2013/05/24 Caterpillar

Integrated Toolcarrier:

IT14G (S/N: FWL1-UP; KZN1-UP)

Mini Hydraulic Excavator:

302.5C (S/N: GBB1-UP)

Compact Track Loader:

259B3 (S/N: YYZ1-UP)

289C (S/N: JMP1-UP)

289C2 (S/N: RTD1-UP)

299C (S/N: JSP1-UP; NMP1-UP)

299D (S/N: GTC1-UP; HCL1-UP)

299D XHP (S/N: NLC1-UP; JST1-UP)

Multi Terrain Loader:

287C (S/N: MAS1-UP)

247B3 (S/N: ESL1-UP; TSL1-UP; KB31-UP)

257B3 (S/N: B7H1-UP)

287C2 (S/N: SSB1-UP)

297C (S/N: GCP1-UP)

Skid Steer Loader:

226B3 (S/N: SNA1-UP; MWD1-UP; AS21-UP)

236B3 (S/N: A9H1-UP)

242B3 (S/N: SRS1-UP)

246C (S/N: JAY1-UP)

252B3 (S/N: TNK1-UP)

256C (S/N: DWS1-UP)

262C2 (S/N: TMW1-UP)

262D (S/N: DTB1-UP)

272C (S/N: RED1-UP)

272D (S/N: GSL1-UP; B5W1-UP)

Compact Wheel Loader:

906H2 (S/N: JRF1-UP)

907H2 (S/N: JRS1-UP)

908H2 (S/N: JRD1-UP)

914G (S/N: PDF1-UP)

914G2 (S/N: KNP1-UP)

IT14G2 (S/N: ERP1-UP)

ReferenceRefer to the Service Manual, SENR5664, "All Products Air Conditioning and Heating R134a for All Caterpillar Machines " for the Specifications, System Operation, Troubleshooting, Test and Adjust, and Disassembly and Assembly of the refrigeration system.

Illustration 1	g03377574
The 170-0075 Air Conditioner Gp .

The 7X-2049 Refrigerant Orifice Tube should be replaced when replacing the 186-6190 Refrigerant Accumulator Gp or the 271-7421 Refrigerant Dryer. The Orifice Tube is located in the inlet tube of the evaporator coil. Refer to illustration 1.