TM  10-3930-638-24&P 2-56.   HYDRAULIC   LIFT   SYSTEM   MAINTENANCE   (cont) e. Sideshift Chains and Pulleys (cont). Chain pulleys (7 and Inspect 11) STEP LOCATION ITEM ACTION REMARKS INSPECTION 4 Replace complete assembly if pulley cracked, bent, or damaged. Replace bearing if rolling action is rough or race is chipped or damaged ‘or if inside diameter is 0.79 inch or more (use bore gage to measure). Press bearing out of pulley hub using 2-7/32 inch diameter sleeve. Press new bearing into hub until centered in hub using same sleeve 5 Sideshift  chains  (3  and  5) Inspect Replace chains if any link is broken or cracked. Replace chain bolt if threads damaged; replace pin if bent or cracked. See  illustration  for  replacement  of  these parts 6 All other parts Inspect Replace  if  cracked,  bent  or  threads damaged INSTALLATION/REPLACEMENT 7 Sideshift a. Two spacers (12) and Position as assembly eight  washers  (13) shown b. Two chain pulleys ( 11 ) Position c. Two cap screws (10), Install lock washers (9), and nuts (8) d. Two chain pulleys (7) Position on pulley  sup- ports e. Two retaining rings (6) Install Be sure rings are seated in groove 2-414