Removal Procedure
Start By:
- Remove the cab fan motor. Refer to Disassembly and Assembly, "Cab Fan Motor - Remove" for the correct procedure.
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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. |
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At the operating temperature, the engine jacket water system is hot and under pressure. Hot engine coolant and steam can cause burns. Remove the breather cap when the engine is stopped and the breather cap is cool enough to touch. Slowly loosen the breather cap in order to release any pressure in the tank. Be cautious of hot engine coolant when any hose assemblies are disconnected in the engine coolant system. |
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- Loosen hose clamp (5). Disconnect hose (6) .
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| Illustration 1 | g00458327 |
- Loosen bolt (2). Release clamp (4) .
- Remove two bolts (1), the two washers, and retainer (3) .
- Remove the insulation that is between the housing and the top of the heater coil.
- Remove heater coil (7). Be careful not to damage the thermostat capillary tube.
Note: When the heater coil is removed, do not allow the thermostat capillary tube to be crimped. If this tube is crimped, the thermostat must be replaced.
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| Illustration 2 | g00457928 |
Installation Procedure
- Install heater coil (7). Be careful not to damage the thermostat capillary tube.
Note: When the heater coil is installed, do not allow the thermostat capillary tube to be crimped. If this tube is crimped, the thermostat must be replaced.
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| Illustration 3 | g00457928 |
- Install the insulation between the housing and the top of the heater coil.
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| Illustration 4 | g00458327 |
- Install retainer (3), the two washers, and two bolts (1) .
- Install clamp (4). Tighten bolt (2) .
- Connect hose (6). Tighten hose clamp (5) .
End By: Install the cab fan motor. Refer to Disassembly and Assembly, "Cab Fan Motor - Install" for the correct procedure.