TM 9-2320-361-34 15-52. PIPELINE CONSTRUCTION TOOLBOX REPLACEMENT (Contd) b. Installation WARNING 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. ● All personnel must stand clear during lifting operations. A swinging or shifting load may cause injury to personnel. ● Toolbox is heavy. Support toolbox during installation. Failure to do so may result in injury to personnel. CAUTION Do not lift subframe 0.5 in. (1.27 cm) above frame. Damage to equipment may result. NOTE Assistant will help with lifting operations. Attach chains to subframe (3) and lifting device. Raise subframe (3) from frame (11) 0.5 in. (1.27 cm) maximum. CAUTION Use care when installing toolbox on frame and sills. Damage to equipment may result. Position toolbox (15) on frame (11) and lower subframe (3) onto frame (11). Install toolbox (15) on subframe (3) with six screws (1) and new locknuts (14). Remove two locknuts (6) from two screws (5). Discard locknuts (6). Ensure subframe (3) is correctly positioned on frame (11). Install four screws (2), washers (9), and new locknuts (12) on two brackets (13). Tighten lock- nuts (12) 65-85 lb-ft (88-115 N.m). Install four screws (2), washers (9), and new locknuts (10) on four brackets (8). Tighten lock- nuts (10) 125-165 lb-ft (170-224 N.m). Install four screws (2) and new locknuts (7) on two plates (4). Install two new locknuts (6) on two screws (5). Remove chains and lifting device from subframe (3). 15-226