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Atlas Copco DTH hammer technical manual. Fusion 50 thru 120.
Models covered.
Fusion 50
Fusion 55
Fusion 60
Fusion 65
Fusion 80
Fusion 120
CONTENTS
Read this instruction manual before operating this equipment.
SAFETY ........................3
INSTALLATION AND OPERATION ....7
Follow Instructions
Description
DTH Setup .....................7
Setting up the DTH
Valve, choke selection setup
Bailing velocity requirements
Bit installation
New bit and chuck
Used bit and chuck
Makeup torque and backhead closure
Drill lubrication..............8
Lubricators
Lubrication check
Water injection
Drill operation................9
Drilling with foam
Collaring
Rotation speed
Feed force
Hole cleaning, flushing, and dust
suppression
Dry drilling
Wet drilling
Bit changing...................10
Removing the drill bit
Removing the bit with percussion only
MAINTENANCE AND REPAIR ........12
DTH Service ...................12
Disassembly
Hydrocyclone® .................13
Disassembly and service
DTH assembly ..................16
Exhaust tube ..................18
Replacement and installation
Bits ..........................18
Selection
Service
Bit Sharpening
TROUBLESHOOTING ...............20
SPECIFICATIONS ................23
ORDERING INSTRUCTIONS .........25
PARTS LISTS ...................25
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