PIPE
CHOKE
USER'S
GUIDE
THESE INSTRUCTIONS ARE INTENDED AS A GUIDE
ONLY. FOLLOW THE PROCEDURES SPECIFIED BY YOUR COMPANY AND THE PIPE
MANUFACTURER.
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format
1
Prepare the pipe-choke tool for operation. Be sure that
you have all parts and the proper size squeeze stops.
2
Assemble the squeeze unit. Visually inspect your
equipment and test it to ensure proper operation. Pipe-choke tools should be
maintained in good working order for emergency use. Examine the hydraulic
hose(s) for kinks or nicks before each use.
3
Check the pipe area that will be
squeezed. DO NOT attempt to squeeze an area of pipe that has been
squeezed-off previously. Make sure that you have enough work space for the
pipe-choke and for the repair work.
4
Place the pipe-choke tool over the area of pipe to be squeezed.
Center the machine on the pipe. Make sure the correct stops are in place and
the tool is grounded. (Follow your company's squeeze-off
procedures exactly.)
5
Begin to apply pressure until the squeeze bars seat on the squeeze stops. A slow, uniform rate of pressure will lessen possible damage to the pipe. Place the mechanical back-up lock wedges in position and tap lightly to lock. Visually examine the squeeze-off.
6
Remove the hydraulics. The wedge
locks will keep the pipe squeezed-off and will help to eliminate
any release or tampering.
7
When repairs are completed, re-install the hydraulics and
apply only enough pressure to loosen the wedge locks. Remove the wedge locks
and slowly release the pressure. A slow reduction of pressure is as
important as a slow squeeze rate.
8
The pipe-choke may be rotated 90° and pressure re-applied
to re-round the pipe. Inspect the squeezed area. Report any damage immediately.
Mark the squeezed area.
9
A
support clamp may be installed on the
squeezed area. The clamp will help
maintain the correct pipe profile,
support the squeezed section and aid in identifying the squeezed area.
1. Prepare the pipe-choke tool for operation. Be sure that
you have all parts and the proper size squeeze stops.
2. Assemble the squeeze unit. Visually inspect your equipment
and test it to ensure proper operation. Pipe-choke tools should be maintained
in good working order for emergency use. Examine the hydraulic hose(s) for
kinks or nicks before each use.
3. Check the pipe area that will be squeezed. DO NOT attempt
to squeeze an area of pipe that has been squeezed-off previously. Make sure
that you have enough work space for the pipe-choke and for the repair work.
4. Place the pipe-choke tool over the area of pipe to be squeezed.
Center the machine on the pipe. Make sure the correct stops are in place
and the tool is grounded. (Follow your company's squeeze-off procedures
exactly.)
5. Begin to apply pressure until the squeeze bars seat on the
squeeze stops. A slow, uniform rate of pressure will lessen possible damage to
the pipe. Place the mechanical back-up lock wedges in position and tap lightly
to lock. Visually examine the squeeze-off.
6. Remove the hydraulics. The wedge locks will keep the pipe
squeezed-off and will help to eliminate any release or tampering.
7. When repairs are completed, re-install the hydraulics and
apply only enough pressure to loosen the wedge locks, Remove the wedge locks
and slowly release the pressure. A slow reduction of pressure is as
important as a slow squeeze rate.
8. The pipe-choke may be rotated 90° and pressure re-applied
to re-round the pipe. Inspect the squeezed area. Report any damage immediately.
Mark the squeezed area.
9. A support clamp may be installed on the squeezed area. The
clamp will help maintain the correct pipe profile, support the squeezed section
and aid in identifying the squeezed area.
THESE INSTRUCTIONS ARE INTENDED AS A GUIDE ONLY.
FOLLOW THE PROCEDURES
SPECIFIED BY YOUR COMPANY AND THE PIPE MANUFACTURER.
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