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How Hydraulic puller maintenance and safety inspection

May 30, 2018
Maintenance Inspection The hydraulic puller needs to be checked and maintained every six months:
1. Check the gear engagement and wear of all reducers. The tooth surface pitting damage should not exceed 30% of the mating surface, and the depth should not exceed 10% of the original tooth thickness (fixed chord tooth thickness); the gear tooth wear amount The percentage to the original tooth thickness must not exceed 15% to 25%; check the condition of the bearing; replace the oil.
2. Check the condition of the big and small wheels, lubricate the wheel bearings, eliminate the track phenomenon.
3. Check whether the major welds of the main beam and end beam have open welds and rust. Corrosion should not exceed 10% of the original plate thickness, and whether the main force components have fatigue cracks; whether the various guardrails and brackets are intact or not; The main beam and end beam are bolted and fastened. 
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August 28, 2023

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