Dometic RM4223 User Manual download pdf (Page 11)

C. Examination and Cleaning of Flue, Burner and Jet

Once or twice a year, look through the opening (see FIG.

9) in the burner box and examine the appearance of the

burner flame which should be predominantly blue in

color when the gas thermostat knob is set to its highest

position. (Refer to FIG. 10).

If this is not the case, clean the flue, burner, jet, etc. (see

section D and E).

D. Cleaning of Burner, Burner Jet (Refer to FIG.11)

Proceed as follows:

1) Turn off the gas at the gas bottle.

2) By using a phillips screwdriver, remove the screw (B)

and carefully withdraw the burner cover box. Clean

the inside of the box of soot and other deposits.

3) To clean the burner, unscrew the screw (C) that fixes

the burner on the boiler tube and be careful in order

not to lose the washer.

4) Clean the inside of the burner.

5) To examine and eventually clean the burner jet,

unscrew the gas pipe union (K) and pull out the

burner jet (L).

6) Clean the jet by washing it in alcohol and blowing it

through with air.

DO NOT use a wire or pin when cleaning the

burner jet as damage can occur to the precision

opening. This can cause damage to the

refrigerator or create a fire hazard.

NOTE: The jet fitted to this refrigerator is a size

"43" which is suitable for use on propane gas at

11 inches water column. The orifice in the jet is

very small and must never be cleaned by means

of a pin or similar instrument as this would

damage the orifice. It must only be cleaned as

described above.

7) Reassemble the components in the reverse order to

that described above.

E. CLEANING OF FLUE TUBE, FLUE BAFFLE

Proceed as follows:

1) To clean the flue tube and the flue baffle, it is neces

sary to withdraw the refrigerator out of the recess.

See Section D, Item 1.

2) By using a phillips screwdriver, remove the screw (B,

in FIG. 11) and carefully withdraw the burner cover

box.

3) Place a piece of paper or cloth between the boiler

tube (E, in FIG. 11) and the burner assembly, to catch

falling deposits.

4) Remove the "T-piece" (A, in FIG. 12) at the top of the

flue by unscrewing the screw (B, in FIG. 12) that fixes

it to the flue pipe.

5) Carefully takeout the flue baffle (C, FIG. 12) and

clean.

6) Clean the flue tube of soot, etc. with the aid of a spe

cial flue brush, available from your supplier.

FIG. 9

FIG. 10

CLEAR BLUE COLOR OF FLAME

FIG. 11

FIG. 12

OPENING IN

BURNER BOX

! CAUTION

1 2 ... 6 7 8 9 10 11 12

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Dometic RM4223 User Manual Page 11

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