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Perkins 1104 — Flywheel - Install

Maintenance

For the Perkins 1104, from the Perkins service manual.

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

Before you start

  • Always wear protective gloves when handling parts that have been heated.

Procedure

  1. If ring gear removed, install new ring gear: identify orientation, heat in oven to max 250 °C (482 °F), install quickly.
  2. Inspect crankshaft rear seal for leaks; replace if leaking.
  3. Install suitable lifting device to flywheel.
  4. Install guide studs to crankshaft.
  5. Position flywheel onto guide studs.
  6. Install bolts finger tight.
  7. Remove guide studs and install remaining bolts.
  8. Remove lifting device.
  9. Use suitable tool to prevent flywheel rotation; tighten bolts to 120 N·m (88 lb ft).
  10. Check run out of flywheel.

Tools required

  • Guide Stud (1/2 inch - 20 UNF by 4 inch) Amazon

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • 120 N·m (88 lb ft)
  • 250 °C (482 °F)

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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