Leak Testing; Checking For Leaks - Masterbuilt MPG 300S Manual Del Usuario

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Operating Instructions
CONNECTING THE LP GAS CYLINDER TO THE GRILL:
1. Inspect the propane tank valve rubber seal for cracks, wear or deterioration prior to use.
A damaged rubber seal can cause a gas leak, possibly resulting in an explosion, fire or
severe bodily harm. Do not use a propane tank with a damaged rubber seal.
2. Attach or detach regulator to the LP gas cylinder only when cylinder is sitting in tank holder.
3. Check that the cylinder valve is closed by turning the knob clockwise.
4. Check that the grill's burner control knobs are in the "OFF" positions.
5. Visually inspect the hose assembly prior to each use for evidence of damage, excess
wear, or deterioration. If found, replace the assembly before using your grill. Only the
manufacturer's supplied replacement should be used.
6. Remove the protective plastic cap from the cylinder valve.
7. Check that the hose does not contain kinks, does not contact sharp edges, and does not contact surfaces that may become
hot during use.
8. Hold regulator and insert the brass nipple into the LP cylinder valve outlet. Ensure that the device is centered properly.
9. Turn the large coupling nut clockwise by hand and tighten to a full stop. Take care not to cross thread the coupling nut onto
the cylinder valve. Do not use tools to tighten connection. Note: If you are unable to make the connection, repeat Steps 7-8.

LEAK TESTING:

WARNING: NEVER USE YOUR GRILL WITHOUT LEAK TESTING ALL GAS CONNECTIONS, HOSES AND PROPANE TANK.
DANGER: TO PREVENT FIRE OR EXPLOSION HAZARD:
• Do not smoke or permit ignition sources in the area while conducting a leak test.
• Perform test OUTDOORS in a well ventilated area that is protected from the wind.
• Never perform a leak test with a match or open flame.
• Never perform a leak test while the grill is in use or while grill is still hot.
WHEN TO PERFORM A LEAK TEST:
• A leak test should be performed each time the unit is operated.

CHECKING FOR LEAKS:

CAUTION: Strong odors, colds, sinus congestion, etc. may prevent the detection of propane by smell.
Use caution and common sense when testing for leaks.
Note: The leak test must be performed in an area that is quiet, out of the wind, and has adequate
lighting in order to see if bubbles are developing or so larger leaks can be detected by smell or sound.
1. Create a mixture of 50% water and 50% liquid dishwashing soap.
2. Open the doors.
3. Ensure all control knobs are set to the "OFF" position.
4. Turn on the gas at the Propane Tank Valve. Turn the Valve knob counter-
clockwise to fully open. If you hear a rushing sound or smell gas, turn
the gas off. Tighten any leaking connections. If leak is detected at
connection knob and tightening does not stop leak, re-inspect propane
tank rubber seal.
5. Apply the soapy water mixture to the hose and connections.
6. Check for bubbles, which indicates a leak. Large leaks may not be
detected by bubbles but should produce a rushing sound or gas smell.
7.
Turn off gas supply at Propane Tank Valve.
8. Turn on control knobs to release gas pressure in hose.
9. Turn control knobs to "OFF" position.
10. Tighten any leaking connections. If leak is detected at connection nut
and tightening does not stop leak, reinspect propane tank rubber seal.
11. Repeat soapy water test until no leaks are detected.
12. Turn off gas supply at Propane Tank Valve until you are ready to use your grill.
13. Wash off soapy residue with cold water and towel dry.
14. Wait 5 minutes to allow all gas to evacuate the area before lighting grill.
WARNING: DO NOT use the grill if leaks cannot be stopped.
Turn off gas and grill. Contact Masterbuilt. 1-800-489-1581
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