3064 and 3066 Engines for Caterpillar Built Machines Coolant Temperature Switch - Remove and Install Caterpillar


Coolant Temperature Switch - Remove and Install
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3064 and 3066 Engines for Caterpillar Built Machines [SENR5553]
ELECTRICAL AND STARTING SYSTEM
SWITCH GP
3064 and 3066 Engines for Caterpillar Built Machines Coolant Temperature Switch - Remove and Install
3064 and 3066 Engines for Caterpillar Built Machines Engine Oil Pressure Switch - Remove and Install
1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure

------ WARNING! ------

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.

----------------------


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.



NOTICE

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, "AVSpare Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on AVSpare products.

Dispose of all fluids according to local regulations and mandates.


  1. Drain the level of coolant from the radiator below the coolant temperature switch. Drain the coolant into a suitable container for storage or disposal.

  1. Disconnect the electrical connection to the coolant temperature switch.



    Illustration 1g00814982

  1. Remove coolant temperature switch (1) from the elbow.

Installation Procedure


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.


  1. Apply a thin coat of 5P-3413 Pipe Sealant to coolant temperature switch (1) .



    Illustration 2g00814982

  1. Install coolant temperature switch (1). Tighten coolant temperature switch (1) to a torque of 7 to 12 N·m (62 to 106 lb in).

  1. Reconnect the electrical connection to the coolant temperature switch.

  1. Fill the cooling system with coolant to the correct level. Refer to the Operation and Maintenance Manual, "Refill Capacities" topic for more information.

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