Perkins 1106 — Pistons and Connecting Rods - Install
Repair & overhaul
For the Perkins 1106, from the Perkins service manual.
Applies to: Perkins 1106, Perkins 1106D engine
Before you start
- Discard all used connecting rod fasteners
Procedure
- Remove temporarily installed connecting rod caps; clean components.
- Apply clean engine oil to cylinder bore, rings, piston and bearing shells.
- Rotate crankshaft until the crank pin is at bottom center; lubricate the pin.
- Install piston ring compressor onto the piston.
- Push the piston and connecting rod into the cylinder bore onto the crank pin.
- Install connecting rod cap; ensure etched numbers match and correct orientation.
- Install new bolts; tighten evenly to 18 N·m.
- Tighten bolts evenly to 70 N·m.
- Turn bolts an additional 120 degrees.
- Ensure tactile side play and rotate crankshaft to check no binding.
- Repeat for remaining pistons and connecting rods.
- Check piston height above cylinder block.
Tools required
- 21825576 Crankshaft Turning Tool Amazon
- 27610291 Barring Device Housing Amazon
- 21825491 Piston Ring Compressor Amazon
- 21825607 Angle Gauge Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 18 N·m (13 lb ft) stage 1
- 70 N·m (52 lb ft) stage 2
- 120 degrees stage 3
Full service-parts list: Perkins 1106 →, Perkins 1106D engine →
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.