Honeywell HON HSV086 Operation & Maintenance Manual page 40

Safety shut-off valves

Table of Contents

Failure

Indication valve

position K1 and

indication on body

cover indicate valve

closed, but valve

position indication in

SVC086 indicates

valve open.

Table VII: Summary of possible failures

Operation and maintenance manual HON HSV086

Possible cause of failure

Mechanical problem to the

valve.

Solution

Check locally whether the

valve has dropped (second

stage handle H2 has

dropped) and, if necessary,

carry out extensive

maintenance work.

Table of Contents