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MAINTENANCE
High-Strength Bolt Connections (continued)
Check fastening and condition of railings (A, B, C, D and E),
illust. Z 21670
Reference No.:
(1)
M12
(2)
M12
(3)
M10
* SW = Wrench size
NOTICE
Detail (C) shows the bracket for attaching the emergency escape
ladder (storage position).
Re-tighten mounting bolts to their correct torque and replace
missing or damaged bolts.
Bolt size
Grade
mm
8.8
8.8
8.8
4.12 EVERY 1000 OPERATING HOURS OR EVERY 6 MONTH
SW *
Tightening torque
mm
Nm
19
74
19
74
17
43
383
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