13
11.0
PULSAlarm® Diaphragm Maintenance
After diaphragm failure, pressurized process fluid can be present in
any part of the PULSAlarm® Leak Detection System. Take
appropriate precautions and handle with care.
Diaphragm and head orientation
11.1 PULSAlarm® Diaphragm Removal
BE SAFE
–
FOLLOW ALL APPLICABLE SAFETY PROCEDURES
BEFORE MAINTENANCE. ASSURE THE ENVIRONMENT IS
SAFE, USE PERSONAL PROTECTIVE EQUIPMENT
APPROPRIATE TO THE JOB, RELEAVE ANY STORED ENERGY
(E.G., PRESSURE IN SYSTEM PIPING AND PUMP
HYDRAULICS) AND CONTROL UNINTENDED OPERATION
(E.G., APPLY LOCK-OUT/TAG-OUT PROCEDURES
Use the following procedure to remove the Leak Detection Diaphragm:
1. Disconnect the power source to the drive motor (apply all necessary engineering
controls
– e.g., lockout-tagout).
2. Relieve all pressure from the piping system, and close the inlet and outlet shutoff
valves
3. Take all precautions to prevent environmental and personnel exposure to
hazardous materials.
4. Place a suitable container underneath the pump head to catch any liquid leakage.
5. Disconnect process piping and drain any process liquid, following
material safety precautions.
6. Remove all but one top reagent head bolt. Oil will leak out between the
pump head and reagent head as the bolts are loosened.
7. Tilt the head and pour out any liquids retained by the check valves into a
suitable container, continuing to follow safety precautions as appropriate.
8. Remove the alarm switch assembly or pressure gauge from the reagent head.
Summary of Contents for PULSAlarm Pulsa Series
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