N29H
FUEL
SYSTEM/ENGINE MANAGEMENT 9
NOTE:
•
The left hand (number 1) cylinder is
non-adjustable. All other cylinders are adjusted
to match the setting of number 1 cylinder,
though it should be noted that adjustment of
any cylinder will marginally affect the setting of
the other two.
10. Keeping the engine speed at around 1200 rpm,
set both adjusters such that all three throttle
bodies have an equal vacuum reading.
NOTE:
•
The adjusters can be reached by working in the
space where the fuel tank cover would normally
fit.
gahi
n
1.
Adjuster — number 2 cylinder
2.
Adjuster — number 3 cylinder
11. Stop the engine.
12. Remove the fuel tank
13.
Reconnect the idle air control hoses.
14.
Refit the air box and fuel tank as described earlier
in this section.
15.
Start the engine and check that the idle speed is
in the range 1200 ± 50 rpm.
16.
Re—apply sealer to the adjustment screws.
NOTE:
•
If the idle speed now falls outside the above
range, adjust the closed throttle position using
the Triumph service diagnostic tool. Refer to
the tool's operating instructions for details.
INJECTORS
Removal
1.
Remove the seat and disconnect the battery
negative (black) lead first.
2.
Remove the fuel tank and airbox as described
elsewhere in this section.
3.
Move the gearchange to neutral and crank the
engine briefly to reduce fuel pressure in the fuel
rail.
A
WARNING: Because fuel stored in the
fuel rail will be at 3 bar pressure, it is
essential that the fuel pressure is reduced before
any dismantling of the throttle bodies takes place.
If the throttle bodies are dismantled without first
reducing fuel pressure, pressurised fuel may
escape causing clothing and components to be
coated with fuel.
This would represent a serious fire hazard which
could lead to burn injuries and damage to property.
4.
Release any cable ties securing the injector
cables to the fuel rail.
5.
Disconnect the multi-plugs to each injector.
6.
Release the four screws (two screws on later
models) securing the fuel rail to its support
bracket.
2
1
1.
Fuel Rail
2.
Fuel Rail Screws
9.95
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