NOTE: The wear of the pins and bushings on the undercarriage vary with the working conditions and the different types of soil conditions. It is…

Remove the drive sprocket bolts [Figure 30-20-41]. Installation: Put thread adhesive (Loctite® 242) on the bolts and tighten to 108 N•m (80 ft-lb) torque. Remove…

Loosen the bolt (Item 1) and nut. Remove the top roller (Item 2) [Figure 30-20-38]. Loosen the bolts (Item 1) [Figure 30-20-39] on the track…

DO NOT DISASSEMBLE OR REPAIR THE COIL SPRING ASSEMBLY (Item 2) [Figure 30-20-34]. Remove the cylinder (Item 1) from the coil spring assembly (Item 2)…

DO NOT DISASSEMBLE OR REPAIR THE COIL SPRING ASSEMBLY (Item 1) [Figure 30-20-31]. Remove the recoil spring (Item 1) [Figure 30-20-31]. The flat sides (Item…

Clean all parts in solvent and dry with compressed air. Inspect the bearings (Item 1) and shaft (Item 2) [Figure 30-20-21] for wear or damage.…

The following tools must be fabricated for this procedure: 1. Driver Tool – see figure [Figure 30-20-14]. 2. Support Fixture – Tube, 90 mm ID…

Remove the track. (See Track Removal And Installation on Page 30-20-4.) Slide the track idler (Item 1) [Figure 30-20-13] out of the track frame.