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Summary of Contents for Epiroc Secoroc COP 32
- Page 1 Secoroc COP down-the-hole hammers COP 32 / 32HD, COP 42 Operator’s instructions...
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Page 2: Table Of Contents
Trouble shooting �������������������������������������������������������� 15 Overhaulilng ..................15 Any unauthorized use or copying of the contents or any part thereof is prohibited. This applies in particular to trademarks, model denominations, part numbers and drawings. © Copyright 2018 Epiroc Drilling Tools AB, Fagersta, Sweden... -
Page 3: Safety Regulations
Safety regulations Technical data • Before starting, read these instructions carefully. Dimensions and weights COP 32 COP 42 Length without drill bit 925 mm 960 mm • Important safety information is given at various points in these instructions. Length excl. thread 849 mm 884 mm 77 mm (82... -
Page 4: General
With the aid of Epiroc ODEX equipment, COP down-the-hole hammers can be used to simultaneously drill and case holes in overburden. Secoroc equipment for the precision dillilng of long... -
Page 5: Preparing To Drill
Preparing to drill When drilling in soil or other non-consolidat- ed formations, the weight of the rig must not be loaded on to the feed near the mouth of the hole, since this could easily cause the Hose connection hole to cave-in. -
Page 6: Drilling
Drilling Collaring • Feed the hammer downward until the drill bit is about 5 cm from the collaring point. Rotation to the right • Start rotation to the right at low speed (creeping). DTH hammers must be rotated to the •... -
Page 7: Rotation Speed
Flushing — Air-blowing steady penetration and a constant, even rotation speed with no jamming (see table). To avoid wasteful re-crushing and the risk of N�B. It is important that the feed force be adapted to suit the jam ming, drill cuttings must be flushed out weight of the drill string. -
Page 8: Water Injection
N�B� Before using foaming concentrates not supplied by Atlas Copco, please consult your Epiroc representative for advice. With Atlas Copco foaming concentrate, a mixture of 0,5–2 percent concentrate/water is normally recommended. When drilling in... -
Page 9: Tools
Tools DANGER • Take great care when breaking the driver-chuck joint using Tools for removing the drill bit and top sub the bit removal tool in combination with reverse rotation. If from the DTH hammer the shaft of the tool is not locked or touching the edge of the feed beam, the shaft can turn with great force when breaking The threaded connections of the driver-chuck and top sub can be- the driver chuck joint. -
Page 10: Breaking The Driver Chuck Joint Using The Bit Removal Tool
B� Breaking the driver-chuck joint using the bit All Secoroc COP down-the-hole hammers contain a check valve that is designed to trap a removal tool quantity of air inside the hammer when the air If the driver-chuck joint is very tight, the special supply is switched off. -
Page 11: Checking The Wear Of The Driver Chuck And Cylinder
Checking the wear of the driver chuck and • Finally, the top sub must be screwed firmly into the cylinder and tightened with the aid of a rod spanner. The clearance between hammer cylinder the top sub and the cylinder should now have disappeared almost completely. -
Page 12: Regrinding The Drill Bit
Regrinding the drill bit Do not grind away too much cemented carbide Do not grind too much on the top of the buttons. Let a few millimetres of the wear flat The rate of bit wear depends on the rock formation, and is highest remain on top of the button. -
Page 13: Care And Maintenance
Care & maintenance best lubricating properties and are preferable in most cases. Min- eral-base oils have good adhesion properties and are produced in different viscosity and temperature- range grades. The service life and performance of DTH hammers depends to a Since mineral oils have good resistance to water, they are suit- large extent on good operating practice and regular maintenance. -
Page 14: Recommended Lubricants
For reasons of water hygiene, lubricating oils used in water-well drilling should be non-toxic. The temperature limits given above refer to the temperature of the oil in the tank, i.e. the ambient temperature. In cases where the hammer is powered by warm compressed air at high operating pressures, e.g. -
Page 15: Wear Limits
Before the DTH hammer is sent to an authorized Epiroc service workshop for overhauling, the joints at the top sub and driver chuck should be ”cracked” on... - Page 16 Inspired by innovation. Performance unites us, innovation inspires us, and commitment drives us to keep moving forward. Count on Epiroc to deliver the solutions you need to succeed today and the technology to lead tomorrow. epiroc.com Epiroc Drilling Tools AB...
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