Technical Specification
Hydraulic Drill Disassembly Wrench
Part No.: 5750007532
Application: Robbins 73-series Raise Borer (Epiroc)
1. General Description
Heavy-duty hydraulic disassembly wrench, OEM special tool for Robbins 73-series raise borers. Designed for controlled, high-torque disassembly/assembly of critical drill string components (drill rods, casings, impactors) under hydraulic power.
2. Applicable Equipment
- Model: Robbins 73R, 73RHC, 73RVF Raise Borer
- Brand: Robbins (Epiroc Group)
- Use: Drill string & hydraulic component maintenance
3. Technical Parameters
- Max Hydraulic Pressure: 63 MPa (9,135 psi)
- Rated Torque Range: 2,000–8,000 N·m
- Material: High-strength alloy steel (42CrMo), forged & fully heat-treated
- Drive Size: 1-1/2 in square drive
- Hydraulic Connection: 3/8 in NPT, 360° swivel joint
- Finish: Black oxide anti-corrosion coating
- Weight: 28 kg (61.7 lbs)
- Length: 650 mm (25.6 in)
- Certification: ISO 15614, 100% load tested
4. Main Function
- Delivers high, controlled torque to loosen/tighten large threaded connections on drill strings.
- Hydraulic drive reduces manual effort; minimizes component damage during disassembly.
- Ensures safe, efficient maintenance of Robbins 73-series critical parts.
5. Remarks
- Genuine Epiroc/Robbins OEM tool, fully compatible with original equipment.
- Requires connection to the rig’s hydraulic system or a dedicated hydraulic power unit.
- Not for overhead lifting.
- Recommended hydraulic oil: ISO VG 46 anti-wear hydraulic oil.