Engine Tachometer And Hour Counter; Key Switch (3 Position) (Off/Run/Start); Fuse Holder - Perkins 400 Series User Handbook Manual

5

Engine tachometer and hour counter

(revolutions per minute x 1000 and
hours) Fig. 20
The electrically operated tachometer/
hour counter shows the speed of the
engine in r/min. and the actual operating
hours the engine
tachometer/hour
operating from an alternator voltage of
12 V onwards, which has already been
reached at engine idling speed.
6

Key switch (3 position) (Off/run/start)

The hand operated keyswitch with
switch lock is moved by a separate key
to the positions shown, (see Fig. 21)
viewed from front of switch.
7

Fuse holder

To protect the instrument panel a 2 amp
fuse is fitted to remove the fuse (1)
unscrew its holder (2) (see Fig. 21.1).
Key
(Fig. 21)
1 Off
2 Run
3 Start
4012/16 Diesel, February 1997
has run. The
counter starts
Fig. 20
1
Fig. 21
2
Fig. 21.1
INSTRUMENT PANEL
2
3
1
35