Brake Anti-sqeak Device.
The brake shoes are fitted with an anti-
squeak device, which consists of lead alloy blocks fitted into the channel
section of the brake shoes and held in position by means of clevis pins and
little coil springs. When vibrations take place in the brake drum, they are
communicated to the brake shoes and the shoes vibrate, the lead weights
however are in effect
'
left behind
'
by the vibrating shoes and energy is wasted
in friction between the weights and the shoes. The conditions under which
the weights are mounted can in practice be made such that they can always
waste more energy than the squeaking forces can generate and the squeak
is prevented.
Adjustments.
A
number of adjustments periodically required by th'e
M.G.
Midget can he carried out by the average owner driver, and th'ese are
l~riefly describ'ed below. Separate ch:ipt,ers are devoted to the c;~rhuretter
and electrical systems.
Engine.
Decarbonising is the chief attention which the engine requires.
It is impossible to lay down a delinite time or mileage at which this will
become necessary, as it depends on so many factors-the age of the engine,
the
wa]
it is driven, and
a
hundred
and
one other things. With the present
day advanced designs ancl high qu:~lity lubricating oils, engines
may
run for
a
five figure mileage without demanding attention, but we strongly recom-
mend that the cylinder head he lifted not less often than every 5,000 miles.
c.
l
he chief reasons for this arc that it enables the valves to receive regular
attention, avoiding ,excessive pitting and burning, and also that maximum
performance is maintained.
A
new engine should be
decarbonised
after the first 1,000 miles.
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