Iveco N45 MNA M10 Installation Directive Manual page 27

MAY 2006
Revolution-counter calibration
Figure 21
2
1
1. Adjustment screw - 2. Panel lighting lamp.
Verify the indication of the panel revolution counter by com-
paring it with the one measured with a reference instrument;
if it differs, operate the adjustment screw (1), located in the
rear part of the instrument, until consistency is achieved;
repeat the operation for different engine rpms.
Maintenance
Should it become necessary to replace a panel light, remove
the lamp holder from the rear part of the instrument (see
Figure 21).
insTAllATiOn direcTiVe
Revolution-counter calibration
Figure 22
1
04_255_N
Verify the indication of the panel revolution counter by com-
paring it with the one measured with a reference instrument;
if it differs, press the button 1 and 2 situated on the rear
of the tachometer, until consistency is achieved; repeat the
operation for different engine rpms.
Maintenance
The board is illuminated by not-replaceable internal LEDs.
N45 MNA M10
N67 MNA M15
1. Calibration increasing button -
2.Calibration decreasing button.
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