GEAR AS-PUMP 2P9332 - Caterpillar

Start By:a. remove final drive planetary carriers
Put wood blocks under the outside edge of tire as supports to hold it in correct position before the hub and gear are removed. If supports are not used, the tire will fall.
1. Remove bolts (2), ring (3) and the shims from the end of the axle housing. 2. If retainer (1) is in the position shown, it must be removed to permit the installation of tool (A) in the groove of the gear.3. Fasten tool (A) to a hoist. Put tool (A) in the groove of gear (4). Remove the gear and hub as a unit from the end of the axle housing. Weight of the unit is approximately 88.5 kg (195 lb.).4. Remove the retainers (1) that hold the gear and hub together. Remove the gear from the hub. Weight of the gear is 43 kg (95 lb.). Weight of the hub is 45 kg (100 lb.). The following steps are for the installation of the final drive gears and hubs. Before adjustment of the wheel bearings is started, check to be sure the bearing cups have a tight seat against the bottom of the bore in the wheel. Use a 0.03 mm (.001 in.) or 0.05 mm (.002 in.) feeler gauge to check for any clearance behind the bearing cup. If any clearance is found, use a bearing driver or press to move the bearing cup until it has a tight seat with no clearance.5. Put gear (4) in position over the hub. Install the bolts, lock and retainers (1) that hold the unit together.6. Fasten a hoist and tool (A) to the gear and hub. Put the unit in position on the end of the axle housing. 7. Make an adjustment to the wheel bearings as follows:a. Install ring (3) without shims. Install three bolts (2) the same distance apart to hold the ring.b. Tighten the bolts evenly to a torque of 35 N m (25 lb.ft.).c. Turn the wheel and tighten the three bolts again to a torque of 70 7 N m (50 5 lb.ft.) as the wheel is turned. Tighten each bolt only once.d. Use a depth micrometer and measure through the threaded holes in ring to find the average depth. Make a record of the average depth.e. Remove ring (3) and measure the thickness of the ring at the holes with the threads to find an average thickness. Make a record of the average thickness.f. Find the difference between the two average measurements. This difference is the distance between the end of the axle housing and ring. Make a record of this distance.g. The average difference in Step 7f plus 0.30 mm (.012 in.) is the amount of shims to install between the end of the axle housing and ring.h. Install the correct amount of shims, ring (3) and the bolts that hold the ring. Turn the wheel and tighten the bolts to a torque of 275 27 N m (200