TM 10-4520-261-12&P SPACE HEATER ARCTIC (SHA) 0004 00 CONTROLS, INDICATORS, AND LABELS/INSTRUCTION PLATES 0004 00-1 GENERAL The following illustrations and tables show the location and function of each control and indicator on the SHA and its associated equipment. Table 1 describes the controls and indicators for the SHA. Table 1.  SHA Controls and Indicators KEY ITEM FUEL MODE     FUNCTION 1 FUEL FLOW CONTROL VALVE Liquid Controls fuel flow to burner. 2 FUEL SELECTOR CONTROL Liquid Sets fuel flow control for ambient temperature.   This is done by pulling up knob and rotating it to the proper temperature setting.    Contains the following settings: ABOVE 25⁰F This setting is for all authorized liquid fuels (refer to WP 0001) when used above -25⁰F   (-32⁰C) BELOW 25⁰F This setting is for all authorized liquid fuels (refer to WP 0001) when used below -25⁰F   (-32⁰C) 3 FLOW ADJUSTMENT KNOB Liquid Controls fuel flow from  float chamber to   burner. 4 FUEL ON/OFF CONTROL Liquid   Controls fuel flow from fuel supply to fuel flow control valve. 5 LID ASSEMBLY SIGHT GLASS Solid or liquid Allows viewing of flame in  burner. 6 SLIDING DRAFT GATE Solid Controls heat output by limiting amount of air flow into burner when using solid fuel only. Burner Plate is in position when using liquid fuel. 3 4 5 6 1 2