Komatsu 15045 Operation & Maintenance Manual page 445

MAINTENANCE
High-Strength Bolt Connections (continued)
Excavators with Electric Prime Mover
Check condition and fastening of slip ring unit (01),
illust. Z 20616
Reference No.:
((04)
(05)
(07)
* = Wrench size
Re-tighten mounting bolts to their correct torque and replace
missing or damaged bolts.
Bolt size
Grade
mm
M16 10.9
M16 8.8
M16 8.8
4.12 EVERY 1000 OPERATING HOURS OR EVERY 6 MONTH
SW * Tightening torque
mm Nm
24 265
24 180
24 180
Qty.
4
4
4
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