WORM 1747425 - Caterpillar

(3) Tack weld 3G4320 Bracket (5), 3G4322 Plate (6), 3G4321 Plate (7), 3G4318 Bracket (8) and 3G2158 Plate (9) to each side of the scraper frame at the dimensions shown. (4) Weld Bracket (5) in place with .38" (9.7) bevel groove welds on two sides. (5) Weld plates (6) and (7) to the frame with .12" (3.0) fillet welds on four sides, and to each other. (6) Weld bracket (8) with .25" (6.4) bevel groove welds. Weld plate (9) with .19" (4.8) flare bevel groove and fillet welds. (7) Install fenders (10) to brackets (5) and plates (6) with bolts, nuts and washers. Install supports (11) to brackets (8) and fasten brackets (12) to supports (11) with bolts, nuts and washers. Fasten fenders (13) to fenders (10) and brackets (12) with bolts, nuts and washers.657 - 19G, 53K
(1) Use an Arcair torch to remove fenders (1) and steps (2); grind the surface smooth. (2) If so equipped, remove fenders (3) and brackets (4). (3) Tack weld a 3G5532 or 9J8873 Plate (5) to each side of the frame at the dimensions given for the serial number of machine as shown. (4) Install right fender (6) and the left fender to the dimensions shown and tack weld to spreader tube (7). Tack weld 3G5609 Plates (8) at the dimensions shown, to fenders (6) and the spreader tube. (5) Tack weld 3G5542 Bracket (9) on plate (5) to the dimensions shown. (6) Fasten 5D9743 Brackets (10) to the frame at the dimensions shown, with .12" (3) fillet welds on each side. (7) Install 3G5539 Support Assembly (11) to bracket (9) and fasten bracket (12) to support (11). Install fender (13) and check the hole alignment. Remove fender (13) so the welds can be made. (8) Weld plate (5) to the frame with .38" (9.7) fillet welds on both sides, and weld bracket (9) to plate (5) with .38" (9.7) bevel groove and fillet welds at (A) and (B), respectively. Weld fenders (6) to spreader tube (7) with .25" (6.4) bevel groove welds and .38" (9.7) fillet welds. Weld brackets (8) with .38" (9.7) fillet welds on both sides. (9) Fasten fender (13) to bracket (12) and to fender (6) with bolts, nuts and washers. Make two blocks (14) as shown and weld them in place as shown with a .25" (6.4) fillet weld. Install the bolt and washer. (10) Install treads (15) to the dimensions shown on fenders (13).650B, 651B
(1) Use an Arcair torch to remove fenders (1); grind the surface smooth. On 651 Scrapers 45M665-45M690, the braces under the fenders can be left in place. (2) If so equipped, remove fenders (2) and brackets (3). (3) Put 3G9627 (R.H.) Fender (4) and 3G9628 (L.H.) Fender in place on the scraper according to the dimensions shown from the scraper center line; tack weld to spreader tube (5). Tack weld 3G5619 Plates (6) on tube (5) and the fenders to the dimensions shown. (4) Tack weld 3G5618 Brackets (7)