User Manual

Preheater system (optional extra)
When starting a cold engine, the preheat indica-
tor „5“ will light, Fig. 19 and Fig. 20.
– Start the engine immediately after the light
goes out.
Fuel shut-off valve, stop solenoid
(additional equipment)
As soon as the starting key is at Position I, fuel
shut-off valve „1“ is electrically released; Fig. 21.
The fuel feed to the injection pump is then open
and the engine is ready to start.
When the engine is running, turning the starting
key to position 0 closes the cut-off valve and in-
terrupts the fuel supply to the injection pump, so
that the engine stops; Chapter 4.3.
This shut-off valve is also used for the automatic
electrical shutdown system.
Emergency start
If the shut-off valve is blocking the fuel supply
as a result of an electrical fault and the engine
therefore cannot be started, an emergency start
can be attempted.
Proceed as follows for this:
– Turn the emergency start lever „1“ approx.
180° counter-clockwise as far as its stop,
using suitable pliers (the lead seal wire will
break off); Fig. 22.
– As soon as the emergency start lever is in the
starting position, the electric starter or recoil
starter can be used; Chapter 4.2.2 and 4.2.3.
The oil level must always be checked before an
emergency start, as insufficient oil pressure
can lead to complete damage of the engine
within a very short time.
After this, the engine can only be
stopped with the starting key in the
emergency operating mode if the emergency
starting lever is first turned back clockwise to
the stop position.
Immediately after a period of emergency run-
ning, ascertain the cause of the fault and have it
rectified; Chapter 6.
Have the emergency-starting lever sealed once
again by a HATZ service point.
When the automatic electrical shutdown system
is used, the emergency start described above
means that liability for risks must be accepted
by the operator (not covered by our warranty!)
In case of difficulty contact the nearest HATZ
service point.
Automatic electrical shutdown system
(additional equipment)
Engines with the automatic shutdown system
can be recognised by the externally located in-
strument box with preheat indicator „5“, Fig. 20.
Important!
If the engine cuts out immediately after starting
or switches off by itself during operation, a
monitoring element in the automatic shutdown
system has tripped. The corresponding indicator
light (Fig. 20, positions 2 - 4) will come on.
After the engine has stopped, the display contin-
ues to glow for about 12 seconds.
The electrical device then switches itself off au-
tomatically.
The display lights up again after the start key
has been turned back to position 0 and then to
position I again.
Trace and eliminate the cause of the operating
fault before trying to restart the engine
(see chapter 6).
The display light goes out when the engine is
next started.
Even with automatic shutdown monitoring the
oil level must be checked every 8 – 15 operat-
ing hours (Chapter 5.2.1.).
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