GMC 1976 ZEO 6083 Maintenance Manual page 819

Figure 52-Special Tool J-26227
2. Turn the proper pilot out about 1/2 inch . Put
the flare nut on the line and place the line to be flared
over the pilot (figure 53).
3. Grasp the line over the pilot with the Holding
Tool and screw the pilot into the Flaring Tool mak-
ing a flare on the end of the line (figure 54).
4. Assemble the flare insert and coupling to
the line so that the repaired line appears the same as
that in Figure 55 .
Figure 53-Flaring Plumbing Line
PLUMBING LINE TORQUES
Size Torque
3/8 inch .. .. .. . .. .. .. .. .. .. .. .. . .. .. .. .. ... .. .. .. .. .. .. ... .. 55-60 in . lbs.
1/2 inch .. .. .. ........... .. .. .. . . . .. .. .. .. .. ....... .. .. .. .. . 55-60 in . lbs.
5/8 inch . ..... .. . . .. .. . . . . . .. .. .. ....... .. .. .. .. .. . .. .. .. .. .
90-100 in . lbs.
SPECIAL TOOLS
J-26227
Flaring Tool
LIVING AREA WATER SYSTEM 24J- 29
Figure 54-Plumbing Line Ready for Repair
Figure 55-Typical Plumbing Line Repair