440i Sticking in Backwash or Brine Refill
Last Updated: 08/10/2011
PROBLEM - Customer Writes,
Slight chance it's a problem with the motor ( available in 120 volt and 12 volt versions ), so see this item, and for help OPENING the 440i case, see the video here,
Motor 12 volt for 440i
And complete replacement is an option.
See: 440 Replacement Timer Assembly 440iHV w/Cord
The newest replacement timer is the 460TC ( runs on 12 volts ),
And now available for Models 255,263 and 268 is the Logix 740 upgrade timer kit ( does NOT work with the older 155, 163, or 168 valves... sorry ).
Removing the Tripper Arm screw, the Skipper Wheel screw and the three cover plate screws will gain you complete access to all components for careful examination. It is easier to work on your timer housing if you remove it from the valve body. Pull out the timer retaining pin ( 5F ), slide power cord out of it's retaining slot, unscrew Cam Shaft Bearing at rear of Cam Shaft, and then pull housing straight up. Other Common Gears that fail
Also the "Out Put Connector" # 21E ( 1031496 ) which which attaches to and drives the Cam Shaft can crack or break. On rare occasions the Camshaft # 21F-3 ( 1031950 ) will break at one end.
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