TM  10-3930-638-24&P 2-31. SENDING UNITS AND SWITCHES MAINTENANCE (cont) a. Fuel Gage Sending Unit (cont). STEP LOCATION ITEM ACTION REMARKS REMOVAL 1 Engine  compart- a. Nut (1), lock washer Remove From sending unit terminal ment rear left side (2) and harness of  vehicle lead (3) b. Five cap screws (4) and Remove lock washers, (5) c. Plate (6) and sending Lift and remove From  fuel  tank unit (12) d.  Gasket  (7) Remove  and discard e. Five screws (8), Remove washers (9), and lock nuts  (10)  and  ground strap (11) f.  Plate  (6)  and  sending Separate unit (12) g.  Gasket  (13) Remove  and discard CLEANING WARNING Dry cleaning solvent (P-D-680), used to clean parts is toxic and flammable. Wear protective goggles and gloves and use only in a well  ventilated  area.  Avoid  contact  with  skin,  eyes,  and  clothes and don’t breathe vapors. Do not use near open flame or excessive heat and don’t smoke when using it. Failure to do so could cause serious injury. If you become dizzy while using cleaning  solvent,  get  fresh  air  immediately,  and  get  medical attention. If contact with skin or clothes is made, flush with large amounts of water. If contact with eyes is made, wash eyes with water  immediately,  and  obtain  medical  aid  immediately. WARNING Wear safety glasses when drying parts with compressed air. Failure to do so could cause serious injury to eyes and possible blindness. If you hurt your eyes or if a foreign object is blown into your  eyes,  seek  medical  attention  immediately. 2 Plate (6) and all hardware Clean Use  cleaning  solvent  P-D-680. Dry  parts  thoroughly  with  compressed  air 3 Wire connectors and Clean Use cleaning solvent P-D-680 on terminals connectors  and  terminals  only 2-158