ENGINE AR 1W6784 - Caterpillar

Personal injury or death can result, if the bowl is not blocked up. Block the bowl before changing cutting edge.
Bowl or apron movement can cause serious injury or death.To prevent movement, block the bowl and apron when performing maintenance in the bowl area.
Do not attempt to increase wear life by welding on cutting edges. This may result in premature failures.Change or rotate the cutting edges or router bits, before the mounting surfaces become worn.
Note: Any material that might fall on the worker should be removed from the apron and from the sides of the bowl.
Park the machine on level ground.
Illustration 1 g02109639
Illustration 2 g02481477
Raise the bowl and block up the bowl. Block the bowl on both sides. Blocks should be of material that is suitable for carrying the weight of the bowl. Only block up the bowl to a sufficient height for the removal of the cutting edges. Raise the apron and pin the apron. Refer to Operation and Maintenance Manual, "Blocking the Bowl and Apron" for more information.
Engage the parking brake.
Illustration 3 g02109640
If the cutting edges (1) are worn, remove the bolts for the cutting edges (1). If the opposite sides of the cutting edges are not worn, rotate the cutting edges and install the opposite sides of the cutting edges outward. Clean the contact surfaces before installing.
Install new cutting edge sections if the cutting edges are worn on both sides.
If the end bits (2) are worn, remove the bolts for the end bits (2). If the opposite sides of the end bits are not worn, rotate the end bits and install the opposite sides of the end bits outward. Clean the contact surfaces before installing.
Install new end bits if the end bits are worn on both sides.
Install the bolts and tighten the bolts to the specified torque. See Service Manual, SENR3130, "Torque Specifications", "Ground Engaging Tool (G.E.T.) Fasteners".
Raise the bowl and remove the blocking. Lower the bowl to the ground.
After a few hours of operation, check the bolts for proper torque. Tighten the bolts, if necessary.