Hatz 3H50 Series, Manual

Page: 61 / 132

3H50, 4H50 Operation and use
HATZ 61 Manual
CAUTION
Danger of engine damage from low load operation.
Operating the engine at no load or at very low load for an ex-
tended period can impair the running characteristics of the en-
gine.
▪ Make sure that the engine load is at least 15 %.
▪ Before switching off the engine following low load operation,
briefly operate it at a considerably higher load.
7.2 Performing tests
Before starting
Before starting the engine, several tests need to be performed to ensure the
machine is working properly.
Procedure
Step Test
1 The machine is standing securely and on a level surface.
2 The installation location is adequately ventilated.
3 There is a sufficient amount of fuel in the fuel tank (see the chap-
ter
7.6 Refueling, page 68 ).
4 There is a sufficient amount of engine oil in the engine housing
(see the chapter
7.5 Check the oil level, page 66 ).
5 There is a sufficient amount of coolant in the expansion tank
(see the chapter
8.2.5 Checking the cooling system, page 83 ).
6 Radiator and radiator hoses are free from leaks (see the chapter
8.2.5 Checking the cooling system, page 83 ).
7 No persons are located in the danger zone of the engine or ma-
chine.
8 All safety equipment is in place.