Full Technical Description

1/2″ CAPLUG 3760 0127 59 Acting as a crucial barrier, this plug seals off open 1/2-inch hydraulic or pneumatic connections when components are removed for service or transport. Its main job is to keep dirt, dust, and water out of sensitive systems. You’ll typically use these on valve blocks, cylinder ports, or disconnected hose ends anywhere on the drill rig, from the power pack to the drifter.

Maintaining a clean hydraulic system is fundamental for reliability and performance. Even a small amount of abrasive dust entering an open line can damage the fine tolerances inside a control valve or pump, leading to erratic operation and costly failures. Using a proper caplug also improves worksite safety by preventing oil drips that can create slip hazards.

These plugs are service items that should be kept in stock. Always cap any open port immediately after disconnecting a hose. Inspect plugs for cracks or damage before use and discard any that don’t provide a tight seal. Never substitute rags or tape, as they can introduce fibers and contaminants into the system.

Used on Machines

Atlas Copco and Epiroc COP series piston loaders COP 1238, COP 1838, COP 1838MUX, COP 1838HD, COP 1840, COP 2160. Used on Boomer 282, Rocket Boomer, T35 FlexiRoc, T40 SmartRoc, Atlas Copco D7, D9, M2C, L2C, F7, F9 and Simba drilling rigs.

Applications

• Underground drilling jumbos
• Mining and tunneling
• Hydraulic control systems
• Rock drilling spare parts

Part Number:3760 0127 59

Alternative SKUs:3760012759, 3760-0127-59

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