Checking The Braking Efficiency - Komatsu WB140-2N Operation & Maintenance Manual

CHECKING THE BRAKING EFFICIENCY

During running-in, check the braking efficiency after first 100
hours of operation.
Perform check with the machine positioned on firm and flat ground,
making sure that there are no people or obstacles in the vicinity.
This check must be carried out after setting the work equipment in travel
or transport position, and engaging all safety locks.
1. Connect tandem brake pedals (2) with pin (1).
2. Start the engine and release parking brake.
3. Engage 2nd gear and forward gear.
4. Accelerate until reaching the maximum speed.
5. Press the brake pedals. The machine must brake smoothly on a
straight line and the tension of pedals must be constant. Otherwise,
contact your Komatsu Dealer.
WB140-2N, WB150-2N
MAINTENANCE
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