Hatz 1B30 Operator's Manual

Faults 1B20, 1B27, 1B30, 1B40, 1B50
90
HATZ
Operator's Manual
Possible causes Remedy Chapter
▪ Fuel filter is clogged. Change the fuel filter. 8.2.11 Changing
the fuel filter,
page 78
▪ Inadequate tank
venting.
Ensure that the tank is suffi-
ciently vented.
▪ Air in the fuel sys-
tem.
Check the fuel system for air
ingress.
Check the bleed valve.
The engine loses power and speed, and black smoke emerges from the ex-
haust
Possible causes Remedy Chapter
Dirty air filter unit. Check the degree of dirt con-
tamination of the air filter, and
clean or renew it if necessary.
8.2.12 Maintain-
ing the dry air fil-
ter, page 83
Tappet clearance not
OK.
Adjust the tappet clearance. 8.2.6 Check and
set the tappet
clearance, page
65
Injection nozzle not
OK.
Contact Hatz Service.
Engine becomes very hot. Indicator lamp for engine temperature (option)
lights up
Possible causes Remedy Chapter
Too much engine oil in
the engine.
Drain the engine oil to the up-
per mark of the dipstick.
7.6 Checking the
oil level and
adding oil if nec-
essary, page 47
Inadequate cooling:
▪ Contamination in the
entire area of the
cooling air guides.
Clean the cooling air area. 8.2.8 Clean the
cooling air area,
page 70
▪ Incompletely closed
air guide parts.
Check the air guide parts and
shafts for completeness and
good sealing properties.

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