HOSE AS 1833072 - Caterpillar

Start By:a. remove muffler and air cleaner assemblyb. remove radiator assembly Mark all wires for location and identification purposes prior to disconnecting. 1. Disconnect the three wires to starter solenoid (1).2. Remove one nut and washer (2), and disconnect two ground wires (3). 3. Disconnect two electrical connectors (4). 4. Remove two electrical connectors (5) from the support clips, and disconnect them. 5. Disconnect two hydraulic oil lines (6) from cooling pump (7).6. Disconnect cold starting aid tube (8).7. Remove electrical connector (9) from the support clip, and disconnect it. 8. Disconnect and cap two fuel lines (11).9. Remove the bolt holding fuel line support clip (12).
Always wear goggles when the air conditioning system is opened. This system is charged with Freon-12 (CCL2F2-Dichlorodifluoromethane) which is not toxic or flammable. But, there is a reason for caution. When Freon-12 makes contact with a flame, lethal PHOSGENE gas is made. INHALING FREON THROUGH A LIGHTED CIGARETTE CAN CAUSE VIOLENT ILLNESS. This system is under pressure at all times, engine running or not. HEAT MUST NEVER BE PUT ON A CHARGED SYSTEM. See Air Conditioning And Heating Service Manual, Form No. SENR3334, for more information on procedures and safety requirements on removal and installation of lines and refrigerant from the system.
The refrigerant compressor can either be removed from the engine or set aside. To avoid purging and recharging the air conditioning system, remove the bolts from the support clips for lines (10) and the bolts and belt from the refrigerant compressor and set it aside. If removal of the refrigerant compressor is preferred, see the topic "Remove And Install The Refrigerant Compressor" in this module.10. Purge the air conditioning system. See the topic "Purging The System" in the Air Conditioning And Heating Service Manual, Form No. SENR3334 for the correct procedure.11. Disconnect two refrigerant lines (10). 12. Disconnect heater hose (13).13. Remove exhaust shield (14). 14. Disconnect two lines (15) from transmission oil cooler (16). 15. Disconnect the three wire retaining clips and wire (17) from alternator (18).16. Disconnect heater hose (19). 17. Remove four bolts and washers (20) connecting