Garland M/MST35 Installation, Operating & Service Instructions

Also see for M/MST35: Installation, operation and maintenance manual

Contents

Garland M/MST35 Installation, Operating & Service Instructions Manual pdf 15 page image

Part # 1382677 (08/06) Page 15CLEANING AND MAINTENANCE ContinuedPreventive MaintenanceIn order to keep the unit operation at top efficiency, it isadvisable to perform preventive maintenance regularly.The frequency of this maintenance will depend on howhard the unit is used, and you should discuss this withyour nearest GARLAND authorized Service Agent.Preventive maintenance should cover at least thefollowing:1. Check pilot flame for correct length.2. Check main burner flames for good ignition andproper burner adjustment.3. Check thermostat calibration.4. Check thermopile output5. This fryer needs no lubricationTROUBLE SHOOTING AND ADJUSTMENTSAdjustmentsThe burner used on your GARLAND Fryer is a patenteddesign which does not require primary air, so no primaryair adjustment is possible. When the proper gas is beingused, at the proper pressure, and the ceramic targetsare adjusted properly, combustion will begin abouteven with the bottom of the ceramic. The sound that ischaracteristic is a low roar, similar to a blowtorch.The correct type of gas and BTU content for whichthe fryer was equipped at the factory is noted on thenameplate, and this gas must be used.NEVER THROTTLE DOWN THE INCOMINGGAS IN AN EFFORT TO MAKE THE FLAMEBURN DIRECTLY ON THE ORIFICE.Possible Causes Remedy1 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-calibrated. Thermostat defective d. Replace2. Thermostat does not control set point 2 See Below:a. Out of calibration. a. Re-calibrateb. Contaminated or burned contacts b. Replace thermostatc. Knob of thermostat loose on shaft c. Calibrate thermostat and tighten set screws.Trouble ShootingA piece of mechanical equipment which is used as hard asa deep fat fryer is going to require service as the fryer getsolder; therefore, the following chart outlines problemsthat are most likely to occur and what to do to correctthem.There are several possible sources of trouble in connectionwith the operating thermostat. Usually the trouble willbe noticed by either the thermostat not causing the gasvalve to open, or by causing it to open at the wrongtemperature. If it opens the gas valve at the wrongtemperature, it is said to be out of calibration. If all theother parts of the appliance are operation as they should,the following chart will help locate the source of troubleand correct it.