PUMP G. 0682411 - Caterpillar

General Notes
Illustration 1 g02173444
Install the tailgate retaining pins before any work is done. Refer to the Operation & Maintenance Manual.
Illustration 2 g02156142
The illustration above shows the support plate fully welded to the body plates.Note: Do not weld at the joint between the top and rear body plates. Shape the support plate to allow full welding around the plate, but with no weld at the joint between the body plates.Installation Procedure
Illustration 3 g02173452
Remove the rubber cover (A) and the retaining strip (B) that protects the tailgate cylinder. Retain for use at reassembly.
Illustration 4 g02189773
Use suitable cutting equipment in order to remove bracket assembly (C) from the ejector body. Then remove the tailgate cylinder pivot linkage (D) to allow access the pivot pin boss on the ejector body.
Illustration 5 g02173454
Accurately mark the location of the existing boss on the body frame rail. Carefully cut the boss from the side of the body frame rail. Using the location marks, position and clamp a new 285-8895 Boss (1) onto the frame rail. Weld the boss to the rail using a continuous 8 mm (0.4 inch) fillet weld completely around the boss.
Illustration 6 g02173455
Clean off all weld spatter and repair paint as required. Do not allow paint to come into contact with the inner bore of the boss.
Illustration 7 g02173476
Install a new 422-7783 Pin (2) .
Illustration 8 g02156176
Install tailgate pivot linkages onto new pin, then position 362-6727 Plate (3) onto pin (2) .Note: The plate may require some trimming to suit the ejector body.
Illustration 9 g02156193
Check the clearance between the inside face of the support plate (3) and the tailgate pivot linkage (4). With the tailgate pivot linkages pushed fully against the 285-8895 Boss (1), provide 2 mm (0.08 inch) to 3 mm (0.12 inch) of clearance.
Illustration 10 g02156194
Weld the support plate (3) to the body using fillet welds along the top and rear edges of the support plate. Weld on both sides of the plate.Note: Illustration 10 in this procedure shows the support plate fully welded to the body plates. Do not weld at the joint between the top and rear body plates. Shape the support plate to allow full welding around the plate, but with no weld at the joint between the body plates.
Illustration 11 g02173453
Install a new bracket assembly (C) for the protective cover for the tailgate cylinder. Position the bracket so that when the cover is installed the cover will not contact the tire or the pivot linkage. Weld the bracket to the body in four places using 5 mm (0.2 inch) fillet welds.
Install the linkage for the cylinder (D). Use a 7X-2578 Bolt (5) a 8T-4167 Hard Washer (6) .
Check operation of tailgate.
Remove weld spatter and repaint as required.
Reinstall the rubber cover.
Repeat procedure for the other side of the machine