TM 9-2320-209-34-2-2 e. Inspection and Repair. FRAME 1 1. Seal all openings in water tank body holding compartment (1). Put air pres- sure of three pounds per square inch on inside of tank body. 2. Spread soapy water on outside of water tank body (2). Bubbles will show leak points. Mark leak points, if any, for repair. 3. Do steps 1 and 2 again for other water tank body holding compartment (3). GO TO FRAME 2 17-350