TM 9-2320-209-34-2-3 b. Secondary Van Body Personnel Heater. (1) 24-volt test. (a) Bleeding fuel line. FRAME 1 I Soldiers 1. A and B Soldier A 2. Solder B 3. 4. 5. 6. 7. GO TO FRAME Open van doors and mount access ladder. Refer to TM 9-2320-209-10. Turn shut-off cock (1) to ON position. Tell Turn power converter selector switch (2) to Loosen line connector (3). Turn heater switch (4) to START position. Turn heater switch (4) to OFF position when from fuel line (5) . Tighten line connector (3) . 2 soldier B when ready. 24-volt position. fuel starts to drip 21-111