Liquid Gas Operation Check; Operation Check; Introduction To Users; Transformation For Operation With Another Type Of Gas - MBM GF49T Instructions Pour L'installation, L'emploi Et L'entretien

2.9

LIQUID GAS OPERATION CHECK

Check whether the fitted nozzles correspond to the information of Tables II. Check whether the incoming pressure corresponds
to the information of Tables II. Make sure that the L.P.G. system has two pressure regulators of sufficient capacity and that the
evaporation capacity is sufficient. See also the publication entitled "Installation Instructions and Specifications of LPG systems.".
2.9.1

OPERATION CHECK

- Start the unit according to the user instructions, Sect. 5.
- Make sure there are no gas leaks following the local procedures.
- Check the ignition and inter-ignition of the pilot burner and main burner.
- Make sure the flue gases are discharged properly.
- Write on a "gas fitting" sticker, to stick onto the unit data plate, the gas and pressure for which the unit has been calibrated.
2.10

INTRODUCTION TO USERS

Explain the operation and use of the fryer to the user by referring to the instructions booklet and illustrate any changes. Leave
the instructions booklet with the user and explain he needs it for further reference.
3.

TRANSFORMATION FOR OPERATION WITH ANOTHER TYPE OF GAS

Shut the gas valve upstream from the unit.
3.1 REPLACING THE MAIN BURNER NOZZLE ( FIG. 2)
- Open the cabinet door and remove the oil containers
- Loosen screw (D) and press the primary air regulator (C) in the venturi
- Using a size 12 spanner, unscrew nozzle (B) and replace it with the one corresponding to the selected gas, according to the
indication on Table II
3.2 REPLACING THE PILOT BURNER NOZZLE (FIG. 3)
- Attention: first remove the spark-plug (5) by unscrewing the nut ( 8) with a 10 mm. spanner.
- Unscrew the nut using a 10 mm. spanner (2) and remove the pilot nozzle (7) The nozzle is hooked on to the bicone (3)
- Exchange the pilot nozzle with one corresponding with the selected gas, in accordance with the indication of Table II
- Tighten the nut firmily with a 10 mm. spanner.
IMPORTANT: When converting or adapting to another type of gas, it is compulsory to affix the corresponding initials
(sticker supplied together with nozzles) on to the technical data plate.
After replacing the nozzles, apply on the existing label the one supplied with the machine indicating the new type of gas.
4.
The unit needs to be checked at least once every 6 months. You have to check the burner assembly, ignition, inter-ignition,
maximum and minimum settings.
For any repairs, call solely an authorized technical service centre and ask for genuine parts. Before removing and replacing
components, shut off the gas cock and take off the front panel. Now go ahead and replace the most important parts:
A - Piezoelectric ignition
- Disconnect the high-voltage cable.
- Unscrew the nut with a 27 mm wrench.
- Replace the igniter.
- Fit it all back together in reverse order to the above.
GB
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REPLACING THE MOST IMPORTANT COMPONENTS

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