BOLT-TRACK MASTER 7T0999 - Caterpillar

Removal Procedure
Start By:
Remove the V-Belts. Refer to Disassembly and Assembly, "V-Belts - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01255707
Use a suitable tool in order to prevent the crankshaft from rotating. Remove bolts (1).
Remove thrust block (2).
Carefully remove crankshaft pulley (3) from the crankshaft. Installation Procedure
Illustration 2 g01255707
Ensure that the crankshaft pulley and the thrust block are clean and free from damage. Replace any components that are damaged. It is possible to reclaim a crankshaft pulley with a worn seal surface by installing a wear sleeve. Refer to Disassembly and Assembly, "Crankshaft Wear Sleeve (Front) - Remove and Install".
Ensure that the front of the crankshaft is clean and free from damage. Install crankshaft pulley (3) to the crankshaft.
Illustration 3 g01390496
Align the holes in thrust block (2) with the holes in the crankshaft. Note: Ensure chamfered holes (X) in thrust block (2). Face toward the front of the engine.
Install thrust block (2) to the assembly of the crankshaft pulley.
Install bolts (1) to thrust block (2).
Use a suitable tool in order to prevent the crankshaft from rotating. Tighten the bolts evenly to a torque of 115 N m (85 lb ft).
Repeat Step 6 one more times in order to ensure correct torque. End By:
Install the V-Belts. Refer to Disassembly and Assembly, "V-Belts - Remove and Install".