PUMP-HYD VANE-YM 4228167 - Caterpillar

Illustration 1 g00110265
Raise the bulldozer blade and block up the bulldozer blade. When you remove the cutting edges and the end bits, maintain the bulldozer blade at a minimum height.
Remove the bolts. Then remove the cutting edge and the end bits.
Thoroughly clean all contact surfaces.
Inspect the opposite side of the cutting edge. If the opposite side of the cutting edge is not worn, turn the opposite side of the cutting edge outward and install the cutting edge.
If both sides of the cutting edge are worn, install a new cutting edge section.
Repeat Step 4 and Step 5 for the end bits.
Install all bolts and tighten the bolts to the specified torque. Refer to Operation and Maintenance Manual, "Torques for Ground Engaging Tools" .
Raise the bulldozer blade and remove the blocking. Lower the bulldozer blade to the ground.
After you operate the machine for a few hours, check all bolts for the proper torque.