Yale SHAW-BOX

7 Inspection and maintenance
66 03.2018
ba-o.2.6.0-us-1.1-y | A11867501 Rev AA
18. Replace in reverse order.
19. Ensure that the check hole for measuring the air gap is aligned with the opening in
the fan wheel cover.
20. Lock stud screws (6) with locking varnish.
21. Observe tightening torques of fixing screws (8) (see table below).
Hoist motor type
Hoist brake
Smax.
a
Tightening torque
[in]
[in]
[lb
f
ft]
4H33-MF10MB-200
NM38720
0.024
1
7
4H42-MF10MC-200
NM38730
0.024
1
7
4H62-MF11MA-200
NM38740
0.031
1
16
4H71-MF11MB-200
NM38740
0.031
1
16
4H72-MF13Z-200
NM38741
0.031
1.2
16
4H73-MF13ZB-200
NM38753
0.035
1.2
16
4H81-MF13ZC-200
NM38753
0.035
1.2
16
4H82-MF13X-200
NM38781
0.035
1.2
16
Tab. 32
22. Check brake data according to rating plate on hoist motor!