REV. F
CHAP. 4
PAG.
19/32
Checking the threads of the castellated nut and of the tie-rod:
Remove the nut cover (1), split-pin (2) and the castellated nut (3). Check the
condition of the threads of the nut (3) and of the tie-rod (9). In case there are
any signs of play or seizure the parts must be replaced immediately;
Wear check:
Check that the wear of the coupling pin (14) (see chapter 5.2 REPLACEMENT
OF THE MECHANISM UNIT AND THE COUPLING PIN, page 22/32) and of the upper
bush (6) and of the lower bush (26a) (see chapter 5.6 REPLACEMENT OF THE
UPPER AND LOWER BUSHES, page 26/32) are within the recommended limits
shown in the figure;
The wear data below is specified according to the technical
specification ISO TS 20825
2)
3)
DRAWBAR COUPLING E 50
INSTALLATION, OPERATING AND MAINTENANCE INSTRUCTIONS
INSTALLATION, OPERATING AND MAINTENANCE INSTRUCTIONS
N
O
T
E
Ø 36,2 max.
6
25M
25P
Ø 49,9 max.
(6
)
1
8
m
in
.
26a
14
26a
4
m
a
x.
14
“S”
“S”
Ø 47.7 min.
Ø 56,5 max E503-E504-E505
Ø 63,5 max E506-E506-E510
Ø 54 min E503-E504-E505
Ø 61 min E506-E509-E510
Ø 46.5 min.
Ø 34 min.
9
7a
