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 TM 55-1905-220-14-9
4-44. GALLEY RANGE - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
ADJUSTMENT
6. Oven
a. Place a thermocouple or oven thermometer at
thermostat
the center of the oven 4 inches above the
baffle deck.
b. Set oven thermostat to 375and allow one
hour to gain steady temperature. (Turn
upper switch OFF and lower switch on HIGH).
c.
If at the end of one hour the temperature
reading is between 350 and 400 the
F
calibration is correct. If the reading is
above or below these figures, proceed to
recalibrate.
d. Pull off the thermostat knob being careful
not to rotate the dial or the dial hub.
e. Loosen slightly the two formost screws.
f. Hold the dial hub firmly and rotate the
calibration plate clockwise if the tempera-
ture is below 350 and counterclockwise if
F
the temperature is above 4000F.
NOTE
The calibration plate has a scale and the letters "L" (lower) and
"R" (raise). The scale on the calibration plate is marked at
intervals of approximately 20 .
F
4-1131
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