SPRING-RECOIL 8Y1584 - Caterpillar

Removal Procedure
Start By:
Remove the turbocharger. Refer to Disassembly and Assembly, "Turbocharger - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g02433136
Remove bolts (4). Remove bolts (2) from flange (5). Remove elbow (1) from exhaust manifold assembly (3).
Remove the O-ring seals from elbow (1). Remove gasket (6) from exhaust manifold assembly (3).
Illustration 2 g02433137
Remove the locknuts and spacers from taperlock studs (7). Remove exhaust manifold assembly (3) from the cylinder head.
Remove coupling (8) from the exhaust manifold assembly. Remove the O-ring seals from the coupling.
Remove exhaust manifold gaskets (10) from the cylinder head.
If necessary, remove taperlock studs (9) from exhaust manifold assembly (3). Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 5P-3931 Anti-Seize Compound -
B 1U-6396 O-Ring Assembly Compound -
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 3 g02433137
If necessary, install taperlock studs (9) in exhaust manifold assembly (3) and tighten to a torque of 35 5 N m (26 4 lb ft).
Install exhaust manifold gaskets (10) on taperlock studs (7).
Apply Tooling (A) to the threads of taperlock studs (7).
Install the O-ring seals on coupling (8). Apply Tooling (B) to the O-ring seals. Install coupling (8) in the exhaust manifold assembly. Note: Discard the locknuts after use. Use new locknuts for installation.
Install exhaust manifold assembly (3) in position on taperlock studs (9). Install the spacers and locknuts finger tight.
Illustration 4 g00592627
Tightening sequence
Tighten the locknuts for the taperlock studs in a numeric sequence to a torque of 50 5 N m (37 4 lb ft).
Illustration 5 g02433136
Install the O-ring seals on elbow (1).
Position gasket (6), elbow (1), and flange (5) on exhaust manifold assembly (3).
Install bolts (2) and bolts (4). End By:
Install the turbocharger. Refer to Disassembly and Assembly, "Turbocharger - Install".