STUD 5P7273 - Caterpillar

Start By:a. remove drive chains
Do not disconnect any air line from the machine until all air pressure in the air tank is to zero. Release air pressure from the air tank by loosening the bleed valves. The valves are underneath the rear bumper on the sides of the air tank.
1. Disconnect air line (1) from the junction box. 2. Attach chains and a hoist to tandem drive housing (2). Install Tooling (A) on the brake and wheel spindle housing and to the hoist.
Back Side Of Tandem Drive Housing3. Remove bolts and washers (3) that hold tandem drive housing (2) to final drive (4).4. Remove tandem drive housing (2). The weight of the tandem drive housing (2) is 594 kg (1310 lb). The following steps are for the installation of the tandem drive housings.5. Attach chains and a hoist to tandem drive housings (2). Install Tool (A) on the brake and wheel spindle housing and to the hoist. Position the tandem drive housing to the final drive.6. Apply 155-0695 Thread Lubricant on bolts (3). Install bolts and washers (3) to final drive (4) and tandem drive housing (2). Tighten the bolts to a torque of 240 40 N m (177 30 lb ft).7. Connect air line (1) to the block on tandem drive housing (2).8. Adjust the final drive bearings. Refer to Testing & Adjusting "Final Drive Bearings - Adjust".End By:a. install the final drive chains. Refer to Disassembly & Assembly, "Drive Chains".