North American TwinBed® II 8663A Cycle Control Manifold for Individual Burner
Spare Parts 8663A
RECOMMENDED SPARE PARTS
8663A CYCLE CONTROL MANIFOLD
Description
Part Number
Part Description
Part Number
Rubber seal and quick
R950-5016
Internally piloted ceram valve
2-8350-1
release valve (QRV) kit including instructions and illustrations
(Dœs not include lighted conduit connector)
Qty
Part Name
Manifold body
2-8614-1
Conduit assy. (Includes lighted conduit connector)
4 2 2 2
Solenoid "O" rings (2 req'd) Cylinder "O" rings (1 req'd)
2-8484-2 R800-1001 2-8598-1 2-8600-1 2-8599-1 R950-5001
Muffler/silencer Mounting bracket Mounting plate Support bracket Blanking station kit
(a) "O" ring piston seal (old style) (a) U-Cup piston seal (new style)
1
"O" ring for air spring return (NA)
2
End cover gasket (1 req'd)
1 1
(b) Subplate gasket (new Style) (b) Subplate gasket (old Style)
(Includes plate, gasket, and screws) Wireway assy
2 2 2
QRV cover Insert (1 req'd)
2-8612-1
QRV covers (2 req'd)
Coil and operator (UL Listed) Coil and operator (CSA Approved)
R950-5024 R950-5026
(c) QRV diaphragm
1
(c) QRV plug
2 2 2
Cover "O" ring (2 req'd)
QRV seat (N/A)
(c) "O" ring for seat (NA)
1444A REPAIR KIT
1
Grease (2 grams)
(a) A quantity of one (1) of the seals is required depending on the solenoid valve style being repaired. The spring return side of the ceram valve dœs not have piston seals therefore only the piston seal on the solenoid side of the valve requires replacement. Replace the worn seal with a new one of the same type. (b) A quantity of one (1) of the subplate gaskets is required depending on the solenoid valve style being repaired. Replace the worn subplate gasket with a new one of the same type. (c) The QRV diaphragm or the QRV plug is used when rebuilding the QRV on the solenoid side of the ceram valve depending on the style. If the ceram valve dœs not have a removable QRV seat, install the green diaphragm in place of the gray one. If there is a removable QRV seat, discard seat and "O" ring and install the QRV plug and new "O" ring. The spring return side dœs not require a diaphragm or plug.
In 1989/1990, the ceram solenoid valve casting design was changed which affects some of the seals and gaskets. The repair kit includes parts for both new and old styles and for double air piloted solenoid valves, therefore some of the parts will not be used in the repair of the single solenoid, spring return valves.
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