19. Lubrication
A greasing point is provided in the centre
of the hub barrel. Unless the barrel is packed
full with grease on assembly (which is apt to
lead to trouble through grease finding its way
past the felt seals on to the brake linings) this
greasing point is of little value and the best
way to grease the bearings is by packing them
with grease after dismantling the hub as
described above.
Note that the brake cam is drilled for a
grease passage but the end of this is stopped
up with a countersunk screw instead of being
fitted with a grease nipple. This is done to
prevent excessive greasing by
over-enthusiastic owners. If the cam is
smeared with grease on assembly it should
require no further attention but in case of
necessity it is possible to remove the screw,
fit a grease nipple in its place and grease the
cam by this means.
of the tyre indicates whether or not the tyre is
correctly fitted. If the tyre has a white mark,
indicating a balance point, this should be fitted
near the valve.
18. Tyre Pressures
The load which the tyre will carry at
different inflation pressures is shown below :-
Inflation Pressures-lb. per sq. in.
Tyre Section 16 18 20 24 28 32
Inches
Load per tyre-lb.
3.00 - - - 240 300 350
3.25 - 240 280 350 400 440
3.50 280 320 350 400 450 500
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