Rotax MMH-912 Series, Руководство по обслуживанию

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Effectivity 912/914 Series
Edition 1 / Rev. 3
page 51
October 01/2010
d04777
73-00-00
BRP-Powertrain
Maintenance Manual
3.5) Assembly of carburetor sockets, carburetor and fuel lines
3.5.1) Fuel pump
See Fig. 73-39
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CAUTION: It is necessary to use a new insulating flange. Do not
reuse the old insulating flange.
◆
NOTE: Don’t use sealing compound on the sealing surface of
the gearbox housing or on the fuel pump flange.
Install fuel pump with new insulating flange (1). Secure and tighten hex.
nuts M8 (2) together with washer and tighten evenly (Use LOCTITE
243). Tightening torque 15 Nm (11.1 ft.lb).
◆
NOTE: Always use LOCTITE 243 as a fastener when a fuel
pump is (re-) mounted or when an insulating flange is
affected.
Attach fuel lines again.
3.5.2) Carburetors and carburetor sockets
See Figs. 73-39/1, 73-40 and 76-41.
Attach carburetor socket (4) and new O-ring (5) with hex. screws (6)
M8x25 and M8x30 (7) with washers.
◆
NOTE: On intake manifolds without an O-ring groove, a gasket
(8) (see Illustrated Parts Catalog) must be fitted.
The screws are locked with LOCTITE 221. Tightening torque 15 Nm
(133 in.lb).
Fit carburetor into carburetor socket, which should be
free of grease
and oil
, align and fix with hose clamp (9). Tightening torque 2.5 Nm
(22 in.lb).
◆
NOTE: If hose clamp (9) does not have a spacer leave a 7-8 mm
(0.27 - 0.31 in.) gap. Do not overtighten as this will
damage the socket.
Check distance of 5 to 6 mm (0.2 in. to 0.24 in.) on allen screw (10) as
this is important to allow free movement of the tension spring (11).
Engage tension spring in the bracket (12) using a suitable tool.
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CAUTION: To ensure efficient carburetor suspension, a distance
of 40 mm (1.57 in.) between allen screw and engage-
ment latch must be respected.