3719002055
BACK COVER
The BACK COVER 3719 0020 55 is a critical structural component for the rock drifter. It seals the rear of the drifter body, contains the working pressure for the piston, and provides a mounting point for the accumulator and other key parts.
Description
BACK COVER 3719 0020 55 Functioning as the rear pressure boundary of the rock drifter, this back cover is essential for containing the high-pressure hydraulic fluid that drives the impact mechanism. It is located at the very back of the drifter…
Full Technical Description
BACK COVER 3719 0020 55 Functioning as the rear pressure boundary of the rock drifter, this back cover is essential for containing the high-pressure hydraulic fluid that drives the impact mechanism. It is located at the very back of the drifter assembly, secured by the main side bolts, and forms the foundation for the accumulator.
The integrity of this cover directly affects drilling performance and operational safety. If the internal seals wear out, the drifter loses impact energy, leading to a noticeable drop in penetration speed. Any cracks or damage to the cover itself can create a serious risk of a high-pressure fluid leak.
During a drifter rebuild, carefully inspect the back cover for any signs of fatigue cracks, especially around the bolt holes. Always replace the O-rings and seals to ensure a proper pressure seal. Using the correct torque specification and sequence on the side bolts is vital to prevent uneven loading and potential failure.
Applications
- Underground drilling jumbos
- Mining and tunneling
- Hydraulic control systems
- Rock drilling spare parts
Specifications
| Brand | Epiroc |
|---|
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