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REPAIR PROCEDURES:
WARNING:
For all of the following repair procedures, the line must be isolated, depressurized, and drained before
removing the valve bonnet or removing the valve from line. Failure to do so may cause pressure to be
released resulting in severe injury or death.
HEAD REPLACEMENT:
1.
AVK can supply a complete head assembly for easy replacement. When ordering a new head assembly,
please refer to the check list below.
2.
Remove the head assembly according to the ‘DISASSEMBLY FOR INSPECTION’ section.
3.
Remove the Lever (416), if equipped, by removing the Shaft Nut (414), and Shaft Washer (415), and
place aside for later use.
4.
Install the new head assembly according to the "REASSEMBLY AFTER INSPECTION" section. Install the
lever removed in step 3 above according to "LEVER AND WEIGHT" or "LEVER AND SPRING" installation
procedures.
AVK Series 41 Head Assembly Ordering Checklist
Valve Size:_____________ inches
Shaft Options: _____Swing _____Weight _____Spring
Lever Location ( Looking Downstream): _____Left-Hand _____Right Hand
Sealing Options: _____Resilient _____Bronze
