HARNESS ASSEMBLY-ENGINE 2429534 - Caterpillar

Illustration 1. Schematic view of air conditioning freon hose routing. The small arrows indicate direction of flow. (A) Condenser. (B) To operator compartment air conditioning system. (C) Compressor. (D) Receiver. (1) New 9U4716 Tube Assembly. (2) New 9U4717 Tube Assembly. (3) 4E3951 Tube Assembly (shown for reference only). Before performing the following procedure, consult and practice all local environmental regulations concerning the use and disposal of freon.
Inhaling freon gas through a lit cigarette or other smoking method, or inhaling fumes released from a flame contacting freon, could cause bodily harm or death. Do NOT smoke when servicing air conditioners or wherever freon gas may be present.
Procedure To Install New 9U4716 And 9U4717 Tube Assemblies
1. Park the machine on a level surface, engage the parking brake, and discharge the air conditioning system of freon.2. Remove the former fabricated hose assembly and install a new 9U4716 Tube Assembly (1). Connect the lower end of the new tube assembly to the compressor port as shown in Illustration 2.3. Remove the former fabricated hose assembly and install a new 9U4717 Tube Assembly (2). Secure the new tube assemblies in place with two 3S8665 Clips (4).
Illustration 2. Rear view of machine. Typical location of the new tube assemblies. (1) 9U4716 Tube Assembly. (2) 9U4717 Tube Assembly. (4) 3S8665 Clips.4. Recharge the air conditioning system with the recommended freon charge. Test the system for leaks and adequate cooling.