Coleman 9993 manual Leak Testing Refillable Cylinders, How to Check for Leaks

20# LP Cylinder Installation (continued)

4. Check that all grill burner knobs are in the off position (Fig. 40).

Fig. 40

5.Remove the protective caps from the cylinder valve and coupling nut. NOTE: The coupling nut connects to the large outside threads on the valve outlet.

6.Hold the hose in one hand and insert the nipple into the valve outlet. Be sure the nipple is centered in the valve outlet. Hand-tighten the coupling nut, taking care not to cross-thread the connection (Fig.41).

Fig. 41

No Smoking

TYPE 1

7.Turn the coupling nut clockwise, tighten to a full stop. If you cannot complete the final connection, disconnect the coupling nut and repeat steps 6 and 7. If you are still unable to complete the connection, DO NOT use this hose and valve!

8.Check that the hose has no kinks or sharp bends and clears areas that will become hot during use. Never put strain on the hose where it joins a fitting.

9.BEFORE lighting grill, check all connections for leaks using the procedure as shown in the section titled “LEAK TESTING”.

Leak Testing - Refillable Cylinders

DANGER

TO PREVENT FIRE OR EXPLOSION HAZARD:

•NO SMOKING. DO NOT use or permit sources of ignition in the area while doing a leak test.

•Perform leak tests outdoors only.

•NEVER perform a leak test with fire or flame.

How to Check for Leaks

1.Make a soapy solution of equal parts mild liquid dishwashing detergent and water.

2.Turn off all burner control knobs.

3.Turn on the fuel supply by turning the cylinder valve knob counterclockwise (right to left) one rotation.

4.Apply a soap solution to the connections indicated with the arrows in Fig. 42. If bubbles appear at these areas, a leak is indicated.

Fig. 42

No Smoking No Flame

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