Chl/Bl And Chtl/Btl Versions - Ultraflex B 501 CH/B Manuel D'installation Et D'entretien

ULTRAFLEX

3.3.2 CHL/BL and CHTL/BTL versions

Controls with lock in neutral feature allow the possibility to change the lever inclination 15° backward
following next steps. This configuration increases the forward stroke of the lever and as consequence
raises the throttle mechanism stroke up to 76mm.
NOTICE
The use of this feature is highly reccommended for inboard engines installation and all engines with
throttle lever stroke higher than 55mm in order to let the engine reach maximum rpm.
WARNING
Make sure the chosen angular position allows the correct stroke of the cable.
1 Remove the hub
plug of the lever (1).
3 Take out two ST
screws (4) with philips
screwdriver, rotate
the disc (5)(without
changing side),
please refer to config
1 for disc connection,
align holes H1 with B
and H2 with D. Insert
the screws
precedently removed
in holes H1 and H2
and fasten them.
CONFIG. 1
LEFT LEVER
5 Reinsert the lever into the
spline pin shaft of the control
paying attetion to fit the notch
on the lever in the hub lock on
the mechanism, the lever
should be inclined
backward.
1 1
4
5
6
CONFIG. 2
RIGHT LEVER
15°
SINGLE LEVER CONTROL B501 AND B502
Installation and maintenance manual
2 Take out the
hexagonal head
screw (2) with a 17
socket wrench and
extract lever (3).
4 B502 CHL/BL For the
right lever of double
engine control B502
repeat the same
procedure plus turning
upside down the disc
(side identification hole
(6) must be visible).
Please refer to config. 2
for disc connection, align
hole H3 with A and H4
with C. Insert the screws
precedently removed in
holes H3 and H4 and
fasten them.
6 Apply threadlocking low
strength (Loctite 222) on the
screw (2) and fasten
completely.
Insert the hub plug by paying
attention to position the plug cut
upward as shown in the picture.
3
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