V. Orlandi UN 76 Bedienungsanleitung Und Wartungsanleitung Seite 51

4)
Checking the play of the mechanism:
Check that the free movement of the hook (13) is less than 10°. In case the
limit is exceeded replace the worn bearings (see chapter 5.5 REPLACEMENT
OF THE BEARINGS AND THE PINS, page 27/32). vertical play of the coupling
5)
Lubrication:
Oil the moving parts of the coupling.
HOOK COUPLING UN 76
INSTALLATION, OPERATING AND MAINTENANCE INSTRUCTIONS INSTALLATION, OPERATING AND MAINTENANCE INSTRUCTIONS
PAG.
19/32
CHAP . 4
REV. 00