RELAY (SEM) 5276228 - Caterpillar

Illustration 1 g01154512
Install upper main bearings (8) . The bearing tabs for the upper main bearings must be located in the correct position in the cylinder block. Lubricate upper main bearings (8) with clean engine oil.
Clean the upper half of the thrust washers and lubricate the upper half of thrust washers. Place the upper half of the thrust washer in both sides in the recess in the cylinder block of the center main bearing. The grooves on the thrust washer must be located against the crankshaft.
Ensure that the main bearing journals and the connecting rod bearing journals of the crankshaft are clean. Attach lifting straps and a suitable lifting device in order to position the crankshaft in the cylinder block. The weight of the crankshaft is approximately 32 kg (70 lb). Do not scratch any of the finished surfaces on the crankshaft.
Illustration 2 g01154515
Clean the lower main bearings. Install the lower main bearings (9) in the main bearing caps (4) with the bearing tabs in the correct position. Lubricate the lower main bearing caps with clean engine oil.
Ensure that the locating dowels (10) for the main bearing caps (4) are in the correct position in the main bearing caps or in the cylinder block.
Illustration 3 g01154511
Clean the lower half of the thrust washers (7) and lubricate the lower half of thrust washers . Place the lower half of the thrust washers (7) in both sides of the center main bearing cap (4) . The grooves on the thrust washer must be located against the crankshaft.
Illustration 4 g00975374
Install the main bearing caps (4) in the position that was marked during the removal process. All of the bearing tabs for the main bearings should be on the same side. Install the main bearing cap bolts (3) . Tighten the bolts to a torque of 245 20 N m (180 14 lb ft).
Ensure that the upper connecting rod bearings are centered in the connecting rod. Install the lower connecting rod bearings in the connecting rod cap. Lubricate the bearing faces with clean engine oil.Note: Do not reuse the old setscrews (5) in order to secure the connecting rod cap (6) .Note: Ensure that the etched number on the connecting rod bearing cap matches the etched number on the connecting rod . Ensure that the etched numbers are on the same side.
Install the connecting rod caps (6) . Install new setscrews (5) in the connecting rod. Tighten the setscrews evenly to a torque of 18 N m (13 lb ft).
Tighten the setscrews evenly to a torque of 70 N m (52 lb ft).
Use Tooling (C) to achieve the correct final torque.Note: If Tooling (C) is not used, place an index mark on each bolt.
Turn the setscrews for an additional 120 degrees.
Rotate the crankshaft in order to ensure that there is no binding.
Illustration 5 g00975426
Illustration 6 g00541498
Clean the bridge and the face of the cylinder block. Apply a thin bead of Tooling (A) on the corners of the seat for the bridge. Also apply Tooling (A) around