VALVE AS-EXHAUST 5268389 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 9S-9082 Engine Turning Tool 1 Start By:
Remove the engine oil pump.
Special care must be taken not to bend the piston cooling jets because the piston cooling jets are precision aligned with a coolant passage in the pistons.There is only one position for each cooling jet. The notch in the bottom of the piston allows clearance for the piston cooling jet when the piston is at bottom dead center.
Illustration 1 g01004705
Use Tooling (A) to rotate the crankshaft to gain access to the piston cooling jet.
Remove bolt (1) and piston cooling jet (2).Installation Procedure
Special care must be taken not to bend the piston cooling jets because the piston cooling jets are precision aligned with a coolant passage in the pistons.There is only one position for each cooling jet. The notch in the bottom of the piston allows clearance for the piston cooling jet when the piston is at bottom dead center.
Install piston cooling jet (2) in the reverse order of removal.
Tighten bolt (1) to a torque of 40 8 N m (30 6 lb ft)