TM 10-3930-638-24&P 2-56.   HYDRAULIC   LIFT   SYSTEM   MAINTENANCE   (cont) d. Lift Chains and Pulleys (cont). STEP LOCATION ITEM ACTION REMARKS REMOVAL  (cont) 3 Carriage  bearing a. Two lift chain nuts Remove plate, top (20) b. Two lift chains (21) Remove 2-406 CHANGE 2