TM 10-3930-659-20 16-13.    INSIDE CAB HEATER HOSES AND HEATER CONTROL VALVE REPLACEMENT (Con't). 3. Remove screw (6) and clamp (7) from two hoses (3 and 4). 4. Loosen screw (13) and clamp (12). 5. Remove cable (14) from pin (9) and move cable out of way. 6. Loosen two clamps (8) and remove hoses (3 and 11) from heater control valve (10). TA707004 16-44