Komatsu GALEO PC1250-8 Operation & Maintenance Manual page 183

Hydraulic excavator
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OPERATION
MACHINE OPERATIONS AND CONTROLS
High-Speed Travel Operations on Rough Ground
Do not travel at high speed on rough ground or rocks. Each time
the machine travels over rough parts of the ground surface, the
thrusting load on the machine will increase and reduce the service
life of the machine.
To protect the machine when traveling on rough ground or on
rocks, there is a cushion structure in the idler (1), so set the idler
facing in the direction of travel and travel at low speed.
Long-Time Continuous Travel Operations
Do not travel continuously at high speed for two hours or more. The
lubricating oil inside the track rollers will rise to a high temperature,
and there is danger that this will cause damage to the oil seal or
leakage of oil.
When traveling continuously for a long time, stop the machine for
15 minutes every 2 hours to allow the lubricating oil inside the track
rollers to cool down.
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