MG Magnette KA Instruction Manual page 51

F R O N T
BEARING
Illustration 33.-A very detailed view o f the cylinder head, showing camshaft removed f r o m
its f o u r bearings, which are white-metal lined.
O n t h e left l o w e r side o f t h e illustration the
restriction o r metering p i n w i l l be noticed. This p i n has a flat machined upon
it
t o c o n t r o l the
amount o f o i l t h a t passes t o the overhead valve gear. O i l is delivered t o t h e f r o n t bearing o f t h e
camshaft and then t h r o u g h the rocker-shafts t o lubricate the rockers and remaining bearings.
Illustration 34.-View o f the underneath side o f t h e cylinder head, w i t h complete camshaft
drive removed. A separate u n i t has been dismantled, t h e parts being as follows :-
A number of shims are employed i n the original assembly. These should never be dismantled.
I.
Camshaft d r i v i n g shaft. 7. Bevel pinion washer.
2. Camshaft d r i v i n g bevel pinion.
8.
Bevel pinion thrust washer.
3. Camshaft driving bevel pinion key. 9. Bearing retainer plate.
4. Hyatt r o l l e r bearing. 10. Bevel pinion o i l t h r o w e r .
4a. H y a t t r o l l e r bearing,
Part n o t numbered : -
5. Bevel pinion bearing sleeve. O i l drain housing (front).
6.
Universal joint f o r k f o r bevel
in ion.
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