CARBURETOR A 1N4646 - Caterpillar

Removal Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Drain the coolant from the engine oil cooler into a suitable container. Drain the engine oil from the engine oil cooler into a suitable container. Refer to Operation and Maintenance Manual for the procedure on draining the engine coolant and the engine oil.Note: Refer to Operation and Maintenance Manual, "Refill Capacities" for the coolant capacity and the engine oil capacity of the engine.
Illustration 1 g00952614
Remove the setscrews (6). Remove the setscrews (4) .Note: Do not remove the setscrews (7) at this time.
Remove the housing for the engine oil cooler (3) from the cylinder block.
Remove the setscrews (7). Remove the engine oil cooler (2) and the seals (5) from the housing for the engine oil cooler (3). Discard the seals (5) .
Remove the gasket (1) from the housing for the engine oil cooler and the cylinder block. Discard the gasket (1) .Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Clean the mating surfaces of the housing for the engine oil cooler and the cylinder block.
Illustration 2 g00952614
Position the engine oil cooler (2) and new seals (5) on the housing for the engine oil cooler. Install the setscrews (7) in order to secure the engine oil cooler to the housing.Note: Do not use sealants on the gasket (1) .
Position the housing for the engine oil cooler (3) and a new gasket (1) on the cylinder block. Install the setscrews (4) and the setscrews (6) in order to secure the housing for the engine oil cooler to the cylinder block.
Tighten all of the setscrews (4, 6 and 7) to the correct torque. Refer to the Torque specifications Manual, "Standard Torques for Metric Fasteners" for further information.Note: Refer to Operation and Maintenance Manual, "Refill Capacities" for the cooling system capacity and the lubrication system capacity of the engine.
Fill the cooling system with coolant. Fill the lubrication system with engine oil.