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Summary of Contents for Epiroc Secoroc COP 44
- Page 1 Secoroc COP 44 down-the-hole hammer Operator’s instructions Spare parts lists...
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Page 2: Table Of Contents
Overhauling ..................15 Spare parts list �����������������������������������������������������������16 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 44 Length without drill bit, mm (in) 1034 (40.7) • Important safety information is given at various points in these instructions. Length with optional thread, mm (in) Length excl. -
Page 4: General
• It should be equipped with a rotation unit that has a vari- Together with Epiroc ODEX equipment, COP hammers are used able rotation speed of 0–90 r/ for simultaneous drilling-and-casing through overburden. When min and a rotation torque of used with Secoroc precision drilling equipment, COP hammers 750–3000 Nm (75–300 kpm). -
Page 5: Setting-Up The Rig
• the correct hose size is used between the compressor and the WARNING hammer; • there is no leakage in hose connections between the compressor and hammer. • Heavy lift. Take care when handling the hammer. The hammer and its internal components are heavy and DANGER difficult to handle, especially... -
Page 6: Collaring
and reduced penetration. The resultant reflex shock waves can WARNING damage the rotation unit and feed beam. • Too high a feed force causes the rotation to jam (either erratically or completely) and can subject the drill string to severe bending •... -
Page 7: Flushing - Air Blowing
• Always wear goggles during drilling. The backward-di- hammer. rected flushing air from the top sub contains drill cuttings N�B� Before using foaming concentrates not supplied by Epiroc, and oil residue which can injure the eyes. please consult your Epiroc representative for advice. -
Page 8: Tools
out the hammer. Oil should then be poured into the drillstring and DANGER the hammer operated for a few minutes before the drill string is withdrawn from the hole. If the hammer is then to be stored for a long time, it should be dismantled and all parts cleaned and oiled •... -
Page 9: Breaking The Driver-Chuck Joint Using The Bit Removal Tool
After cleaning, always coat the threads with Epiroc thread grease before jointing. When fitting the driver chuck back on to • Take extra care during jointing operations when drilling in abra-... -
Page 10: Shimming
• Finally, smear the threads of the top sub with Epiroc thread N�B� When the hammer cylinder has to be changed, the driver grease, and thread it into the cylinder. Tighten hard with the aid of chuck must be replaced at the same time (see the section “Wear... -
Page 11: Plastic Footvalve In The Bit Shank
• Remove topsub from hammer. with the aid of a screwdriver. Heating the foot valve to 50—70° C can make removal easier. • Take out disc spring unit (picture 1). • At this time act very carefully, and do NOT touch the friction springs, since they may be preloaded. -
Page 12: Regrinding The Drill Bit
Regrinding the drill bit Grinding equipment The rate of bit wear depends on the rock formation, and is highest The Grind Matic HG is a portable, in rocks with a high quartz content. A suitable grinding interval hand-held, air-powered grinding should be determined according to the rate of bit wear. -
Page 13: Lubrication
In this case, however, the dosage must be increased. Lubricating oil tank Epiroc COP oil Glycol-based lubricants, such as Epiroc Air Oil, are water soluble, and must not be mixed with mineral oils. They are used primarily Threads and splines Epiroc thread grease... -
Page 14: 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 15 Secoroc COP 44 Down-the-hole hammer 16 17 Ref. Part Prod. No. Product code Hammers and kits Prod. No. Product code Exhaust tube 86002883 9227 COP 44 complete, 2 3/8” API Reg Pin 89000482 9704-CO-00-10P-34-000 Chuck 89000053 9704-CO-00-000-34-000-001 COP 44 complete, 2 7/8” API Reg Pin...
- 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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