Perkins 1104 — Crankshaft - Install

Maintenance

For the Perkins 1104, from the Perkins service manual.

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

Procedure

1. Clean and inspect crankshaft for wear or damage.
2. If necessary, install crankshaft gear.
3. If necessary, install new crankshaft timing ring.
4. Ensure parent bores for crankshaft bearings clean.
5. Clean crankshaft bearings and thrust washers; inspect.
6. Install upper bearings to cylinder block; ensure locating tabs seated.
7. Lubricate upper bearings with clean engine oil.
8. Attach lifting strap to crankshaft; lift into cylinder block.
9. Install thrust washers for number three bearing.
10. Install lower bearings into bearing caps; install thrust washers for number three cap.
11. Lubricate lower bearings and crankshaft journals with clean engine oil.
12. Install bearing caps to cylinder block.
13. Lubricate bolt threads and undersides of heads; install bolts.
14. Tighten bolts to 245 N·m (180 lb ft).
15. Rotate crankshaft to ensure no binding.

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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