Epiroc Secoroc COP 32 - User Manual

Secoroc COP
down-the-hole hammers
COP 32 / 32HD, COP 42
Operator’s instructions

Epiroc Secoroc COP 32 Specifications

General

Brand	Epiroc
Model	Secoroc COP 32
Category	Industrial Equipment
Language	English

Summary

Technical Data

General Information

Application (Drill Rigs)

Details on the use of Secoroc COP down-the-hole hammers with different drill rig types and their requirements.

Technical Description

Explanation of the Secoroc COP down-the-hole hammer's components and operational mechanism.

Preparing to Drill

Hose Connection

Guidelines for connecting compressed air hoses for efficient, reliable, and safe operation.

Setting Up the Rig

Instructions for correctly setting up the drill rig to ensure stability and safety during drilling operations.

Drilling Operations

Rotation to the Right

Emphasizes the critical importance of maintaining right-hand rotation during drilling and lifting operations.

Collaring

Procedure for safely starting a new hole, ensuring correct bit engagement and initial drilling.

Feed and Rotation Settings

Guidance on achieving steady penetration and smooth operation through appropriate feed and rotation settings.

Feed Force Adjustment

Recommendations for setting optimal feed force to prevent damage and ensure efficient drilling.

Rotation Speed Recommendations

Guidance on selecting the correct rotation speed for different rock types and conditions.

Flushing with Air-Blowing

Explanation of how air-blowing clears cuttings and prevents jamming during drilling.

Extra Flushing Techniques

Methods for enhancing flushing performance in challenging drilling conditions.

Changing the Choke Plug

Instructions for replacing the choke plug to modify air flow for extra flushing.

Drilling in Wet Holes

Advice on managing water inflow during drilling operations.

Water Injection System

Information on using water injection to suppress dust and aid drilling.

Foam Injection for Flushing

Guidance on using foam injection to improve flushing performance in specific formations.

Tools for Hammer Maintenance

Bit Removal Tool

Description and usage of the specialized tool for removing drill bits.

Pipe Jointing and Top Sub Wrenches

Details on specific wrenches used for connecting drill pipes and top subs.

Loosening Hammer Threads

Correct methods for loosening threaded hammer components without causing damage.

Breaking Driver-Chuck Joint (Percussion)

Method for separating the driver chuck using percussion force.

Breaking Driver-Chuck Joint (Bit Tool)

Using the bit removal tool to break tight driver chuck joints.

Dirt in the Hammer

Other Operational Instructions

Wear on Driver Chuck and Hammer Cylinder

Understanding and mitigating wear on critical hammer components.

Checking Driver Chuck and Cylinder Wear

Procedures for regularly inspecting wear on the driver chuck and hammer cylinder.

Shimming Procedures

Guidance on using shims to adjust clearances within the hammer assembly.

Fitting Shims Correctly

Steps for properly installing shims to ensure correct hammer function.

Assembly of Bit and Driver Chuck

Instructions for correctly assembling the drill bit and driver chuck.

Drill Bit Regrinding

Avoiding Perimeter Grinding

Advice on proper grinding techniques to maintain drill bit diameter and integrity.

Grinding Equipment

Overview of specialized equipment used for grinding drill bits.

Care and Maintenance

Lubrication Importance

Crucial role of lubrication for hammer performance and longevity.

Lubricator Systems

Details on different lubricator types and recommended oil dosages.

Choosing Lubricating Oil

Criteria for selecting appropriate lubricating oils based on operating conditions.

Recommended Lubricants

Specific product recommendations for lubricating oil, thread grease, and O-rings.

Wear Limits Reference

Troubleshooting and Overhauling

Overhauling Procedures

Guidelines for periodic overhauling of DTH hammers based on wear and operating conditions.