TM-9-2320-361-24-2 Field Maintenance Manual Volume 2 for M44A2 Series Trucks
Page 72 of 1144
TM 9-2320-361-24-2 0204 00 0204 00-2 FRONT BUMPER REPLACEMENT (Contd) WARNING Front bumper is heavy. An assistant is required during removal and installation to prevent injury to personnel. REMOVAL NOTE • Perform step 1 for vehicles without winch. • Assistant is required to support bumper. 1. Remove six locknuts (5) and screws (7) from bottom of bumper (2) and frame (4). Discard locknuts (5). NOTE Perform step 2 for vehicles with winch. 2. Remove four locknuts (5), screws (7), and two lower plates (8) from frame (4). Discard locknuts (5). 3. Remove bumper (2), two plates (3) and two plates (8) from frame (4). NOTE Prior to removal, mark plates for installation. 4. Remove twelve locknuts (6), screws (1), and two upper plates (3) from bumper (2). Discard locknuts (6). 5. Remove twelve locknuts (9), screws (10), and two lower plates (8) from bumper (2). Discard locknuts (9). INSTALLATION 1. Install two upper plates (3) on bumper (2) with twelve screws (1) and new locknuts (6). 2. Install two lower plates (8) on bumper (2) with twelve screws (10) and new locknuts (9). NOTE • Assistant is required to support bumper. • Perform step 3 for vehicles without winch. 3. Install bumper (2), two plates (3), and two plates (8) on frame (4) with six screws (7) and new locknuts (5). Do not tighten screws (7). NOTE Perform step 4 for vehicles with winch. 4. Install bumper (2) and two plates (3), and (8) on frame (4) with four screws (7) and new locknuts (5). Do not tighten screws (7). 5. Install brackets and shackles on bumper (2) and frame (4) (WP 0197 00 and WP 0198 00). 6. Tighten six screws (7) and locknuts (5). 7. Install front lifting brackets and shackles (WP 0197 00 for vehicles without winch) (WP 0198 00 for vehicles with winch). 8. Connect battery ground cable (WP 0126 00). 9. Release parking brake and remove wheel chocks (TM 9-2320-361-10).