A New Manufacturing Process Has Been Implemented to Improve the HVAC Assembly Process on Certain 950 GC Medium Wheel Loaders {1802, 1805, 1808, 7320, 7322} Caterpillar


A New Manufacturing Process Has Been Implemented to Improve the HVAC Assembly Process on Certain 950 GC Medium Wheel Loaders {1802, 1805, 1808, 7320, 7322}

Usage:

950 GC M5K
Wheel Loader
950 GC (S/N: M5K1-950)

A new manufacturing procedure is being use for the HVAC systems on certain 950GC Medium Wheel Loaders. The new procedure will improve the service life of the HVAC system.

Rework Procedure

Table 1
Required Parts 
Qty    Part Number  Part Name 
(1)  464-9988  Refrigerant Compressor Gp 
(2)  450-6492  Refrigerant Dryer 
(3)  424-2862  Hose As 
(4)  424-2866  Hose As 
(5)  387-6074  Condenser Core As 

When servicing the HVAC system, the refrigerant oil should be inspected. If the refrigerant oil is a normal color, replace only components (1) and (2) in the required parts table. If the oil appears dark or black, replace parts (1) through (5).

Refer to the section titled System Contamination and Flush in SENR5664, "Air Conditioning and Heating R134a for All Caterpillar Machines" for replacement of HVAC components.

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