GUARD AS 2220577 - Caterpillar

Removal Procedure
Start By:
Remove the turbocharger. Refer to Disassembly and Assembly, "Turbocharger - Remove".
Illustration 1 g00951398
Remove the setscrews (1) in reverse numerical order. Refer to Illustration 1 . This will help prevent distortion of the exhaust manifold.
Remove the exhaust manifold from the cylinder head and the exhaust manifold gasket. Discard the exhaust manifold gasket. Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A - Guide Bolt
(M10 X 1.5 by 100 mm) 2 Note: Improper installation of the exhaust manifold can result in a cracked exhaust manifold. The setscrews that secure the exhaust manifold must be tightened in the correct sequence and to the correct torque.
Illustration 2 g00951297
Install Tooling (A) in the cylinder head in Hole (X). Note: Do not use any sealant on the exhaust manifold gaskets.
Position a new exhaust manifold gasket on the Tooling (A) in the cylinder head. Position the exhaust manifold on the Tooling (A). Install the setscrews (1) finger tight in order to secure the exhaust manifold to the cylinder head.
Remove the Tooling (A). Install the remaining setscrews (1) and tighten the setscrews evenly to a torque of 33 N m (24 lb ft). Tighten the setscrews in the sequence that is shown in Illustration 2. End By:
Install the turbocharger. Refer to Disassembly and Assembly, "Turbocharger - Install".