COVER 4K6387 - Caterpillar

Installation Procedure
Be sure that the mating surfaces on the front support for the recoil spring are clean and free of dirt and debris prior to assembly. Be sure that the mating surfaces on the two bearings for the front idler are clean and free of dirt and debris prior to assembly.
Illustration 1 g00708896
Attach a suitable lifting device to the front idler (1), as shown. Install the front idler in the track roller frame. The weight of front idler is approximately 109 kg (240 lb).
Illustration 2 g00708895
Attach a suitable lifting device to the recoil spring and the hydraulic track adjuster (2).
Put the recoil spring and the hydraulic track adjuster (2) in position on the front idler.
Install bolts (3). Tighten bolts (3) to a torque of 240 40 N m (177 30 lb ft).
Illustration 3 g00708894
Fasten a suitable lifting device to the front idler, the recoil spring, and the hydraulic track adjuster.
Turn the front idler and the recoil spring around 180 degrees. The weight of the unit is approximately 204 kg (450 lb).
Slide the front idler (1), the recoil spring, and the hydraulic track adjuster (2) partially into the track roller frame.
Illustration 4 g00708958
Remove the suitable lifting device around the hydraulic track adjuster. Keep the suitable lifting device around the front idler (1), as shown.
Use a pry bar in order to slide the front idler into the final position inside the track roller frame. End By:
Connect the track assemblies. Refer to Disassembly and Assembly, "Track - Connect".