TM 9-2320-209-34-2-3 FRAME 2 Soldier A 1. Loosen line connector (1). Tell soldier B when ready. Soldier B 2. Turn heater switch (2) to START position. Soldier A 3. Tell soldier B when fuel starts to drip from fuel line (3). Soldier B 4. Turn heater switch (2) to OFF position. Soldier A 5. Tighten line connector (1). If fuel does not drip from fuel line, refer to para 21-13 for repair. END OF TASK 21-112