Section 05
FUEL SYSTEM
Sub-Section 04
(CARBURETORS)
05-04-8
13, O-ring
When installing O-rings of low speed and high
speed screws, apply some BOMBARDIER LUBE
(P/N 293 600 016) to prevent sticking.
INSTALLATION
At installation, pay attention to the following:
Install carburetor(s) with gasket(s) to intake mani-
fold (rotary valve cover for the 787 engine).
BN-38 Carburetor
Install lock washers and apply Loctite 242 (blue)
on threads then torque nuts to 25 N•m (18 lbf•ft).
BN-38I and BN-40I Carburetors
Apply Loctite 242 (blue) on screws
no. 20
. Then,
install screws
no. 20
with lock washers
no. 21
and torque to 20 N•m (15 lbf•ft).
Twin Carburetor Synchronization
With idle speed screw not touching throttle lever
stopper on MAG carburetor, both throttle plates
are in closed position.
1. Stopper
2. Idle speed screw
Loosen jam nuts on carburetor linkage and adjust
linkage with adjustment nut.
Make sure threads length is the same on each
side of linkage and flat surfaces of both ends are
parallel with each other.
1. Jam nuts
2. Adjustment nut
3. Flat surfaces
Tighten jam nuts and torque to 3 N•m (27 lbf•
in
).
NOTE:
Grease carburetor linkage at both ends
with synthetic grease (P/N 293 550 010).
Connect linkage between both carburetor levers.
Ensure both throttle plates are still in closed posi-
tion.
NOTE:
The linkage installation is done with the
marks located near PTO carburetor throttle lever
to ease adjustment if to be performed in the wa-
tercraft.
1. Throttle lever PTO side
2. Marks
Fuel Lines and Hose Clamps
If fuel line ends are damaged, cut damaged end
before reinstallation.
F01F31A
1
2
-
CAUTION
Throttle plates must open simultaneously,
otherwise this will cause engine to vibrate
and/or back fire.
F01F1YA
1
2
3
F01F32A
1
2
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Содержание 1997 GSI
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