(4) Flame detector switch. FRAME 1 TM 9-2320-209-34-2-3 WARNING Dry cleaning solvent is flammable. Do not use near an open flame. Keep a fire extinguisher nearby when sol- vent is used. Use only in well-ventilated places. Fail- ure to do this may result in injury to personnel and damage to equipment. 1. Wipe flame detector switch (1) with cloth dipped in dry cleaning solvent. Do not dip switch into solvent because it may be damaged. Wipe flame detector switch dry. 2. Unscrew and take out adjusting screw and washer (2). Loosen two screws (3). 3. Flip up microswitch (4) and take off bar spring (5). CAUTION Do not let quartz rod (6) fall out of flame detector switch. Do not drop quartz rod. Doing so may break or chip quartz rod. 4. Turn flame detector switch (1) over and let quartz rod (6) slide out of tube (7). Tap bottom of tube (7) to get out any broken pieces of quartz rod. GO TO FRAME 2 21-35