installation directiVe
2
MAY 2006
N40 ENT M25
N60 ENT M37-M40
Revolution-counter calibration
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 22A).
Figure 22a
04_255_N
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2
Revolution-counter calibration
1. Calibration increasing button -
2.Calibration decreasing button.
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.
Figure 22b
06_113_V
1
2
Summary of Contents for NEF N40-ENT-M25
Page 64: ...INSTALLATIONDIRECTIVE 64 N40 ENT M25 N60 ENT M37 M40 MAY 2006 ...
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