Southbend 4601DD-2RR Manuel d'utilisateur télécharger pdf (Page 19)

OWNER’S MANUAL 1190820 REV 4 (10/14)

PAGE

OF 34

ULTIMATE RESTAURANT RANGES

ADJUSTMENT OF OPEN-TOP BURNERS

All open-top burners are primarily adjusted by means of an air shutter on the mixer face.

To adjust a burner, loosen the screw that holds the air shutter in position and rotate the mixer cap until a clear, stable blue

ame is obtained. The ame should not be yellow tipped nor should it blow off the burner ports.

All orice sizes and burner rate are properly set at the factory and should not be altered.

Over-rated burners cause poor burner and pilot performance, resulting in less heat, and wasted gas.

ADJUSTMENT OF GAS OVEN STANDING PILOT

The standing oven pilot ame can be adjusted by turning the adjusting screw on the pilot line valve with a screwdriver.

The pilot line valve is located behind the kick panel below the oven door. Remove the kick panel to gain access. The pilot

ame is properly adjusted when it is just large enough to maintain a glowing red color of the thermopile capillary bulb.

ADJUSTMENT OF GAS OVEN BURNER

The oven burner orice is of the xed type, sized for the specied gas supply. The burner ame characteristics are con-

trolled by varying the primary air mixer cap. There should be a clear blue ame with a distinct inner cone at each port.

Excessive primary air can result in “blowing” or the ames leaving the ports. Lack of primary air causes soft or yellow

tipped ame.

ADJUSTMENT OF CHARBROILER, STANDARD-GRIDDLE, AND UNIFORM HOT-

TOP BURNERS AND PILOTS

The burner valves are not adjustable. The burner orice is of the xed type, sized for the type of gas and the operating

altitude. To adjust the burner air-gas mixture, loosen the screw that secures the air shutter on the mixer face and rotate

the mixer cap to obtain a clear, stable blue ame with a distinct inner cone at each port. Excessive primary air causes

“blowing” (the ames leaving the ports), while insufcient primary air causes a soft or yellow tipped ame.

The pilots are near the front of the burners, and are held in position by brackets. To adjust a pilot ame, insert a screw-

driver through the opening in the valve panel between the control knobs and turn the appropriate pilot adjustment screw

counterclockwise to increase the size of the pilot ame, or clockwise to decrease the size of the pilot ame. The maxi-

mum ame size is approximately 3/4” with a slight yellow tip. The rst indication of over-adjustment is when the ame tip

becomes more yellow and begins to generate carbon, which appears as rising black streaks. Continued over-adjustment

leads to unstable lifting and a blowing condition.

CALIBRATION OF GAS OVEN THERMOSTAT

The oven thermostat control is carefully calibrated at the factory so that its dial settings closely match actual oven tem-

peratures. Field recalibration is seldom necessary, and should not be resorted to unless considerable experience with

unexpected cooking results denitely proves that the control is not maintaining the temperatures to which the dial is set.

When checking the oven temperature, use a test instrument or a reliable mercury thermometer positioned in the center of

the oven. The oven bottom must be in place. For convection ovens, the blower bafe must be in place.

Proceed as follows:

1. Light the oven pilot, set the oven thermostat to 350°F, and, if the oven is a convection oven, turn on the fan.

2. After burner has been on about 15 minutes, check the oven temperature. The oven door should be open for as short a

time as possible. Use a ashlight, if necessary, to see the thermometer clearly.

3. Continue to check temperature noting the minimum and maximum “swing” variation in temperature until two successive

readings are within 5 degrees of each other. The oven temperature is the midpoint of the “swing” range.

ADJUSTMENTS

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Southbend 4601DD-2RR Manuel d'utilisateur Page 19

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