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Perkins 1103 / 1104 — Pistons and Connecting Rods - Install

Installation

For the Perkins 1103 / 1104, from the Perkins service manual.

Applies to: Perkins 1103, Perkins 1104

Procedure

  1. Clean components; lubricate piston and cylinder bore with engine oil.
  2. Rotate crankshaft until connecting rod journal is at bottom center.
  3. Lubricate bearing shells for connecting rod with clean engine oil.
  4. Install piston sleeve tool; push piston and rod into cylinder.
  5. Install cap with bearing shell and new torx screws.
  6. Tighten new torx screws to 20 N·m.
  7. Tighten torx screws to 70 N·m, then rotate additional 120 degrees.

Tools required

  • 21825615 Piston sleeve (installation tool) Amazon

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

Specs & values

  • 20 N·m
  • 70 N·m
  • 120 degrees

Full service-parts list: Perkins 1103 →, 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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