ALL SAQ Block 3 Flashcards
(32 cards)
What should be done if signs of heat stress or damage are detected in the diffusers?
Replace the diffusers immediately
What should be done daily to maintain burners, according to Cleaver Brooks?
Check the start-up and operation of the burner pilot and main flames
What should be checked monthly for cleanliness and proper condition, according to Cleaver Brooks?
Flame scanner
What should be used to clean the surface contaminants from flame rods?
Scotch-Brite pad or steel wool
What tool can be useful as a gap gauge for ignition electrodes?
Allen Key
How often should the peepsite and sightports be checked for cracks in the lens?
Weekly
What is the purpose of optical detectors in burners?
To detect flame presence
What is flame impingement?
When the flame contacts other surfaces within the appliance
What should be checked and replaced before closing up a boiler or remounting a burner?
Gaskets
What should be checked annually for proper calibration, according to Cleaver Brooks?
Gauges and thermometers
Which components might need to be accessed by opening up the burner?
Ignition electrode, flame rod, oil nozzle
What can insufficient combustion air cause?
Overheating of the burner
How can cracks in ceramic insulation around electrodes be identified?
By visual inspection and tapping with a screwdriver
What is the maximum flame signal that can be achieved for Honeywell flame safeguards during recommissioning?
5
What is the standard electrode setting for burners, according to Cleaver Brooks?
1/8” to 3/16”
When should the oil in the air compressor be changed according to Cleaver Brooks?
After 500 hours of operation
How often should the air-fuel ratio be checked according to Cleaver Brooks?
Monthly
What is the final step for a wide-open upstream monitor installation during setup?
Reduce the downstream working pilot setting to normal outlet pressure.
How should the pilot adjusting screw be turned to increase the downstream pressure?
Turned into the spring case.
What is the function of the main valve in the Fisher EZR regulator?
To handle maximum inlet pressures and pressure drops.
What should be done for a wide-open downstream monitor installation during setup?
Adjust the downstream monitoring pilot to the desired monitor takeover pressure first.
What should you ensure before turning on the gas to the regulator(s)?
The regulator(s) can handle the incoming pressures.
What happens to the Type 112 restrictor at the “0” setting?
It has the smallest flow passage but never completely shuts off.
In a Wide-Open Monitor System, what happens during normal operation?
The monitoring regulator remains wide open, while the working regulator manages the reduction to distribution pressure.
