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Part # 1382677 (08/06) Page 15
CLEANING AND MAINTENANCE Continued
Preventive Maintenance
In order to keep the unit operation at top efficiency, it is
advisable to perform preventive maintenance regularly.
e frequency of this maintenance will depend on how
hard the unit is used, and you should discuss this with
your nearest GARLAND authorized Service Agent.
Preventive maintenance should cover at least the
following:
1. Check pilot flame for correct length.
2. Check main burner flames for good ignition and
proper burner adjustment.
3. Check thermostat calibration.
4. Check thermopile output
5. is fryer needs no lubrication
TROUBLE SHOOTING AND ADJUSTMENTS
Adjustments
e burner used on your GARLAND Fryer is a patented
design which does not require primary air, so no primary
air adjustment is possible. When the proper gas is being
used, at the proper pressure, and the ceramic targets
are adjusted properly, combustion will begin about
even with the bottom of the ceramic. e sound that is
characteristic is a low roar, similar to a blowtorch.
e correct type of gas and BTU content for which
the fryer was equipped at the factory is noted on the
nameplate, and this gas must be used.
NEVER THROTTLE DOWN THE INCOMING
GAS IN AN EFFORT TO MAKE THE FLAME
BURN DIRECTLY ON THE ORIFICE.
Possible Causes Remedy
1 Thermostat does not call for heat
(does not open gas valve at all).
1 See Below:
a. Lead wires damaged. a. Repair or replace wires on thermostat.
b. Set too low. b. Raise setting.
c. Out of calibration c. Re-calibrate
d. Thermostat defective d. Replace
2. Thermostat does not control set point 2 See Below:
a. Out of calibration. a. Re-calibrate
b. Contaminated or burned contacts b. Replace thermostat
c. Knob of thermostat loose on shaft c. Calibrate thermostat and tighten set screws.
Trouble Shooting
A piece of mechanical equipment which is used as hard as
a deep fat fryer is going to require service as the fryer gets
older; therefore, the following chart outlines problems
that are most likely to occur and what to do to correct
them.
ere are several possible sources of trouble in connection
with the operating thermostat. Usually the trouble will
be noticed by either the thermostat not causing the gas
valve to open, or by causing it to open at the wrong
temperature. If it opens the gas valve at the wrong
temperature, it is said to be out of calibration. If all the
other parts of the appliance are operation as they should,
the following chart will help locate the source of trouble
and correct it.