnect Toilet’s 12-volt power hookup to RV.
7. Disconnect Water Supply Line from elbow connector by hand. Use
Adjustable Wrench if necessary, with care.
8. Remove Toilet from floor and place upside down on towel or soft fabric
mat.
9. Remove old Closet Flange Seal (may be found on toilet or in floor at
Closet Flange). Discard.
10. Cover Holding Tank opening to contain odor.
To Remove Old Part
1. Using Screwdriver handle, tap out 2 Mounting Bushings (Fig. B). Save
them.
2. Remove Mounting Flange (Fig. B).
3.
High Profile models only: If Extension Tube (Fig. C) did not come out
with Mounting Flange, remove it and the Extension Tube Seal. Save.
4. Remove and save 4 Mechanism Screws (MS, Fig. D).
5. Ease Mechanism Assembly off white Mechanism Plate. To get Mecha-
nism out, you may need to remove other parts (Fig. A). To remove Metal
Bracket, loosen screws and swing out. To remove Controller Assembly
and/or Switch Box, use a flat-bladed screwdriver to pry them from wall
of unit. Remove old adhesive pad(s).
6. Disconnect 2 (green/yellow) Wire Motor Leads from Mechanism As-
sembly (Fig. A). Use pliers if necessary.
7. Disconnect Overflow Tube if present (pre 3-16-03) from Mechanism
Assembly. Discard Mechanism if not returning.
(not present
on all mod-
els)
Fig. C
Shown
separate for
clarity – these
items nor-
mally remain
assembled
HIGH PRO-
FILE ONLY
Extension
Tube
Mounting
Flange Seal
Extension
Tube Seal
Clamp
Mounting Bushing
Controller As-
sembly
Motor Leads
Metal Bracket
Mechanism
RV Toilet Service Parts for
Aria/Aria Deluxe