TM   10-3930-638-24&P 2-31. SENDING UNITS AND SWITCHES MAINTENANCE (cont) c.  Engine  and  Transmission  Temperature  Switches. This task  covers:  a.  Removal d.  Testing b.  Cleaning e.    Installation/Replacement c.   Inspection INITIAL SETUP TOOLS EQUIPMENT   CONDITION No.  1  Common  Organiza- NSN  4910-00-754-0654 Paragraph Condition   Description tional  Maintenance  Tool  Kit MATERIALS/PARTS Cleaning solvent P-D-680 2-53c Clean cloths Silicone rubber sealer 2-53c 2-27b Engine off. IGNITION switch in OFF position and key  removed. Left  side  panel  removed  (engine temperature   switch). Right  side  panel  removed  (transmission temperature switch). Starter  relay  removed  (for  engine temperature switch removal). 2-162