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4. ASSEMBLY
WARNING! Ensure that you have read and understood Section 1 Safety Instructions before operating the pipe bender.
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WARNING! When the pipe bender is packed in its box, it is extremely heavy and will require at least 2 people to move it.
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WARNING! The pump unit itself is also very heavy and should be handled with care.
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4.1.
Remove the pump unit from the box and place it upside down on a smooth flat clean surface.
4.2.
Identify the four 12mm socket cap mounting bolts and slide a spring washer and then a plain washer onto each bolt. Referring to fig.1
align the four mounting holes in the lower plate (A) with the threaded holes in the block at the front of the pump unit. Insert
the four 12mm socket cap bolts and screw down finger tight. Take the 10mm hex key provided and fully tighten the four bolts.
4.3.
Adjacent to the mounting bolts are three tubular sockets for the tripod legs. Insert a tripod leg into each socket. See D in fig.1.
4.4.
Screw an 8mm socket cap bolt through the side of each socket to clamp the legs in place as shown at E in fig.1. Tighten each bolt using
the 6mm hex key.
4.5.
Turn the assembly the right way up so that it is standing on its tripod legs. Care should be taken when doing this, get another
person to help you as the unit is heavy.
4.6.
Locate the bending rollers (see Z - fig.2) into suitable holes in the lower plate (A) so that they are displaced equally either side of the
pump unit.
4.7.
Identify the pivot pin (C) for the upper plate (B) and have it ready for insertion. (see fig.2.)
4.8.
Lower the upper plate (B) onto the pipe bender so that the upward facing shafts of the bending rollers locate into the plate and the pivot
arms are lying either side of the front of the pump block. Referring to fig.2, align holes 'X' in the pivot arms with the hole 'Y' in the pump
block and fully insert the pivot pin (C).
5. OPERATION
WARNING! Ensure that you read, understand and apply Section 1 Safety Instructions before operating the pipe bender.
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NOTE: When using hydraulic type pipe benders, the bent pipe or tube is prone to deformation on both the inside and outside curvature.
The pipe or tube can be deformed into an oval shape or creased depending on the wall thickness of the material. This is not a fault and
largely unavoidable. Consider packing the pipe or tube with dried sand or similar medium before bending as this may help to alleviate
deformation of the pipe or tube. Pack the sand tight and cap both ends.
5.1.
The nut on the oil filler located on the top of the pump body doubles as a vent and needs to be opened one turn before using the unit.
The nut should be done up tightly if the unit is moved or stored away for a long period, to prevent hydraulic oil spillage. See fig.3.
5.2.
Before using the pipe bender purge any air from the hydraulic system by opening the relief valve situated on the side of the unit
anticlockwise and pumping the handle several times. Close release valve.
5.3.
Hinge up the top plate. Select the required die (see fig.4) and place it onto the end of the ram piston. See fig.5.
5.4.
Position the rollers according to the triangular label in the centre of the top plate. See fig.2-B.
5.5.
Rotate the rollers so that the most appropriate of the three contours available will be against the pipe.
5.6.
Introduce the pipe between the die and the rollers, swing down the upper plate ensuring that it locates correctly onto the roller shafts and position
the pipe so that the centre of the required bend is in the centre of the die.
5.7.
Close the release valve by turning the knob clockwise. Insert the pump handle into the socket above the larger of the two pumping
pistons (see fig.3) and pump to close the gap between the die and pipe. Before applying bending pressure do a final check on the
positioning of the pipe. Now insert the handle into the socket above the smaller of the pumping pistons and pump until the required degree
of bend is achieved.
5.8.
Open the release valve and the piston will retract under spring tension. Raise upper plate and remove or reposition the pipe as required.
5.9.
After use, store the pipe bender with the ram fully retracted and the pumping pistons in the down position.
fig.3
© Jack Sealey Limited
fig.1
Original Language Version
fig.4
PBS90.V2, PBS91.V4 Issue:3 (2,H,F)
fig.2
04/08/22
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