HOUSING 8N1005 - Caterpillar

All fabricated plates are 290Mpa yield strength.ASTM A572 Grade 42 or 50.EN10025 s355k2g3 or equivalent.
Illustration 1 g06313352
(Plate 1) 10 mm (0.39 inch) thick
Illustration 2 g06313362
(Plate 2) 10 mm (0.39 inch) thick
Illustration 3 g06313659
(Plate 3) 10 mm (0.39 inch) thickRework Procedure
Right-hand Tower
Illustration 4 g06313675
(D1) 100 mm (3.94 inch)
Cut tower plate (A) along the outside edge. See Illustration 4 for dimension (D1) of cut.Note: Cracks in side sheet less than 300 mm (11.81 inch) should be ground or cut out, and then rewelded and ground flush.
Illustration 5 g06313683
(W1) 12 mm (0.47 inch)
Reweld all welds (W1) that were cut out.
Illustration 6 g06313687
Locate plate (1) against the fillet weld and tack into position. Top edge should be in line with tower plate (A).
Illustration 7 g06313689
(D2) 90 mm (3.54 inch)
(W2) 8 mm (0.32 inch)
Weld (W2) all the way around plate (1). Terminate weld (W2) at dimension (D2).
Weld the gap between plate (1) and plate (A).Left-hand Tower
Illustration 8 g06313691
(D3) 150 mm (5.90 inch)
Carbon Arc out weld and plate (B) tips. See Illustration 8 for dimension (D3).
Discard excess plate (B) tips.
Illustration 9 g06313697
All cracks should be ground out and reweld. Grind plate (B) flush.
Illustration 10 g06313702
(W1) 12 mm (0.47 inch)
Weld (W1) cut edges of plate (B).
Illustration 11 g06313703
Locate plates (2) at the top edge of plate (B). Tack plate (2) into position.
Center plate (3) with respect to tower (C).
Illustration 12 g06313704
(D3) 150 mm (5.90 inch)
(W2) 8 mm (0.32 inch)
Weld (W2) all the way around two plates (2). Terminate weld (W2) at dimension (D3).
Weld (W2) all the way around plate (3).Note: If access prevents from welding all the way around plate (3), see the weld in Illustration 12.
Illustration 13 g06313705
Weld the gap between plates (2) and plate (B). Weld the gap between plate (3) and plate (B).