133
A
L
D
C
F
M
M
G
H
F
E
M
Fig. 12.1
ED0053030410
INFORMATION ON ADJUSTMENTS
12.1 Waste Gate opening valve regulation
Important
• Regulation must not be carried out with the engine running.
During the procedure in point 5, pay special attention not to
bend rod H.
1
- Disconnect the hose A from the turbocharger.
2 - Connect a pressure reducer C to the network of compressed
air.
The air pressure in the network must be set to 2.0 bar.
3 - Position dial gauge D in such a way that feeler F rests on
the Waste Gate rod control valve extremity H (point E).
4 - By using reduction gear C send air to the Waste Gate
actuator control L in order to move rod H forward by 1 mm
(value
M to check on dial gauge D D). Pressure read on
reduction gear C must be: 2500 mbar.
5 -
If pressure is less or more than the indicated value, proceed
as follows:
- Undo lock nut G from rod H.
- Remove the retainer cotter pin (point E) and disconnect
rod H from the Waste Gate control lever.
- Tighten to increase or loosen to decrease (the pressure) of
the ring nut of rod H until reaching the corrected calibration.
- Redo lock nut G.
- Reconnect rod H and assemble the cotter pin point E.
Fig. 12.1
Warning
• Before proceeding with operation, carefully read Par. 3.3.2.
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