Perkins — Exhaust Manifold - Remove and Install

Repair & overhaul

From a Perkins service manual — check it applies to your exact model before use.

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Procedure

1. Remove the turbocharger.
2. Remove nuts (3), washers (2) and spacers (1).
3. Remove exhaust manifolds (4), (5) and (6) as one assembly.
4. Remove the exhaust manifold gaskets.
5. Remove exhaust manifolds (4) and (6) from exhaust manifold (5).
6. If necessary, remove the taperlock studs from the cylinder head.
7. If necessary, install taperlock studs to the cylinder head; tighten to 35 N·m (26 lb ft).
8. Assemble exhaust manifolds (4), (5) and (6).
9. Position the exhaust manifold gaskets onto the taperlock studs.
10. Install the manifold assembly to the cylinder head, centralizing holes with the taperlock studs.
11. Apply Tooling (A) to the threads of the taperlock studs; install spacers (1), washers (2) and nuts (3).
12. Tighten the nuts to 55 N·m (41 lb ft) in the numerical sequence shown.
13. Install the turbocharger.

Source: Perkins service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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