Technical Intervention Report
Intervention Date: 12/08/2025
Technician's Name: Jean-Claude
Site: Factory B, Production Line No. 4
Intervention Number: 20250812-4B
Problem and Diagnosis:
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Intervention Subject: Preventive maintenance on the hydraulic cutting machine.
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Problem Description: A drop in pressure was noted in the hydraulic system, leading to a loss of cutting precision.
Actions Taken:
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Oil Level Check: The level was below the minimum requirement.
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Drainage: A full drain was not necessary.
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Oil Refill: Hydraulic oil was added.
Intervention Details:
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Type of Oil Used: Hydraulic Oil ISO VG 46
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Quantity of Oil Added: 25 litres
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Cleaning: Dusting and cleaning of the air filters.
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Functional Tests: Machine restarted, pressure tests were conclusive.
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Result: Pressure has returned to its optimal level, and the machine is functioning correctly.
Recommendations and Comments:
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Next Intervention: An oil level check is scheduled in 6 months.
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Jean-Claude's Comment: "The cylinder seal is starting to show signs of wear. Its replacement should be scheduled during the next major maintenance to prevent a leak."