TM 9-2320-209- 34-2-3 FRAME 2 Soldier A 1. Turn heater switch (1) to OFF position. Burning should stop within a few seconds. Blower will continue to run for 2 or 3 minutes. If heater does not work properly, refer to para 21-13 for repair. Soldier B 2. Turn shut-off cock (2) to OFF position. END OF TASK 21-106