Longines L590.2 Maintenance Manual page 14

2535
14
8.4.3 Fit the unlocking yoke training wheel 2621 ,
lubricate its pivot
CD
and fit the gib 495.
Direct the wheel so that the location hole@
is in front of the pin @ (see figure a).
Fit the unlocking yoke for date indicator
2632 and see that in the rest position (i.e. the
mobile end is pulled at a maximum to the
center of the movement) the pivoting point
CD
of the training wheel and its location hole
@, the nick @) of th e yoke 's cam and its
pivoting point
®
are on the same straight
line (see figure b). The consequence of an
uncorrect relative position of these different
elements would be the non-functioning of
the unlocking device and the calendar
correction .
8.4.4 Fit and lubricate :
-the unlocking yoke spring 2633, fixing it by
its screw (52633) ; the spring must work
against the yoke and not rub against the
main plate
- the setting lever spring 445 by sliding its
end under the setting lever
-the cannon pinion with driving wheel 242
-the minute wheel 260
-the setting wheel450.
8.4.5 Fit in the following order and lubricate :
-the date indicator 2557 (even in the
models without calendar where it acts as
a magnetic screen)
-the date indicator maintaining plate 2535,
f ixing it by its screw (52535)
-the mounted minute-train bridge 462,
f ixing it by its two screws (5462). Verify
whether the date jumper works w ith th e
date indicator and not upon it.
8.4.6 Check the free action of the date wheels and
correct function ing of the handsetting mech-
anism , push the stem back.