Komatsu 15045 Operation & Maintenance Manual page 409

MAINTENANCE
High-Strength Bolt Connections (continued)
Check fastening and condition of railings (A, B, C, D and E),
illust. Z 21670
Reference No.:
(1)
(2)
(3)
* 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
M12 8.8
M12 8.8
M10 8.8
4.12 EVERY 1000 OPERATING HOURS OR EVERY 6 MONTH
SW * Tightening torque
mm Nm
19 74
19 74
17 43
409