TM 10-6640-238-13 4-126 4-52.    JET FUEL THERMAL OXIDATION TESTER (JFTOT). This task consists of: a. Remove b. Install c: Calibrate INITIAL SET-UP Tools Required General Mechanics Tool Kit, (Appendix B, Section III, Item 1) Personnel Required Two (2) General Safety Instructions WARNING ELECTRICAL SHOCK Before  performing  any  maintenance  actions  on  electrical  equipment,  ensure  all electrical power has been turned off.  Failure to comply with this warning may result in serious injury or death. PHYSICAL LIFTING Serious injury could occur if heavy equipment is moved/lifted without sufficient personnel to do the job.  Use proper physical lifting procedures or use a suitable lifting device or dolly.  Wear safety shoes, gloves and other suitable protective clothing. REMOVE Remove JFTOT.  See Figure 4-48. a. Unplug JFTOT power cord from wall receptacle. b. Unlatch three retaining latches (1) on both sides of JFTOT (2) from mounting frame (3). c. Slide unit out approximately two inches. d. Remove 12 cap nuts (4), nuts (5), and washers (6) that secure JFTOT foundation to countertop (7). WARNING Two people are required to remove JFTOT tester because of its weight.  Failure to comply with this warning could result in serious injury to personnel or damage to equipment. e. Remove JFTOT (2) with mounting frame (3) from countertop (7). f. Remove JFTOT (2) from mounting frame (3).