BONNET 2776197 - Caterpillar

(9ZC),
789B (7EK),
793 (3SJ),
793B (1HL),
793C (4AR) Off-Highway TrucksReference: Service Magazine; May 5, 1997; Page 19; "New Material Increases Service Life Of Brake Hubs".Description of Change: The 141-8970 Alignment Tool is only needed for servicing 135-2555 Rear Wheels (cast) on the Off-Highway Trucks. The 141-8970 Alignment Tool is used for removal and installation of the rear wheel (cast) in the horizontal position. The tool bolts on the inside of the outboard wheel face and provides a second rib to stabilize the wheel and prevent the inboard bearing cage from being damaged as the wheel is moved into position. The 140-7642 Duo Cone Seal Installer is used to install the duo cone seal in the new brake hub retainer on 789B and 793C Off-Highway Trucks.
Adaptable To: The 141-8970 Alignment Tool can be used on 793C (4AR77-Up) Off-Highway Trucks and those trucks that have been retrofitted with the 135-2555 Rear Wheel (cast). The 140-7642 Duo Cone Seal Installer will be required to install duo cone seals on any 789 and 793 Off-Highway Trucks using the 136-7006 or 136-7007 Brake Hubs on 789B (7EK530-Up) and 793C (4AR80-Up) Off-Highway Trucks.