Longines L590.2 Maintenance Manual page 13

8.2
Cleaning
The following parts must not be washed in any
case :
-the electronic module 4000
-the mounted rotor 4211
-the battery 4929
-the date indicator 2557.
These parts should simply be dusted with a fine
brush or carefully cleaned with a paste of the
RODICO No. 6033 type supplied by Bergeon . For
the pivots of the rotor 4211 , use elder pith soaked in
alcohol or rectified benzine. No particles of metal or
dust must be left on the rotor magnet.
The main plate, the bridges and the other parts may
be washed normally, according to the detailed
indications given in our file No. 1 " Technical
Information ", index No. 1 " General ", part 1.1
" Cleaning ".
8.3
Lubrication
Refer to the lubrication chart on page 19 and use
the recommended lubricants.
8.4
Assembling
8.4.1 Fit and lubricate: the sliding pinion 407, the
setting stem 405- 405.4, the mounted setting
lever 443, the setting lever maintaining plate
541 , fixing it by means of its screw (5541 ),
and the mounted yoke 435.
8.4.2 Lubricate and fit the intermediate setting
wheel 453. For this aim, lift the end of the
setting lever spring by means of a screw-
driver and insert the groove of the inter-
mediate setting wheel into the fork (toothing
above), then release pressure as soon as the
setting wheel pivots on its stud .
443
405
435~
405.4)
407
.,
5541
541
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