ANNUAL CHECKLIST
45 TOGETHER WE’RE GOING PLACES
GAS SYSTEMS
Cylinders and regulators
Check the compatibility of cylinders and regulators.
Ensure that your regulator controls the gas to the
correct pressure for the type of cylinder in use.
Check that the air vents and gas drain through the
hole in the floor of the cylinder compartment and
are free from obstruction. Check that the seals on
all the internal doors are in good condition and fit
properly.
Hosing and piping
Check flexible hoses for cracking and condition.
Check the date stamped on them has not passed. If
the expiry date is close or has passed, have the hoses
replaced. Check all rigid piping for adequate support
and any damage.
Appliances
As a guide, checking the gas appliances can be
summarised as follows:
• Cleaning: Where appropriate, remove cover(s)
to gain access to exchanger. Remove any build-
up of flu or other foreign matter. Re-assemble
and test operation. Clean flame-viewing window.
• Operation of controls: Check all knobs are
secure on their spindles and that they work
smoothly. Check that the appliance works
properly by using normal controls without
forcing. If the gas taps are sti to operate, ease
them open with an approved LPG grease.
Flame structure
• Pilot flames: Should burn quietly and cleanly.
• Refrigerator: When the refrigerator gas control
is turned to maximum, the flame colour should
be predominantly blue.
• Water heater: The main burner should burn blue
and even of height.
• Ovens: Flames should be of even height and
burn quietly. The colour should be mainly blue/
green, but there will be yellow tips to the flames
as the burner heats up.
• Grill: Flames may develop yellow tips as they
heat up, especially when using butane.
• General: A flame lifting away from the burner
indicates that the pressure is too high. A yellow
flame causes soot and indicates that the pressure
is too low. If these faults occur, recheck the
regulator, cylinders and pipes and adjust as
necessary.
• Flues: Check security of fixings, attachments to
appliances and flue terminals. Check for damage
and corrosion. Check for gas leakage into the
vehicle.
• Flame failure device (FFD): Check for
satisfactory operation by allowing time for the
thermocouple to cool, before trying to relight
the appliance by turning it on without pushing
the gas control knob in. If the appliance does not
light, the FFD is working.
• Security: Check that all appliances are securely
fixed to the vehicle/furniture and that no 'play'
light is present. Where applicable, check that the
water pipes are properly attached and there are
no signs of leaks.
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