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| Maintaining Gas Lights
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| A Morco Coronet gas light is shown
for illustration (Fig. 1), but similar basic parts are found
on all gas lights such as the older type in Fig. 4. |
- Remove glass shade or globe after releasing the retaining
screws or spring clips. Wash the glass in warm water and
detergent, dry, and finally polish with a soft, clean cloth.
- Remove the mantle, first lifting any pressure plate (as
in Fig. 2), or releasing any spring clips or other
securing devices if these are fitted.
- Gently unscrew the fireclay nozzle (A) then remove the
asbestos washer (B) and, if fitted inside the shade, the
heat deflector plate (C).
- Unscrew the mixing tube (D) complete with air control
ring (E) from the jet block (H). (See Special Tip 2.)
- Taking care not to break ceramic jets by crushing, carefully
unscrew the jet (F). Remove the tiny lead washer (C) at
the back of the jet body. 6. Wash all metal parts in warm
water and detergent, dry carefully, and finally polish
with a soft, clean cloth.
- Blow jet holes clear (see Special Tip 3) and ensure that
the jet is clear by looking through it before reassembling
the fittings. The jet hole should appear quite clearly
defined and truly round.
- After reassembling, replace the mantle after burning
it off, and replace the glass. Set the air control ring
(E) to cover almost fully the holes in the mixing tube
(D) and light the gas. Carefully rotate the air control
ring until the light burns steadily, cleanly, and brightly,
with a very slight roar. At this point the air holes are
likely to be about 2/3rds to fully open.
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| Special Tips. |
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- Note exactly how the heat deflector plate (C) is fitted
and which way up it is before dismantling.
- If difficulty is experienced unscrewing mixing tube (D),
pass a long nail or meat skewer through the air holes of
the tube and use it to apply extra force. Apply force with
caution, mind the jet itself, and avoid twisting and distorting
the gas pipe which usually forms the support for the jet
block (H). NEVER use pliers directly upon the threads of
the mixing tube.
- As jets are easily damaged, NEVER use pins or needles
to clean lets. Stubborn blockages should be washed out,
or gently pushed out with a fine hair cut from a soft household
brush.
- Some lets are solid brass, not all have ceramic inserts,
but all jets have the jet size stamped on them to facilitate
ordering new ones when worn or damaged.
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| Note: There is no substitute
for expert advice, If you cannot obtain correct operation
consult your caravan dealer or gas agent. |
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| From an original Article in the March 1964 issue
of The Caravan |
| Download
this article in PDF Format |
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