Perkins 1104 — Cylinder Head - Install

Maintenance

For the Perkins 1104, from the Perkins service manual.

Applies to: Perkins 1104, Perkins N H1 (Engine) engine

Procedure

1. Clean mating surfaces of cylinder head and cylinder block.
2. Inspect cylinder head mating surface for distortion; replace if beyond limits.
3. Inspect dowels; replace if damaged.
4. Install guide studs to cylinder block.
5. Align cylinder head gasket with guide studs and dowels; install onto cylinder block.
6. Lift cylinder head using suitable lifting device.
7. Align cylinder head with guide studs; install to cylinder block.
8. Clean bolts; inspect length and threads; replace if reduced diameter.
9. Lubricate threads and shoulders of bolts with clean engine oil.
10. Remove guide studs.
11. Install bolts to cylinder head.
12. Tighten bolts to 50 N·m (37 lb ft) in sequence.
13. Tighten bolts to 100 N·m (74 lb ft) in sequence.
14. Turn bolts additional 225 degrees in sequence.
15. Install bypass tube with new O-ring seals; tighten bolts to 22 N·m (16 lb ft).

Full service-parts list: Perkins 1104 →

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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