MG Midget J1 1933 Instruction Manual page 43

Figure
28.-View of the componrnt att:~cli(d to this front end of th(, crankillaft.
T h e helical
bevel wheel is a t i g h t fit on the shafr, hrlcl in position
I)!
a key, allcl i~ is nvcessary to utilise a
wheel removal tool, similar to that sho\vn, in o r < l r r to Psrract this. l ' h c principal parts a r e a.;
follows :-
I .
Hrlical bevel wheel
.
2 .
LVorm \vherl for clriving oil pi11li11.
,i. Distance column.