TM 9-2320-361-10 2-28. OPERATION OF SHOP VAN AND INSTRUMENT REPAIR SHOP TRUCKS (Contd) (2) Remove cable connector dust cover (16). (3) Install cable connector (15) from outside 115-volt AC power source in receptacle (14). (4) When van is to be moved, remove connector (15) and install dust cover (16). c. Operating Exhaust Blower. (1) To operate from 115-volt AC source: (a) Place power switch (18) in up position. (b) Place heater circuit breaker (17) in UP position. (c) Place converter selector switch (20) in 115-volt position. Red light (19) will light. (d) Place exhaust blower switch (21) in HIGH or LOW position. (2) To operate from 24-volt DC source: (a) Place power switch ( 18) in down position. (b) Place converter selector switch (20) in 24-volt position. (c) Place exhaust blower switch (21) in HIGH or LOW position. 2-133