ENGINE AR-PRIM 5268888 - Caterpillar

Illustration 1 g03658536 (1) Crankshaft pulley (2) Pulley (3) Damper assembly (4) Spacer Note: Install spacer (4) between damper assembly (3) and the head of bolts (5). (5) Apply Loctite 8009 to the bolt threads prior to assembly. Note: The dash marks on the front of the damper assembly must be in alignment with each other. A new damper assembly will be needed if the dash marks are not in alignment.Maximum permissible face run-out of the damper assembly ... 0.00 to 2.03 mm (0.000 to 0.080 inch)
Thoroughly inspect the viscous damper for signs of leakage or for signs of a dented (damaged) case. Either of these conditions can cause the weight to contact the case, which can affect the viscous damper operation.