TM  10-3930-638-24&P 2-39.   AXLES   AND   DRIVE   SHAFT   ASSEMBLIES   MAINTENANCE   (cont) a. Front Drive Shaft Assembly and Support Bearing (cont). STEP LOCATION ITEM ACTION REMARKS 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 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 immed- iately,  and  obtain  medical  aid  immediately. 7 Drive shaft support bearing Clean Use  clean  cloth  moistened  with  cleaning (9) and universal joint (17) solvent  P-D-680 8 INSPECTION 9 10 11 REASSEMBLY/REPAIR 12 Front drive shaft assembly 13 Yoke (4) All  other  parts Drive  shaft  support  bear- ing (9), universal joint  (17) Drive shaft (12) All  other  parts a. Universal joint (17) b. Four cap screws(16) and nuts (15) c. Lubrication fitting (14) Lubrication fitting (13) Clean Use  cleaning  solvent  P-D-680 Inspect Replace  if  cracked,  threads  damaged,  or otherwise  damaged Inspect Replace if cracked, bent, or twisted Inspect Replace if cracked, bent, or threads damaged Position Install Install Install 2-236