TM 9-2320-209-20-3-2 13-36. AIR COMPRESSOR GOVERNOR PRESSURE CHECK AND ADJUSTMENT. TOOLS: 1 1/16-inch wrench 13/16-inch wrench SUPPLIES: None PERSONNEL: TW O EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. a. Pressure Check. FRAME 1 1. Start engine and bring it to normal operating temperature. Refer to TM 9-2320-209-10. 2. Air pressure gage (1) reading should be l00 to 105 psi. 3. If air pressure gage (1) reading is correct, shut off engine. Refer to TM 9-2320-209-10. 4. If air pressure gage (1) is too high, stop engine. Refer to TM 9-2320-209-10. Do adjustment. Refer to para 13-36b. 5. If air pressure gage (1) reading is too low, stop engine. Refer to TM 9-2320-209-10. Do adjustment. Refer to para 13-36c. END OF TASK 13-264