ELBOW AS 8N8261 - Caterpillar

Illustration 2 g06358889
(D1) 60 degrees
(D2) 6 mm (0.2 inch)
Prepare a bevel edge on the two sides, as shown in Illustration 1 and Illustration 2.Note: No bevel edge preparation on the front plate.
Illustration 3 g06357151
(D3) 30 mm (1.9 inch)
Tack weld per the dimensions and sequence shown in Illustration 3.For the welding type and parameters refer to Table 1.Note: No Stop/starts or undercut allowed on or near corners.
Table 1
Sequence Description Weld Procedure Diameter POS Size WFS Volts
1 Tack Weld in sequence and into position at displayed locations GMAW (Gas Metal Arc Welding) 1.2 mm (0.05 inch) 4F 4 mm (0.2 inch) to 6 mm (0.2 inch) 355 28
Illustration 4 g06357890
Weld the plates three times in sequence, as shown in Illustration 4.Refer Table 2 for information on sequence of welding.
Table 2
Sequence Weld Procedure Diameter POS Size WFS Volts
Root Run GMAW 1.2 mm (0.05 inch) 4F 6 mm (0.2 inch) to 8 mm (0.3 inch) 370 27.5
Second Run GMAW 1.2 mm (0.05 inch) 4F 6 mm (0.2 inch) to 8 mm (0.3 inch) 19.2 176
Third Run GMAW 1.2 mm (0.05 inch) 4F 6 mm (0.2 inch) to 8 mm (0.3 inch) 19.2 176
Illustration 5 g06357904
Complete weld runs from positions A to B, as shown in Illustration 5.Refer Table 2 for information on sequence of welding.Note: Integrate all stop/starts with previous welds to ensure a good defect free transitions.Note: No Stop/starts or undercut allowed on or near corners.
Table 3
Sequence Weld Procedure Diameter POS Size WFS Volts
Root Run GMAW 1.2 mm (0.05 inch) 4F 6 mm (0.2 inch) to 8 mm (0.3 inch) 370 27.5
Second Run GMAW 1.2 mm (0.05 inch) 4F 6 mm (0.2 inch) to 8 mm (0.3 inch) 19.2 176
Third Run GMAW 1.2 mm (0.05 inch) 4F 6 mm (0.2 inch) to 8 mm (0.3 inch) 19.2 176
Illustration 6 g06357906
Complete weld from positions C and D, as indicated with one 8 mm (0.3 inch) run, as shown in Illustration 6.Refer Table 2 for information on sequence of welding.Note: Integrate all stop/starts with previous welds to ensure a good defect free transitions.Note: No Stop/starts or undercut allowed on corners.
Table 4
Sequence Weld Procedure Diameter POS Size WFS Volts
One Run C-D GMAW 1.2 mm (0.05 inch) 4F 8 mm (0.3 inch) 19.2 176