DRAIN GP-MUFFLER 2797783 - Caterpillar

1. Attach a lifting strap to fan (1).2. Remove six bolts (2) and the fan assembly. Remove the V-belts. The weight of the fan assembly is 37 kg (80 lb). 3. Disconnect grease line (4). Remove two nuts and washers (5) holding belt adjuster (3) in place. 4. Attach a lifting strap to the fan drive unit.5. Remove four bolts (6) and fan drive (7). The weight of the fan drive is 27 kg (60 lb). Install in the reverse order. For adjusting belt tension, see the topic, Fan and Alternator Belts in the Operation & Maintenance Manual.Disassemble & Assemble Fan Drive
Start By:a. remove fan drive 1. Remove O-ring seal (3), bolt (1) and retaining washer (2). 2. Remove the pulley and hub assembly from bracket and shaft assembly (4). 3. Remove six bolts (5) and pulley (6) from hub (7). 4. Remove lip type seal (8) from hub (7). 5. Remove seal (8), bearing (11), spacer (12) and bearing (13).6. Remove roll pin (9) and spacer (10) from bracket and shaft assembly (4). 7. Use a press as shown to remove the shaft from bracket and shaft assembly (4). Install in the reverse order.8. Fill bracket and shaft assembly (4) with 1P0808 Multipurpose Grease. May use the grease line to fill after often the fan drive is installed.9. Install seal (8) and lubricate the sealing lip with lubricant being sealed.10. Apply 9S3263 Loctite to bolt (1) and install.End By:a. install fan drive