HOUSING 3327160 - Caterpillar

Drain the coolant from the cooling system into a suitable container for storage or disposal. The capacity of the cooling system is 50 L (13.2 US gal). Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change" for the correct procedure.
Remove the access cover that is located behind the seat in the cab.
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Remove eight bolts (2) from cover (1) that is located on the air conditioner group.
Remove cover (1) .
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Remove the bolts and cover (3) .
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Remove two hose clamps (6) from duct (5).
Disconnect wiring harness (4) .
Remove duct (5) .
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Remove the bolts and cover (7) .
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Remove two hose clamps (8) from two hoses (9) .
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Remove three bolts (10) from plate (11) .
Disconnect harness (12) .
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Pull up on heater coil (13) in order to remove the heater coil from the air conditioner group.Installation Procedure
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Place heater coil (13) in the air conditioner case.
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Connect harness (12) .
Use three bolts (10) to install plate (11) .
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Attach two hoses (9) and two hose clamps (8) .
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Use the bolts to install cover (7) .
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Install duct (5) .
Install two hose clamps (6) in order to hold duct (5) in place.
Connect wiring harness (4) .
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Use the bolts to install cover (3) .
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Use eight bolts (2) to install cover (1) .
Replace the access cover behind the seat in the cab.
Fill the cooling system with clean coolant. The capacity of the cooling system is 50 L (13.2 US gal). Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change" for the correct procedure.