Griddle Thermostat Adjustments; Bypass Adjustments - Vulcan-Hart MG12 Service Manual

GRIDDLE THERMOSTAT ADJUSTMENTS

These procedures should be performed only by a qualified Vulcan-Hart service representative.
Bypass Adjustment
Tools Required: Thermometer test instrument (not of bi-metal or mercury type), standard flat blade
screwdriver.
WARNING: DO NOT USE BI-METAL OR MERCURY THERMOMETERS WHEN TESTING FOOD
EQUIPMENT OR PRODUCTS. CHEMICALS WITHIN THESE INSTRUMENTS MAY BE TOXIC IF
EXPOSED TO FOOD.
1. Check the griddle temperature against the thermostat dial setting.
Place the thermocouple of the test instrument on the center of each individual griddle section. Each
griddle section must be tested. Light the main burner by turning the thermostat to 500 F.
Allow at least 10 minutes for temperature to stabilize. Check reading against dial setting.
2. If out of calibration, turn the dial to the highest set temperature.
3. After 10 minutes, turn dial clockwise to the point slightly beyond first mark on dial (shown by an "X").
4. Remove the dial and sleeve (Fig. 5).
5. With a screwdriver, turn left-hand bypass adjustor screw counterclockwise to increase flame,
clockwise to decrease flame, until the flame appears to be
6. Reinstall the sleeve and dial. Turn the dial clockwise until it locks into the OFF position.
Fig. 5
1 ⁄ " over the entire burner area (Fig. 6).
8
– 10 –
Fig. 6