TM  10-3930-638-24&P 4-4.   TRANSMISSION   MAINTENANCE   (cont) b. Converter Housing (cont). STEP LOCATION ITEM ACTION REMARKS DISASSEMBLY  (cont) b. Transmission temper- Remove (cont) ature switch (20) c. Plug (21) Remove d. Stud (22 and 23) Remove Remove only if damaged and replacement is required. NOTE Perform steps e, f and g only if parts are damaged and require replacement. e. Idler gear shaft (24) Remove Tap at front and remove from rear and  lockball  (25) f. Reverse idler gear Remove Pry from converter housing shaft  (26) g. Pin (27) Remove 7 Converter a. Pipe plug (28, 29, Remove housing and  30) b.  Breather(31) Remove CLEANING WARNING Dry cleaning solvent (P-D-680), used to clean parta is toxic and flammable. Wear protective goggles and gloves and use only in a well ventilated area. Avoid contact with skin, eves, and clothes and don’t breathe vapors. Do not use near open flame or exces- sive 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 immedi- ately, and obtain medical aid immediately. WARNING Wear  safety  glasses  when  drying  parts  with  compressed  air.  Fail. ure to do so could cause serious injury to eyes and possible blind- ness. If you hurt your eyes or if a foreign object is blown into your eyes, seek medical attention immediately. 4-156 Change 1