Komatsu 15045 Operation & Maintenance Manual page 423

MAINTENANCE
High-Strength Bolt Connections (continued)
Check fastening and condition of the eight power house
posts (75) and transverse carrier (82), illust. Z 20706
Reference No.:
(85)
(86)
* SW = Wrench size
Re-tighten mounting bolts to their correct torque and replace
missing or damaged bolts.
Bolt size
Grade
mm
M30 10.9
M24 10.9
4.12 EVERY 1000 OPERATING HOURS OR EVERY 6 MONTH
SW * Tightening torque
mm Nm
46 1770
36 880
Qty.
48
12
423