TUBE 1U4616 - 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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.Dispose of all fluids according to local regulations and mandates.
Drain the coolant from the cooling system to a level below the exhaust bypass valve into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change".
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Remove bolts (1) and cover (2).
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Disconnect line (3), line (4), and line (5)
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Remove locknuts (6) and exhaust bypass valve (7).Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 2P-2333 High Temperature Sealer -
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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If the studs for exhaust bypass valve (7) are installed, tighten the studs to a torque of 35 5 N m (26 4 lb ft).
Apply Tooling (A) to the threads of the studs and to the mating face of the locknuts. Position the new gasket and exhaust bypass valve (7) on the exhaust elbow. Install new locknuts (6). Tighten locknuts (6) according to the following procedure.
Tighten two diagonal locknuts to a torque of 25 6 N m (18 4 lb ft).
Tighten the remaining locknuts to a torque of 25 6 N m (18 4 lb ft).
Tighten all four locknuts to a torque of 47 9 N m (35 7 lb ft).
Illustration 5 g06059654
Connect line (3), line (4), and line (5)
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Install cover (2) and bolts (1).
Fill the cooling system with coolant. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change".