Ditch Witch JT920 - Assembling the Backream String

JT920/JT920L - OPERATION 101
ASSEMBLE BACKREAM STRING
JT920/JT920L - OPERATION 101
ASSEMBLE BACKREAM STRING
ASSEMBLE BACKREAM STRING
When the bore is completed, bore can be enlarged by
backreaming or material can be pulled back.
Backreaming Procedure
Soil, devices used, and jobsite conditions determine the
procedures used in each backream. While this chapter includes
basic backreaming information, contact your Ditch Witch dealer
for information and training in your soil type and with your
equipment.
Turning shaft will kill you or crush
arm or leg. Stay away.
NOTICE: Keep everyone away from material being
installed.
Moving parts. Being struck by
wrench will kill or injure. Do not use drilling unit to
turn or move drill string when wrench is used.
Jobsite hazards could cause death or
serious injury. Use correct equipment
and work methods. Use and maintain
proper safety equipment.
NOTICE: Continue to use strike system during backreaming.
ASSEMBLE BACKREAM STRING
When the bore is completed, bore can be enlarged by
backreaming or material can be pulled back.
Backreaming Procedure
Soil, devices used, and jobsite conditions determine the
procedures used in each backream. While this chapter includes
basic backreaming information, contact your Ditch Witch dealer
for information and training in your soil type and with your
equipment.
Turning shaft will kill you or crush
arm or leg. Stay away.
NOTICE: Keep everyone away from material being
installed.
Moving parts. Being struck by
wrench will kill or injure. Do not use drilling unit to
turn or move drill string when wrench is used.
Jobsite hazards could cause death or
serious injury. Use correct equipment
and work methods. Use and maintain
proper safety equipment.
NOTICE: Continue to use strike system during backreaming.