GUARD AS-TRACK GUIDE 1893862 - Caterpillar

Ensure that this procedure is carried out before the rocker shaft is removed.
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A (1)     5P-7306     Housing     1    
5P-7305 Engine Turning Tool     1    
( 1 ) This Tool is used in the aperture for the electric starting motor.
Illustration 1 g01353215
Cylinder and valve location (A) Inlet valve (B) Exhaust valve
Remove the valve mechanism cover. Refer to Disassembly and Assembly, "Valve Mechanism Cover - Remove and Install" for the correct procedure.
Illustration 2 g02948536
Typical example
Select an exhaust rocker arm (1) . The exhaust rocker arm (1) can be on any cylinder.
Use Tooling (A) to rotate the crankshaft in the normal direction of rotation until the hydraulic lash adjuster starts to open the exhaust valve. Continue to rotate the crankshaft until the valve has opened to the maximum extent. This is the safe position.Note: Make temporary marks on the front pulley and the front housing once the engine is in the safe position.
Ensure that the crankshaft is located in the safe position before the rocker shaft assembly is installed.