Komatsu PC5500-6 Operation & Maintenance Manual page 421

Hydraulic mining shovel

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Table of Contents

High-Strength Bolt Connections (continued)

Check condition and fastening of travel gears, sprockets and

travel motors

Legend for illustration Z 25249

View of the RH Final drive. The configuration of the

LH Final drive is the same.

Travel motors

Outer sprocket bearing

Inner sprocket bearing

Mounting bolts for travel gear to crawler carrier

Mounting bolts for sprocket to hub

Mounting bolts for travel motors

Mounting bolts for outer bearing to crawler carrier

Mounting bolts for inner bearing to crawler carrier

Reference No.:

*1) SW = Wrench size

*2) Quantity for both final drives

Re-tighten mounting bolts to their correct torque and replace

missing or damaged bolts.

If the outer bolts (9) have been found loose, it is necessary to

check also the inner bolts (10) for looseness.

For this purpose the travel gear assy has to be removed.

Contact your Komatsu Dealer for support.

4.12 EVERY 1000 OPERATING HOURS OR EVERY 6 MONTH

Tightening torque