797 and 797B Off-Highway Truck C175-20 Engine Retrofit Procedure Caterpillar


Assembly Preparation

Usage:

797 5YW

Necessary Equipment and Supplies for Assembly

The following items are required in order to retrofit the 797 Off-Highway Truck with the C175-20 engine:

  • Nine 208 L (55 US gal) barrels of hoist, brake cooling, and brake system oil (TDTO, TO-4). SAE viscosity grade 10 is recommended. Refer to the Operation and Maintenance Manual for more details.

  • 6 bbl of transmission, torque converter, steering, and fan drive oil (TDTO, TO-4). Each barrel is equivalent to 208 L (55 US gal). The recommended SAE viscosity grade is 30. Refer to the Operation and Maintenance Manual for more details.

  • 6 bbl of extended life coolant ELC are required. Each barrel is equivalent to 208 L (55 US gal). Commercial grade ELC that meets (EC-1) is acceptable. Refer to the Operation and Maintenance Manual for more details.

  • Cables, straps, and chains that have adequate capacity

  • Two shackles with a load limit of 122460 kg (270000 lb)

  • Two shackles with a working load limit of 72580 kg (160000 lb)

  • One air compressor that has a minimum capacity of 3 CM (100 CFM) and capable of operating two air driven tools

  • Four hardwood blocks that are 203 mm (8.0 inch) square and 244 cm (96 inch) long

  • Eight hardwood blocks that are 203 mm (8.0 inch) square and 122 cm (48 inch) long

  • Step ladders that are 1.8 m (6 ft) tall

  • Step ladders that are 3.6 m (12 ft) tall

  • At least 7.6 m (300 inch) of rope that is 19 mm (0.75 inch) in diameter

  • A lift truck with a minimum capacity of 9072 kg (20000 lb)

  • Two man lifts with a minimum lift height of 6 m (20 ft).

  • Paint spray gun

  • Four 138-7573 Link Brackets, four 138-7575 Link Brackets, four 138-7574 Link Brackets and four 138-7576 Link Brackets

  • Four metal stands that support the truck body

  • 4C-4188 Paint Remover

  • 5P-0960 Molybdenum Grease

  • 9S-3263 Thread Sealant

  • 4C-5599 Anti-Seize Compound

  • 2P-2506 Anti-Seize Compound

  • Three 1U-6396 O-Ring Assembly Compounds

  • Two 4C-6122 Paint

  • One 4C-4197 Yellow Primer

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