Town Mongolian Barbecue Small - Manual (Page 5)

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TROUBLE SHOOTING
Poor Performance
Most MBR performance problems can be traced to incorrect gas supply pressure. If your unit
is not getting hot quickly, it is necessary to determine if your unit has sufficient gas pressure to
operate normally.
MBR is supplied with a gas test tap on the gas manifold to check for proper pressure. It is sealed
with a 1/8 ” NPT plug. A suitable manometer may be attached to this test tap by a qualified gas
service mechanic to verify operating gas pressure. The unit should then be restarted following
the initial lighting instructions on page 4 of this manual. With all three burners operating, the
manometer should indicate 6” WC for natural gas or 10”WC for propane gas. If the measured
pressure differs from the above requirements, the problem causing low pressure results must
be corrected. If pressure is too high, a pressure regulator in addition to the standard pressure
regulator may be required (especially with Propane gas). If the pressure is too low contact your
installer and/or supply company. Undersized gas supply lines are often a cause of insufficient
operating pressure.
Pilot Failure
If one of the safety pilot fails (assuming the unit has worked for a while) suspect a faulty
thermocouple as the source of the problem. Replacement thermocouples and pilots may be
purchased from Town Food Service Eq. Co., Inc. or a commercial gas supply parts company.
Item No. 252238 Heavy Duty 36” Thermocouple
Item No. 252239 “L” Pilot with Bracket for Natural gas
Item No. 252239-1 “L” Pilot with Bracket for Propane gas
Note: The thermocouple is a consumable part. It’s life expectancy varies depending on use.
3. The remaining two pilots should light with only a two or three minute bleed time.
4. Turn all three burner valves counterclockwise to “on” position. Observe that each burner has
ignited with a clear, blue flame about 2” long. You may need to fan or blow on the burner
to get all the tips to light. The burners are designed to fully light when the cast iron flat top is
in position on the unit.
5. With burners lit, use a suitable gas leak detector and check for leaks in the entire gas train.
6. To shut down, turn burner valves clockwise to off position.