Manual Part No: 931760-01 MV1 Gas Fryer
- 21 –
Manual Rev No: 1
Service and Maintenance (cont.)
To Check Override Thermostat
During this check the temperature of the oil in the tank will reach up to 230
°
C and the greatest care
must be taken. It is preferable that old oil is used, as the oil will not be suitable for frying after the test.
12)
Re-heat the oil in the tank to 190
°
C.
13)
With the thermostat set to 190
°
C, short out the thermostat (either by bridging across its contacts
or by bridging across the valve contacts TP/TH & TH) the burner will re-light, allow to heat up
carefully checking the oil temperature with a thermometer.
NOTE
: That the over heat thermostat operates between 225
°
C - 230
°
C (inclusive of over-shoot) and
that the gas to the main burners goes out immediately.
14)
Remove the link wire from the operating thermostat.
15)
Allow to cool and press the reset button on the overheat thermostat.
16)
Turn on the thermostat and ensure that it operates and turns the gas to the burners on and off.
17)
Check all gas joints for gas leaks with leak detector fluid.
18)
Ensure there are no leaks from the drain valve and replace the old oil, after wiping out the fryer
to remove any stains.
