TUBE 1487109 - Caterpillar

Typical Example1. Remove the bolts and cover (2).2. Remove the bolts and use two 1/2" -13 NC forcing screws to remove adapter assembly (1).
Typical Example3. Remove the bolts and remove adapter assembly (3), the drive gear and the shaft as a unit.Install Accessory Drive (Front)
1. Install the two O-ring seals on adapter assembly (3) and put clean engine oil on them.2. Install the shaft, the drive gear and adapter assembly (3) in the front drive housing. Make sure the teeth of the accessory drive gear are correctly engaged with the teeth of the lower accessory drive gear. Install the bolts. 3. Make sure the two O-ring seals are installed on adapter assembly (1) and put clean engine oil on them. Put clean engine oil on the bearing in adapter assembly (1) and install the adapter assembly and the bolts.4. Make sure the O-ring seal is installed on the cover. Put clean engine oil on the O-ring seal. Install the cover on adapter assembly (1) and install the bolts.End By:a. install governor driveDisassemble & Assemble Accessory Drive (Front)
Start By:a. remove accessory drive (front) 1. Remove O-ring seals (3) and (4) from adapter (1).2. Use a press and tooling (A) to remove bearing (2). 3. Remove bolts (7) to remove gear (5) from shaft (6). 4. Remove bolts (8) and retainer washers (9) to remove shaft (6) from adapter (10). 5. Remove O-ring seals (12) and (13) from adapter (10).6. Using a press and tooling (A), remove bearing (11) from adapter (10). The following steps are for the assembly of the accessory drive.7. Align the oil hole in bearing (11) with the oil hole in adapter (10). Using a press and tooling (A), install bearing (11) in adapter (10). Check the bore in the bearing after assembly. The bore in the bearing must be 75.000 0.055 mm (2.9528 .0022 in). The bearing must be flush (even) with the surface of the adapter.8. Install O-ring seals (12) and (13) on adapter (10) and put clean engine oil on them.9. Put clean engine oil on the bearing in adapter (10). Install shaft (6), retainer washers (9) and bolts (8).10. Install gear (5) on shaft (6) and install bolts (7).11. Align the oil hole in bearing (2) with the oil hole in adapter (1). Using a press and tooling (A), install the bearing in adapter (1). Check the bore in the bearing after assembly. The bore in the bearing must be 75.000 0.055 mm (2.9528 .0022 in). The bearing must be 1.5 0.5 mm (0.06 0.02 in) below the surface of the adapter.12. Install O-ring seals (3) and (4). Put clean engine oil on them.End By:a. install accessory drive (front)