TM 9-2320-209-20-3-4 23-18. HOT WATER PERSONNEL HEATER HOSES AND CLAMPS REMOVAL AND RE- PLACEMENT. TOOLS: Flat-tip screwdriver 1-gallon container SUPPLIES: None PERSONNEL: One EQUIPMENT CONDITION: Truck parked, engine off and cool, handbrake set. a. Preliminary Procedure. Open hood and left side panel. Refer to TM 9-2320-209-10. b. Removal. FRAME 1 1. Close return shutoff cock (1) and inlet shutoff cock (2) by turning them to the right. 2. Using screwdriver, loosen two hose clamps (3). NOTE Note position of hoses (4 and 5) so that they are put back in the same place. 3. One at a time, take off ends of return hose (4) and inlet hose (5) and catch coolant in container. GO TO FRAME 2 23-50