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IPG-9
F. IGNITION Continued)
Figure 1. Spark Gap Setting and Electrode Positioning
3. Ensure that the gas ball valve is closed.
4. Start the blower or air supply.
5. Open the air ball valve to the full open position.
6. Energize the ignition transformer and verify that an adequate spark is produced.
NOTE
Ensure pilots are properly grounded to prevent equipment damage or personal
injury. Exercise care to avoid over-tightening the spark plug holding nut as this may
crack the ceramic insulator of the plug. Avoid, where possible, the use of long
ignition wires. Long ignition wire can cause rapid spark plug wear or erosion.
Suggested methods to avoid this problem are explained in Application Sheet GJ57
.
CAUTION
Ignition of the pilot results in a high voltage spark in excess of 5000 volts and an
open flame. Remain clear of ignition wire, spark plug and pilot nozzle while firing the
pilot.
S4241
(NOT TO SCALE)
