Perkins 1103 / 1104 — Crankshaft Main Bearings - Install
Installation
For the Perkins 1103 / 1104, from the Perkins service manual.
Applies to: Perkins 1103, Perkins 1104
Procedure
- Clean and inspect bearing housings in cylinder block and main bearing caps.
- Install upper bearing shells with tabs in correct position; lubricate.
- Lubricate crankshaft main journals; lift crankshaft into position.
- Install lower bearing shells in caps; lubricate.
- Install main bearing caps using hollow dowels; insert setscrews finger tight.
- Install thrust washers on both sides of appropriate main bearing.
- Tighten all setscrews to 245 N·m.
- Rotate crankshaft to ensure it turns freely; check end play.
Specs & values
- 245 N·m
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.