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XT 582 Maintenance Manual
Issue 1.0
September 21st 2005
Page 89
76. ENGINE CONTROLS
76.00.00 General
The fuel supply system of the trike is a cable actuated twin carburettor system.
76.10.00 Power Control
Power control is achieved in three ways.
Throttle
There are two methods to actuate the throttle either with the hand throttle or the foot actuated throttle.
Both of the cables run through a mixer, which allows each to operate independently. Fully forwards
opens the throttle, and fully aft closes the throttle. Section 53.00.00 Landing Gear, clearly shows a
photo of the foot throttle pedal.
Choke
There is also a separate choke control, on the left hand side, which faces downwards to avoid
confusion of the controls.
76.10.10 Inspection and Maintenance
In order that the Bowden cables operate correctly they must:
•
Not be kinked or damaged
•
Be adequately lubricated internally and not binding
•
Have the outer properly and securely clamped at both ends
•
Have the inners correctly connected to the respective engine linkage and be rotationally free so
that the linkage can operate correctly through its full travel without causing binding or
bending/kinking of the inner.
Any problems with Bowden type controls can usually be traced to one or more of the above. Rectify the
problems as required. If the cable is damaged or kinked in any way it should be replaced. Care must be
taken during installation not to kink the replacement cable and to ensure that the routing is correct and
will not cause damage or kinking in service.
NOTE
The Throttle cables that are supplied on the XT are not user serviceable, though they can be
maintained. They are constructed in a special way, which allows each of the cables to be actuated
independently. If the Throttle cable needs to be replaced and entire throttle cable assembly should be
used.
It is difficult to adequately clean the sliding surfaces of an old Bowden cable. It is usually easier to
replace them than to attempt maintenance.
After maintenance is necessary to carefully check the operation of the cables, and to ensure that they
are correctly secured to the appropriate linkages. Check that the control can be easily operated through
its full range of operation.
CAUTION
AFTER THROTTLE CABLES HAVE BEEN ADJUSTED OR REPLACED THE CARBURETTOR
SYSTEM WILL NEED TO BE RE SYNCHRONISED, AS PER THE ROTAX METHOD.