TM 9-2320-209-34-2-3 21-10. VAN BODY PERSONNEL HEATER INSTALLATION. Install the van body personnel heater using the instructions that come with the kit. 21-11. VAN BODY PERSONNEL HEATER TEST. Refer to Fuel Burning Personnel Heater Test, para 21-8 for procedure to test van body personnel heater. 21-12. VAN BODY PERSONNEL HEATER OPERATING TEST (TRUCKS M109A2, M109A3, M185A2, AND M185A3). TOOLS: No special tools required SUPPLIES: None PERSONNEL: Two EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. WARNING Dripping fuel is highly flammable. Do not allow smoking, sparks or open flame within 50 feet of work area during this test. 21-102