Komatsu 15045 Operation & Maintenance Manual page 443

MAINTENANCE
High-Strength Bolt Connections (continued)
Check condition and fastening of swivel joint (A),
illust. Z 20865
Reference No.:
(1)
(2)
* SW = Wrench size
Re-tighten mounting bolts to their correct torque and replace
missing or damaged bolts.
Bolt size
Grade
mm
M 16 10.9
M 16 10.9
4.12 EVERY 1000 OPERATING HOURS OR EVERY 6 MONTH
SW * Tightening torque
mm Nm
24 265
24 265
Qty.
4
8
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