Anetsberger Brothers MX-7A, MX-7E FRYER TROUBLESHOOTING GUIDE Continued, Problem, Cause, Remedy

FRYER TROUBLESHOOTING GUIDE (Continued)

PROBLEM	CAUSE	REMEDY
Liquid shortening does	1. Low gas supply pressure [less than 6” W.C.	1. Measure the gas supply pres-
not reach the desired	for natural gas; (11” W.C. for propane)	sure.
temperature for frying.	when all other gas-powered equipment is	Contact your local gas supplier
	operating], causing reduced heat from main	to obtain adequate gas supply
	burners.	pressure.
	2. Low gas manifold pressure [less than 3½”	2. Measure the gas pressure at
	W.C. for natural gas; (10” W.C. for pro-	the fryer’s manifold pressure
	pane)].	tap. Adjust the manifold pres-
		sure (see Figure 6), as neces-
		sary: [a] Unscrew (and re-
		tain) the threaded Main Burner
		Regulator Adjustment Cover.
		Use a flat-blade screwdriver to
		turn the regulator adjustment
		screw (clockwise to increase;
		counterclockwise to decrease)
		to reset the pressure adjust-
		ment. Reinstall, and tighten,
		the Regulator Adjustment
		Cover, when finished.
	3. Loose knob on thermostat; or thermostat	3. Stir the shortening to mix the
	requires calibration (temperature setting dif-	hot shortening with some from
	fers by about 10°F from measured shorten-	the lower ‘cool zone’ and allow
	ing temperature).	it to sit for 5 minutes. Turn the
		thermostat knob until it ‘clicks’
		on (causing the main burners to
		flame); note the setting where
		this occurs. Turn the thermo-
		stat until it ‘clicks’ off (causing
		the main burners to go out);
		note the setting where this
		occurs. Repeat this tempera-
		ture ‘click points’ step at least
		three times to ensure that
		the shortening temperature has
		stabilized.
		Measure the temperature of
		the shortening by inserting an
		accurate thermometer about
		4 inches into the shortening to
		measure its temperature. If the
		temperature variation between
		the measured temperature and
		the thermostat setting is 10°F
		or less, the thermostat can be
		recalibrated.

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