Check For Loose Ropscab Mount Bolts - Komatsu D155A-6 Operation & Maintenance Manual

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SERVICE PROCEDURE

CHECK FOR LOOSE ROPSCAB MOUNT BOLTS

Check that there are no loose or damaged bolts.

METHOD OF TIGHTENING MOUNT BOLT

1. First, tighten bolts (1) - (21) to a tightening torque of 294 ± 29.4 Nm. The order for tightening is as shown in the

2. Tighten bolts (22) and (23) to a tightening torque of 279 ± 27.9 Nm in the order shown by the direction of the

3. Use an impact wrench or ordinary wrench to tighten bolts (1) - (21) a further 60°.

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