Maintenance
3H50, 4H50
74
HATZ
Manual
▪ Before starting, ensure that no persons are located in the danger zone of
the engine or machine.
Performance of maintenance work
The entire machine is designed to be maintenance friendly. Parts that re-
quire maintenance are easily accessible.
▪ Perform maintenance work faithfully at the specified intervals to prevent
premature wear of the machine.
▪ Follow the notice and warning labels on the machine.
▪ Always retighten screw connections loosened during maintenance work.
▪ After the necessary maintenance and repair work is completed, perform a
function test (test run).
▪ For maintenance work that is not listed and described in the maintenance
documentation, please contact your nearest
HATZ service station
.
8.2
Maintenance work
Safety note
CAUTION
Danger of injury if maintenance instructions are not fol-
lowed.
▪
Only perform maintenance when the engine is switched off.
▪
Protect the starting key against unauthorized access.
▪
Disconnect the negative terminal of the battery.
▪
After the maintenance work is completed, ensure that all
tools have been removed from the machine.
8.2.1
Maintenance plan
In new and generally overhauled engines, after 50 operating hours, we
recommend:
▪ Change the engine oil and oil filter. See section
▪ Check the screw connections (do not retighten the screws for attaching
the cylinder head). See section
