Timing Dismantlement.
The following operations will deal with a
numb,er of parts, such as
Oil
Pump, High Tension Distributor, Brackets, and
dismantlement of Timing Gears, prior to dealing with the most important
subject of
#engine knowledge, namely lubrication. All the various parts are so
co-related in the case of the Midg,et Engine th:lt the description may appear
to be somewhat disjointed, hut it will be found that the illustrations will
materially assist and are in fact more informative than any
amount of text.
Take Illustration No.
12,
this shows a view of the Engine as seen from
helow. There is the sump, the oil pump, the front engine bracket, the fan
pulley, and the oil supply pipe to the
qlinder head. It is ohvious that it is
a comparatively easy matter to withdraw the oil pump at any time.
Howevfer,
when the pump is removed it is as well also to remove the
H.T. distributor.
The slots in th'e drive sleeve have to register with the tongue on the distributor
shaft.
They will
"
20
"
one way only.
It will be seen that the upper end of the pump spindle is fitted with
'1
gear wheel pinned on to the driven shaft.
The pump is attached by means
of three studs and is driven by
a
gear wheel fitted to the crankshaft.
Illustration No.
13
shows how the front end engine bearer has first of all
been removed from the front end 'engine cover.
The fan pullrey is removed
by using
2''
B.S.F. bolts which act as drawers, and then the front end engine
housing can b'e withdrawn by the removal of four bolts disclosing the front
end of the crankshaft as seen in the Illustration. The front end thrust of the
crankshaft is taken through a hardened steel washer butting up against
th'e
bronze washer which in turn butts against the front 'end housing and the
D/[
PAGE
TWENTY-FIVR
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