Bosch ZEMO SU-E FS 12 Translation Of Original Operating Instructions page 176

7.5.11 Checking the stem
 The stem and quick release system must be
inspected at regular intervals. The specialist
dealer should adjust them if they require
adjustment.
 If the hexagon socket head screw is also
loosened, the bearing clearance also needs to
be adjusted. Medium-strength thread locker,
such as Loctite blue, then needs to be applied
to the loosened screws and the screws
tightened as per specifications.
 Check metal contact surfaces on cone, stem
clamping screw and fork steerer for corrosion.
 Take pedelec out of service if there is any wear
or signs of corrosion. Contact specialist dealer.
7.5.12 Checking the handlebars
1 Take hold of handlebars with both hands on the
handles.
2 Move handlebars up and down and press to tilt.
 If the handlebars move, Contact specialist
dealer.
3 Place front wheel in position where it can't
move sideways (e.g. in a bike stand).
4 Hold handlebars firmly with both hands.
5 Check if the handlebars are able to twist
against the front wheel.
 If the handlebars can move, contact your
specialist dealer.
7.5.13 Checking the saddle
1 Hold saddle firmly.
2 Check whether the saddle twists, tilts or can be
pushed in one direction or other.
 If the saddle twists, tilts or can be pushed in
one direction or other, adjust the saddle (see
Section 6.5.4).
 Contact your specialist dealer if the saddle
cannot be fixed into position.
MY22Z01 - 12_1.0_25.07.2022
Cleaning, servicing and inspection
7.5.14 Checking the seat post
1 Take seat post out of the frame.
2 Check seat post for cracks and corrosion.
3 Reinsert seat post.
4 Check pedal.
5 Hold pedal and try to move it sideways toward
the inside or outside. In doing so, observe
whether the crank arm or bearing move
sideways.
 If the pedal, crank arm or crank bearing moves
sideways, fasten screw on the pedal crank
rear.
6 Hold pedal and try to move it upwards and
downwards vertically. In doing so, observe
whether the pedal, crank arm or crank bearing
moves vertically.
 If the pedal, crank arm or crank bearing moves
vertically, fasten screw.
7.5.14.1 Checking the derailleur gears
The chain is tensioned by the rear derailleur in
pedelecs with derailleur gears.
1 Place the pedelec on stand.
2 Check to see if the chain is sagging.
3 Gently press the rear derailleur forwards to
check whether it moves and whether it goes
back into position by itself.
 If the chain is sagging or the rear derailleur
does not go back into position by itself, contact
your specialist dealer.
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