Disassembly, pressure testing, and full service procedures for Hoerbiger and Penn-Troy crankcase explosion relief valves. Reference these walkthroughs before your next maintenance window.
Proper service intervals and correct disassembly procedures keep crankcase relief valves functional when they matter most. These videos walk through the tooling and test sequences used in the field.
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Watch on DropboxComplete teardown and reassembly of the 6AB bolt-on Bicera crankcase relief valve. Covers spring replacement, screen inspection, seal integrity checks, and proper torque sequence for reinstallation.
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Watch on DropboxDemonstrates the MC-655 disassembly and testing tool on a 10RD crankcase relief valve. The MC-655 provides controlled compression for safe spring removal and internal component access without risk of uncontrolled release.
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Watch on DropboxPost-service pressure test sequence for the 10RD relief valve. Verifies correct opening pressure and reseal integrity before the valve is returned to service. Confirms the unit meets factory specifications.
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Watch on DropboxAttaching the pressure cylinder to the MC-655 disassembly tool for the 16RD crankcase relief valve. Covers proper alignment, connection sequence, and safe operation of the tooling on the larger-format valve body.
Sample Brothers stocks rebuild kits, springs, screens, O-rings, and gaskets for Hoerbiger and Penn-Troy crankcase relief valves across all common sizes. If you're scheduling valve service, confirm your part numbers and quantities with us ahead of time — we'll verify availability and ship to match your maintenance schedule.