User Manual

7
Level COntrols - IOM 377 Float Cage/326L & 322L Lever Valves 377_326L_322L_IOM_RevAa1112
MAINTENANCE – 377 FLOAT CAGE AND 326L OR 322L LEVER VALVE
• 377FloatCagesforthemostpartaremaintenancefreewhenchosenproperlyfortheapplication.Maintain
the fluid pressure and temperature within the limits of the 377 Float Cage (See 377 Float Cage Specification
section for additional details).
• 326Land322LLeverValvesforthemostpartaremaintenancefreewhensizedandchosenproperlyfor
the application. Maintain the fluid pressure, temperature, flow, and shut-off differential pressure within the
limits of the valve (See Information Present on 326L Lever Valves section or Information Present on 322L
Lever Valves section for location of important information on valve and 326L Lever Valve Specification
section or 322L Lever Valve Specification section for additional details).
• 326Land322LLeverValvesareequippedwithself-adjustingpacking;noadjustmentisrequired.Thevalve
stem must be kept free of debris, deposits, dirt, dust, and scratches or the packing parts may be damaged
resulting in a packing leak.
• Inwaterorwaterandglycolapplications,goodwaterqualitymustbemaintainedortheservicelifeof
the 377 Float Cage and 326L or 322L Lever Valve may be reduced (See Warren Controls Water Quality
Guidelines for details).
OVERHAUL – 377 FLOAT CAGE, AND 326L OR 322L LEVER VALVE
• Rebuildingofthe377FloatCageand326Lor322LLeverValveshouldnotbenecessaryundernormal
operating conditions. Should the 377 Float Cage and 326L or 322L Lever Valve become worn or defective,
parts kits are available. See Parts/ Overhaul.