ATTENTION: Make sure that the coupling is closed, ie. the coupling pin
(14) is down.
ATTENTION: Every time that the castellated nut (3) is removed,
always replace the split pin (2) with new one.
Remove the 4 screws (21) keeping the washers, remove the mechanism unit
(20a). Remove the coupling pin (14) (see chapter 7 DISPOSAL on page 30/32);
Lubricate the new coupling pin (14) and place it in its seat;
Fit the new mechanism unit (20a) and tighten the screws with washers (21) to
torque M = 50 Nm using Loctite 243.
1)
2)
3)
4)
5)
Replace the worn rubber buffers (8a, 8b) and the inner bush (7c) with new ones
(see chapter 7 DISPOSAL on page 30/32);
Reinstall the drawbar coupling following the instructions (see points 2,3,4,5,6 in
chapter 2 INSTALLATION on page 10-11/32).
REV. F
CHAP. 5
PAG.
22/32
5.2 REPLACEMENT OF THE MECHANISM UNIT AND THE COUPLING PIN
DRAWBAR COUPLING E 50
INSTALLATION, OPERATING AND MAINTENANCE INSTRUCTIONS
INSTALLATION, OPERATING AND MAINTENANCE INSTRUCTIONS
21
14
20a
14
