(1) With quill, at top of movement apply
quill lock.
(2) Remove screw A, hub B, and key C.
(3) Remove screws D, allowing housing
to rotate slowly releasing spring
tension.
(4) Lift end of spring from peg on the
pinion shaft.
(5) Rotate housing E anti-clockwise from
head casting.
(6) Remove spring from housing and
replace.
(7) Refit spring to main housing casting
turning housing clockwise until spring
locates on peg in pinion shaft.