Tools Required

J 29803-A ISO Flaring Tool

1. Obtain the recommended tubing and steel fitting nuts of the correct size. Use the outside diameter tubing in order to specify the size.
2. Cut the tubing to length. Determine the correct length by using a string in order to measure the old pipe. Add 3 mm (1/8 in) for each ISO flare.
3. Before starting the flare, install the fittings on the tubing.
4. Chamfer the inside and outside diameter of the pipe with the de-burring tool.
5. Remove all traces of lubricant from the brake pipe and the flaring tool.



6. Clamp the flaring tool body (1) in a vise.
7. Select the correct size collet and forming mandrel for the pipe size used.
8. Insert the proper forming mandrel (3) into the flaring tool body.
9. Hold the forming mandrel in place and rotate the forcing screw (2) clockwise until the forcing screw contacts the forming mandrel (3).
10. Turn the forcing screw counterclockwise one rotation.



11. Slide the clamping nut (1) over the brake pipe and into the correct collet (2). Leave approximately 19 mm (3/4 in) of tubing extending out the collet.
12. Insert the collet into the tool body. The brake pipe end must contact the face of the forming mandrel.
13. Tighten the clamping nut into the tool body very tight or the pipe may push out.
14. Wrench tighten the forcing screw until the screw bottoms. Do not overtighten the forcing screw or the flare may become oversized.



15. Back the clamping nut out of the tool body.
16. Disassemble the clamping nut and collet. The flare is now ready for use.
17. Bend the pipe to match the old pipe. Maintain a clearance of 19 mm (3/4 in) for all moving or vibrating components.