FUEL SUPPLY SYSTEM
4 -21
Pegaso 650 I.E.
4.9.7 CHECKING THROTTLE VALVE CONTROL
SHAFT END PLAY
â—† Remove the throttle body, see 4.9.2 (REMOVING THE
THROTTLE BODY).
aCAUTION
For the correct measurement of the axial clearance of
the throttle valve control shaft, it is necessary to re-
move the spring (1), the bushes (2) (3) and the two
washers (4) (5).
â—† Unscrew and remove the nut (6), taking the washer
â—† Remove, in the order indicated:
– throttle valve control lever (7);
– spring washer (4);
– bush (2);
– spring (1);
– bush (3);
– washer (5).
â—† Reassemble the throttle valve control lever (7) correct-
ly.
â—† Screw the nut (6).
NOTE Have an appropriate thickness gauge (8) to
hand with a 0.05 mm scale.
With throttle valves closed (A):
â—† Use the thickness gauge (8) to measure the minimum
play between the lever (7) and the contact surface (9)
on the throttle body in a number of points.
End play: min. 0.1 mm.
aCAUTION
If the minimum value measured is lower than 0.1 mm,
the throttle body must be replaced, see 0.4.2 (SPARE
PARTS CATALOGUES).
With throttle valves open (B):
â—† Repeat the above procedure.
End play: min. 0.15 mm.
aCAUTION
If the minimum value measured is lower than 0.15
mm, the throttle body must be replaced, see 0.4.2
(SPARE PARTS CATALOGUES).
â—† Correctly reassemble the parts that were previously re-
moved.
Release 00/2002-02
- 00
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