TURBOCHARGER GP 2529659 - Caterpillar

Engine To Pump Coupling.
(1) Engine Flywheel. (2) Pump Input Shaft. (3) Bolt. (4) Flange. (5) Hub. (6) Hub. (7) Clamping Device. (8) Bolt. (A) Dimension.1. After removing the pump from the engine, discard the old coupling. Do not use any washers with bolts (3).2. Assemble flange (4) with hub (5) facing away from the engine. Use eight bolts (3) to fasten flange (4) to engine flywheel (1). Tighten eight bolts (3) to a torque of 45 N m (33 lb ft).3. Assemble hub (6) to pump input shaft (2) with clamping device (7) facing the engine. Locate hub (6) on pump input shaft using dimension (A). Dimension (A) is 3.0 1.0 mm (.12 .04 in). Tighten bolt (8) to a torque of 240 N m (178 lb ft).