TM   10-3930-643-20 ELECTRICAL  SYSTEM  TROUBLESHOOTING  AND  MAINTENANCE.  (cont) 5-40. Oil   Pressure   Sending   Unit.   (Sheet   1   of   5) This   task   covers: a  .       R  e  m  o  v  a l b . Cleaning/Inspection c .     I n s t a l l a t i on d . Testing INITIAL SETUP Tools Shop   Equipment,   Automotive Maintenance   and   Repair: Organizational    Maintenance, Common  No.  2,  Less  Power NSN   4910-00-754-0650 Tool  Kit,  General  Mechanic’s Automotive NSN   5180-00-177-7033 Materials/Parts Cleaning   solvent   P-D-680 (App.   C,   Item   2) Clean   cloth   (App.   C,   Item   10) Small  tag  (App.  C,  Item  12) Silicone   sealant   (App.   C,   Item   11) Torques Except   for   special   torques   shown, all   fasteners   are   tightened   to   a standard   torque. Refer   to Appendix  E. EQUIPMENT  CONDITION References Condition   Description Paragraph   5-41 Oil   pressure   switch   removed. Paragraph   5-47 Battery   negative   disconnected. Go  to  sheet  2 5-198