TM 10-3930-664-24 3. Remove fork positioners (10) from carriage weldment (11) by removing screws (12, 14) and washers (13). B. CLEANING Clean  carriage assembly components in accordance with paragraph 1-24. C. INSPECTION 1. Inspect carriage assembly components in accordance with paragraph 1-24. 2. Inspect wear pads and shims for uneven or excessive wear.  Replace pads if worn. D. REPAIR Repair of the carriage assembly consists of removal and replacement of  defective, deformed, or damaged components and worn pads. E. ASSEMBLY 1. Apply loctite to threads of screws (12, 14).  Install fork positioners (10) onto carriage weldment (11) using screws and washers (13). 2. Install wear pad (6) and shim (7) onto upper carriage retainer (9) by pushing wear pad onto heads of screws (8). 3. Install wear pad (1) and shim (2) onto upper carriage retainer  (9) using  screws  (3),  washers (4), and nuts (5). FOLLOW-ON MAINTENANCE: Install carriage assembly (para.  3-65) END OF TASK 4-107