TM 9-2320-361-20 11-32. PIONEER TOOL BRACKET KIT REPLACEMENT (Contd) NOTE Perform steps 3 through 5 for M50A2 vehicles. 3. Install two supports (2) on bracket (3) with four screws (4) and new locknuts (5). Do not tighten locknuts (5). 4. Install bracket (3) with supports (2) on crossmember (7) with four screws (1) and new locknuts (6). 5. Tighten locknuts (5). 11-62