SLEEVE 7H3577 - Caterpillar

Removal Procedure
Start By:
Remove the refrigerant compressor. Refer to Disassembly and Assembly, "Refrigerant Compressor - Remove and Install".
Remove the alternator. Refer to Disassembly and Assembly, "Alternator - Remove and Install".
Personal injury can result from hot coolant, steam and alkali.At operating temperature, engine coolant is hot and under pressure. The radiator and all lines to heaters or the engine contain hot coolant or steam. Any contact can cause severe burns.Remove cooling system pressure cap slowly to relieve pressure only when engine is stopped and cooling system pressure cap is cool enough to touch with your bare hand.Do not attempt to tighten hose connections when the coolant is hot, the hose can come off causing burns.Cooling System Coolant Additive contains alkali. Avoid contact with skin and eyes.
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 machine. 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 in Caterpillar machines.Dispose of all fluids according to local regulations and mandates.
Drain the coolant from the system into a suitable container for storage or disposal. The capacity of the cooling system is 55 L (15 US gal).
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Remove bolts (1) and mounting plate (2) .
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Loosen hose clamp (3) .
Disconnect hose assembly (4) .
Remove six bolts (5) .
Remove regulator housing (6) .
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Remove water temperature regulators (7) .Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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Install water temperature regulators (7) .
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Install regulator housing (6) .
Install six bolts (5) .
Connect hose assembly (4) .
Tighten hose clamp (3) .
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Install mounting plate (2) and bolts (1) .
Fill the cooling system with coolant to the correct level. Refer to the Operation and Maintenance Manual for the correct filling procedure.End By:
Install the alternator. Refer to Disassembly and Assembly, "Alternator - Remove and Install.".
Install the refrigerant compressor. Refer to Disassembly and Assembly, "Refrigerant Compressor - Remove and Install".