MG Midget J1 1933 Instruction Manual page 29

After each valve is ground in
i t should be withdrawn and carefully
washed in par:~%n, and, what is equally important, the valve seating and the
surrounding valve port should also thoroughly be cleaned with a rag
moistened with paraffin. D o not wash o u t the valve ports with petrol o r
paraffin o r some of the grinding compound will find its way into the valve
guides o r other working parts, and
i t
is of the utmost importance that
i t
should be prevented from finding its way on to any of the working surfaces
of the engine, where extensive damage may be done.
Reassembling the Valves.
W h e n you have satisfied yourself that all traoe
of the grinding compound has been removed, the valves may be reassembled.
Care should again be taken to see that they are in their correct ports. Re-
:~ssernbly of the valve is not a difficult matter. After inserting the valve in its
guide and resting its head on the u o o d packing block, the valve spring may
be placed in position with the valve spring cap resting o n t o p of it. Engage
a tool o n the cap and depress the spring so as to expose very nearly the
whole of the groove in the upper end of the valve stem. Insert the two
conical cotters into the groove in the valve stem (small ends downwards, of
course) and gradually release the spring. Make sure that the cotters are
properly engaging in their grooves before dealing with the next valve.
If
the
valve cover saddles have been removed, d o not forget to replace them T n
position before reassembling the valves which are between the camshaft
bearing brackets, o r you will find that these are in the way and that you
cannot replace the saddles.
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