Refrigerant Hose Connections Important: See Section 6 - Refrigerant Hose and Fittings Standards in the Thermo King Vehicle Powered Truck Installation Standards and Procedures Guide (TK 56430). THESE PROCEDURES MUST BE FOLLOWED! Figure 5. Hose Connections Shown TK 56881-18-IM-EN 17 1. O-Ring (#4, o-ring seal) 8. Fitting, straight (female o-ring seal, #6 fitting to #8 hose) 2. Fitting, straight (female o-ring seal, #4 fitting to #4 hose) 9. O-Ring (#10, o-ring seal) 3. O-Ring (#6, o-ring seal) 10. Fitting, 90 degree (female o-ring seal, #10 fitting to #10 hose) 4. Fitting, 90 degree (female o-ring seal, #6 fitting to #6 hose) 11. Hose, liquid line (#4, 50 ft) 5. O-Ring (#8, o-ring seal) 12.
Hose, defrost line (#6, 50 ft) 6. Fitting, 90 degree (female o-ring seal, #8 fitting to #10 hose) 13. Hose, suction line (#10, 50 ft) 7. Fitting, 90 degree (straight, #6 fitting to #4 hose)