LOCK-YOKE 1451894 - Caterpillar

Installation Of New Parts In C-H And Accumulator Lines Group
1. Remove the C-H accumulators, the C-H leveling valve, and the support assembly to which the accumulators were fastened. Illustration 1 shows these parts. See Disassembly and Assembly Module in the Service Manual for their removal.
Illustration 1. Location of former parts to be removed from the tractor.2. Referring to Illustration 2, cut off the plate(s) to which the C-H return line was fastened.
Illustration 2. Locations of former plate(s) to be cut off the former 6G8279 Support Assembly for the accumulator cylinders.3. Weld the new 8W3263 Bracket at the location of the plate(s) cut off of the former support assembly. This bracket is to be in a horizontal position, but will not extend out as far as the former plate(s).4. Reinstall the modified support as., valve, and accumulators. Use the new clamps and new elbow as. at the bottom of the front accumulator cylinder.5. Install the new C-H return tube and hose and connect them to the hole in the new welded-on bracket.6. Reconnect valve lines.Installation Of New Parts In C-H Control Group
1. Install the 8W414 Support Assembly in place of the former part. See Illustration 3.
Illustration 3. New parts in the C-H control group.2. Install the new hose assembly and new tube assembly (C-H return line parts). These are attached to the new 8W3263 Bracket Assembly to be welded to the top of the 6G8279 Support Assembly. See previous topic.3. Fasten the 8W433 Support Assembly to the side of the hitch in place of the former part. See Illustration 4. Use two new 8W1253 Spacers on the mounting studs. See next topic.
Illustration 4. Location of 8W433 Support Assembly and new clips for the tubes.4. Using the two new clips, fasten the new C-H return tube and the existing tube to the new 8W433 Support Assembly. See Illustrations 4 and 5.Installing New Parts In The Trailing Unit Control Group
The new parts are located as shown in Illustration 5. The new C-H return tube is fastened with a new clip to the 8W433 Support Assembly on the side of the hitch. Note the location of the 14 new, harder spacers.
Installation Of New Parts In The 6G4800 Steering Lines Group
The new 7-8W1253 Spacers are direct replacements for the former 6G8291 Spacers. See Illustration 6.
Illustration 5. Location of new parts in the trailing unit control group.
Illustration 6. Location of harder spacers in the steering lines.