Komatsu PC5500-6 Operation & Maintenance Manual page 385

Hydraulic mining shovel
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MAINTENANCE
High-Strength Bolt Connections (continued)
Check fastening and condition of cab base, illust. Z 21671
Reference No.:
(1)
M36
* SW = Wrench size*
Re-tighten mounting bolts to their correct torque and replace
missing or damaged bolts.
Bolt size
Grade
mm
10.9
4.12 EVERY 1000 OPERATING HOURS OR EVERY 6 MONTH
SW *
Tightening torque
mm
Nm
55
3100
Qty.
8
385

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