SUPPORT AS 4445331 - Caterpillar

Image1.25.1
25. Radiator/CAC Re-assembly: Place side frames to lower frame. Install mounting bracket bolts (23). 6 total ? 3 each side. Tighten to a torque of 38 +/- 2 N-m.
Image1.26.1
26. Radiator/CAC Re-assembly: Assemble upper frame to side frames. Insert mounting bracket bolts (24). Quantity 6 total ? 3 each side. Tighten bolts to a torque of 38 +/- 2 N-m.
Image1.27.1
27. Radiator/CAC Re-assembly: Install center brace and bolts (qty 2 each end). Tighten bolts to a torque of 38 +/- 2 N-m.
Image1.28.1
28. Radiator/CAC Re-assembly: Assemble shroud to frame. Insert previously removed M10 shroud bolts (quantity 6 each side). Tighten to a torque of 55 +/- 10 N-m.
Image1.29.1
29. Radiator/CAC Re-assembly: Assemble upper vibration isolators. Inspect original rubber vibration mounts and washers for damage. If not damaged, reuse. Place short half of rubber vibration mount and nylon washer behind mounting brackets (4 locations). Orient the small mount half with the outside diameter chamfer oriented away from the nylon washer.
Image1.30.1
30. Radiator/CAC Re-assembly: Assemble upper vibration isolators. Install new Nylon Washer if damaged, install longer mount,and snubber washer over bolt as shown. Install assembly into CAC making sure nylon washer shoulder fits into mounting slot. Tighten to a torque of 48 +/- 7 N-m.
Image1.31.1
31. Radiator/CAC Re-assembly: Assemble CAC to genset (refer to previous disassembly steps and torque values). Approximate weight of the charge air cooler is 600 lbs. Remove CAC inlet/outlet debris covers. Re-connect CAC assembly to crane. Place CAC to genset frame and align mounting holes. Verify fan tip to shroud clearance is at least 1/4" in all locations before final re-assembly. Install CAC to frame M10 bolts (quantity 4 ? 2 each side) and tighten to a torque of to 55 +/- 10 N-m. Install 3/8 ? 16 bolts for support bracket (quantity 4 - 2 each side) and tighten to a torque of 47 +/- 9 N-m. Re-connect hoses at oil cooler and tighten to a torque of 40 +/- 3 N-m. Re-connect all hoses/lines/brackets (upper and lower) at the charge air cooler interface and re-tighten. Tighten CAC tube bracket M10 bolts to a torque of 55 +/- 10 N-m. Torque CAC tube clamps to 15 +/- 1 N-m. Using M10 bolts, install fan guard halves to shroud and torque to 55 +/- 10 N-m. Install 3/8 ? 16 bolts connecting guard halves (4 bolts - 2 each side) and tighten to a torque of 47 +/- 9 N-m. Verify fan to shroud and guard clearance and install fan guard.
32. Radiator/CAC Re-assembly: Assemble radiator to CAC (26). Make sure all spacers from previous reworks are installed. Re-connect radiator to crane. Approximate weight of the radiator is 600 lbs. Place radiator to genset frame. Install radiator to CAC bolts with nuts (14 total M10 bolts - 7 bolts each side). Re-torque value is 55 +/- 10 N-m.
Image1.33.1
33. Radiator/CAC Re-assembly: Install radiator to frame M10 bolts (27). Quantity 4 ? 2 each side. Re-tighten to a torque of 55 +/- 10 N-m.
Image1.34.1
34. Radiator/CAC Re-assembly: Refill radiator and test unit.