HARNESS AS-CONTROL 2417921 - Caterpillar

Removal Procedure
Illustration 1 g00716641
Typical exampleShear jaws are equipped with three types of cutting edges. The lower jaw is equipped with cutting edge (7) that is mounted vertically. This cutting edge prevents bending of the jaw during the cutting process.The other cutting edges consist of front cutting edges and rear cutting edges. Front cutting edges (1) are held in place with retainers (3) . Rear cutting edges (5) are not equipped with retainers.Note: Cutting edge (7) also uses retainers in the mounting.
Install an appropriate lifting device to the upper jaw in order to secure the jaw open.
Remove the nuts, the washers, and the flat head screws that secure each cutting edge to the jaw. Remove the shim pack behind each cutting edge.
Remove the retainers and the shim packs for the retainers from the front cutting edges and from the vertical cutting edge.Installation Procedure
Installation of the Cutting Edge (Rear)
Illustration 2 g00716641
Typical example
Illustration 3 g00717017
Inspect the cutting edges for wear. Radius (R) should not not exceed 5 mm (0.1969 inch). If the wear on the cutting edge exceeds the specification, the cutting edge may be turned to another position.
Clean all parts and inspect all parts. If any parts are worn or damaged, use new Caterpillar parts for replacement.Note: Cutting edge (7) should not be attached to the jaw during the process of calculating the shims for the rear cutting edges.
Install the following items to the jaw: cutting edge (5) , shim pack (6) , the flat head screws, the washers and the nuts.
Repeat the previous step for the remaining rear cutting edge.Note: Ensure that the screws are properly torqued. The torque on the screws is