Cast Iron Hot Tops And Spectro-Heat Tops; Adjustments; Pilot Adjustment; Burner Gas/Air Adjustments - Garland M series Operation Manual

MAINTENANCE Continued

Cast Iron Hot tops and Spectro-Heat Tops

DO NOT use water on tops while still hot or DO NOT COOL BY
USING ICE!
While the surface is still slightly warm, wipe down with a
clean burlap cloth. Burnt on spillage should be scraped off. If
necessary, remove the plate and wash in a sink with soap and
hot water. Dry thoroughly. In damp climates, wipe down with
a light coating of oil to prevent rusting. Avoid excessive use
of water as this could damage the surface and the controls
below.

ADJUSTMENTS

Pilot Adjustment

All pilot adjustment valves are mounted on the range top
manifold.
If required the open burner pilot should be adjusted so that
the tip of the pilot flame reached the middle of the flash tube
opening. This flame may show a slight yellow tip.
The pilot burner for the griddle or hot top burner should
provide for rapid ignition of the burner but should not
impinge on any part of the burner. When properly adjusted it
should neither lift off the burner nor should it show a yellow
tip.
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NOTE: Cast Iron Hot tops & Spectro-Heat Tops surface will
"tone" (blue/brown discoloration) from heat. This toning will
not diminish function or operating and is not a defect.

Burner Gas/Air Adjustments

Variations in field conditions, rough handling of the
equipment in transit may indicate the need for adjustment
of primary air to the burners. Check operation and adjust
as below to provide a sharp blue flame at full rate (open
valve fully so that the thermostat is calling for maximum gas
flow). On the burner (star, "H" griddle, knuckle, broiler, oven
burners) locate the air shutter. Loosen the lock-nut so that
the air shutter turns freely. Reinstall burner. Turn on gas low
and ignite burner. Rotate air shutter to obtain the following:
1. Open (Star) Burner: 1/2" stable, sharp inner blue cones.
2. Hot tops, griddles: 5/16" stable, sharp inner blue cones.
3 Knuckle burners: 4" to 6" stable, blue flame, slight yellow
tips.
4. Broiler burners: 3 1/2" to 4" stable, blue flame, slight
yellow tips.
If the burner flames are sharp but lift off the burner ports,
reduce the amount of primary air by closing the air shutter.
NOTE: The rates shown in the chart in the specification
section are maximum rates and must not be exceeded
Part # 1382680 Rev 3 (05/10/11)