Hatz 1B30 Operator's Manual

1B20, 1B27, 1B30, 1B40, 1B50 Faults
HATZ
89Operator's Manual
Possible causes Remedy Chapter
Fuel filter is clogged. Change the fuel filter. 8.2.11 Changing
the fuel filter,
page 78
Tank vent is clogged. Ensure that the tank is suffi-
ciently vented.
Air in the fuel system. Check the fuel system for air
ingress.
Check the bleed valve.
Mechanical faults. Contact Hatz Service.
With automatic electrical switch-off mechanism (option)
Possible causes Remedy Chapter
Stop signal of monitoring elements for:
▪ Oil pressure too low. Check the oil level. 7.6 Checking the
oil level and
adding oil if nec-
essary, page 47
▪ Engine temperature
too high.
Check the cooling air guides
for contamination or other im-
pairments.
8.2.8 Clean the
cooling air area,
page 70
▪ Faulty AC alternator. Contact Hatz Service.
Fault signal from the overvoltage and polarity protection system in
the voltage regulator:
▪ Battery and/or other
cable connections
are incorrectly con-
nected.
Check the electrical equipment
and its components or contact
Hatz service.
3.2.4 Electrical
equipment, page
18
▪ Loose contacts on
cable connections.
The engine loses power and speed
Possible causes Remedy Chapter
The speed adjustment
lever does not stay in
the desired position.
Block the speed adjustment.
The fuel supply is impaired:
▪ The tank ran out of
fuel during operation.
Add fuel. 7.7 Refueling,
page 50

Hatz 1B30 Specifications

General

Compression Ratio	20.5:1
Fuel System	Direct injection
Lubrication System	Forced lubrication with gear pump
Engine Type	Single-cylinder, four-stroke, air-cooled diesel engine
Power Output	5.7 kW at 3000 rpm
Starting System	Recoil starter