CORE AS-OCLR 4186241 - Caterpillar

Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Clean the old gasket from the contact surfaces of the front plate and the cylinder block. Install a new gasket on the cylinder block. Cut the gasket even with the bottom face of the cylinder block.
Illustration 1 g01952881
The bolts that hold the timing gear plate in position on the cylinder block should have a reduced bolt head thickness. The reduced bolt head thickness is needed for clearance for the gears.
Install the gasket, front plate (4), and bolts (3).
Illustration 2 g01953041
Install the timing wheel and the bolts on camshaft gear (1), if necessary. Align Mark (B) on idler gear (5) with Mark (B) on the crankshaft gear. Align Mark (C) on the camshaft gear with Mark (C) on the crankshaft gear. Install camshaft gear (1) and bolts (2). Tighten bolts (2) to a torque of 55 10 N m (41 7 lb ft). End By:
Install the front housing.