TM  10-3930-638-24&P 2-42. PARKING BRAKE MAINTENANCE (cont) b. Parking Brake Assembly. This task covers: a.  Inspection b.  Removal c.  Cleaning INITIAL   SETUP TOOLS No. 1 Common Organiza- tional  Maintenance  Tool  Kit Hand Vacuum Cleaner Hard Wooden Blocks (2), 6 by 6 by 18 inches MATERIALS/PARTS Cleaning  solvent  P-D-680 Clean cloths Seal d. e. f. Inspection  (after  removal) Repair Installation/Replacement EQUIPMENT   CONDITION NSN  4910-00-754-0654 Paragraph Condition Description Engine  off. Vehicle  parked  on  level  surface  with wheels blocked. Transmission   DIRECTION   SELECTOR lever  in  neutral  (N)  position. 2-42a Parking  brake  linkage  disconnected from parking brake lever cam. 2-39b Center  drive  shaft  assembly  removed. Brake lining and rivet kit (FSCM  12603  P/N  801214) NOTE To perform inspection procedure, it is not necessary to discon- nect parking brake linkage or remove center drive shaft assembly, STEP LOCATION ITEM ACTION REMARKS INSPECTION 1 Transmission, a. Six cap screws (1) and Remove Support brake drum (3) rear lock washers (2) b. Brake drum (3) Move out of Over center drive shaft position c. Shoe and lining (9) Inspect Replace if less than 1/8 inch thick in any  area d. Brake drum (3) Inspect Replace if cracked or scored NOTE If shoe and lining, or brake drum require replacement, remove center drive shaft (para 2-39b) and disconnect linkage from parking brake lever cam (para 2-42a). Proceed to step 2C below. If shoe and lining and brake drum are okay, proceed to step 1e below. e. Brake drum (3) Position On brake flange f. Six lock washers (2) Install Tighten to 41-49 pounds foot torque and cap screws (1) 2-276