How to Calibration and Maintenance of HEA IGNITOR

This Procedure is intended to provide guidance and instructions for carrying out the Calibration and maintenance of HEA IGNITOR as per standard practices prescribed by OEM or General Industry best practices in safe manner while ensuring minimization of environmental impacts to the extent possible.

SAFETY PRECAUTION REQUIRED:

a. Ensure proper illumination.

b. Use hand gloves while working with the system

c. Ensure use of proper P.P.E.

d. Keep the fire extinguishers ready within reachable limit for any exigency at the vicinity of work place.

e. Ensure proper earthing.

WORK INSTRUCTION :

a. The job includes attending defects, cleaning, servicing of solenoid, limit switch, power supply, and air supply of HEA Igniter.

b. Check the healthiness of 110VAC power supply for SOV coil in local JB & also in DCS panels.

c. Check for any rusting or other problem in SOV, check the plunger if required.

d. Check the operation of solenoid & service or replace (if required) the same if defective.

e. Check instrument air connection and tighten carefully if required, arrest air leakage if any.

f. Remove air filter regulator and clean its filter.

g. Check the limit switch; ensure external cleaning of limit switches. If defective replaces the same.

h. Check the feedback cable healthiness.

i. Check associated JB for cleaning and sealing.

j. Check the Igniter flexible rod & replace it if defective.

k. Check spark gap tube, if defective replace the same.

l. Remove the HEA spark rod with tip, remove tip from the rod and clean it with emery paper.

m. Replacement of spark tip if the same is found defective.

n. Check for proper sparking by connecting the cable and keeping the igniter on an insulator.

o. Reinsert Igniter and connect cable.

p. After normalization, return the PTW.

CHECKS BEFORE RELEASE OF PERMIT :

a. All T & P’s and manpower are removed.

b. Clean the maintenance area properly.

c. Normalize all isolation & Return PTW

HANDLING OF CONCESSIONS OR DEVIATIONS:

a. In the Event of Any Changes or Deviation from Procedure are required due to Urgent business requirements or system/Equipment approval should be obtained from Head O&M.

b. The report for the concerned task should clearly Captured the details of deviations and reason for the same.