3-4L43C, 3-4M43, 3-4M43Z Maintenance
HATZ
77Manual
Overview — Checking the function of the switch-off unit of the belt monitor-
ing system
Pos. Designation
1 Tension pulley
2 Angle lever
3 Switch-off pin
Procedure — Checking the function of the switch-off unit of the belt moni-
toring system
Step Activity
1 Release the piston with the tension pulley (1) by removing the
cylinder screw.
▪ The piston with the tension pulley is pushed out of the housing
by spring pressure.
▪ The angle lever (2) turns downward and releases the switch-
off pin(3).
▪ The switch-off pin (3) must emerge by spring force, or else the
machine will not switch off automatically if the belt tears.
2 If there is no reaction, please contact the nearest HATZ service
station.
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