TM 10-3930-659-20 17-13.    CONVEYORIZED FORK ATTACHMENTS MAINTENANCE (Con't). 2 Remove  four  retaining  rings  (9),  two  pins  (17), four  bearing  units  (11),  and  eight  spacers  (10) from conveyor tip (5). 3. Remove   two   screws   (16),   lockwashers   (15), washers (14), mounting plate (13), and bumper (12) from conveyor tip (5). Discard lockwashers. 4. Remove two retaining rings (21), pins (18), bearing units (20), and four spacers (19) from conveyor frame (7). NOTE Perform step 5 to remove each of 20 bearing units. 5. Remove retaining ring (25), pin (22), bearing unit (24), and two spacers (23) from conveyor frame (7). c. CLEANING AND INSPECTION WARNING Dry  cleaning  solvent,  P-D-680,  Is  toxic  and  flammable.    Always wear   protective   goggles   and   gloves,   and   use   only   In   a   well- ventilated area.  Avoid contact with skin, eyes, and clothes, and DO NOT  breathe  vapors.    DO  NOT  use  near  open  flame  or  excessive heat.  The solvent's flash point is 100°F-138°F (38°C-590C).  If you become dizzy while using cleaning solvent, Immediately get fresh air  and  medical  help.  If  solvent  contacts  eyes,  Immediately  wash your eyes and get medical aid. 1. Clean parts with dry cleaning solvent and dry with clean rags. 2. Inspect parts for cracks, wear, and damage.  Replace cracked, worn, or damaged parts. TA707647 17-48

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