TM 9-2320-361-34 I 15-51. PIPELINE CONSTRUCTION BODY MAINTENANCE (Contd) e. Subframe Installation 1. 2. 3. 4. 5. 6. 7. Position two fillers (8) on frame (9). WARNING Toolbox is heavy. Support toolbox during installation. Failure to do so may result in injury to personnel. NOTE Perform step 2 if installing new subframe. Position toolbox (20) on frame (9) and two fillers (8). Attach chains and lifting device to subframe (4). WARNING ● All personnel must stand clear during lifting operations. A swinging or shifting load may cause injury to personnel. ● Toolbox and subframe are heavy. Ensure lifting device has lifting capacity greater than the weight of the toolbox and subframe. Failure to do so may result in injury to personnel or damage to equipment. Position subframe (4) on frame (9) and aline two subframe brackets (5) and bracket (18) with two frame brackets (15) and bracket (14). NOTE Perform step 5 if installing new subframe. Install toolbox (20) on subframe (4) and two brackets (2) with six screws (1) and new locknuts (19). Install two subframe brackets (18) and subframe brackets (5) on two frame brackets (14) and frame brackets (15) with eight screws (3), four washers (10), four washers (13), new locknuts (11), and new locknuts (12). Tighten four locknuts (11) 65-85 lb-ft (88-115 N.m). Tighten four locknuts (12) 125-165 lb-ft (170-224 N.m). Install four screws (17), two screws (16), and six locknuts (7) on two plates (6) and frame (9). 15-222