Perkins 1106 — Cylinder Head - Install
Repair & overhaul
For the Perkins 1106, from the Perkins service manual.
Applies to: Perkins 1106, Perkins 1106D engine
Before you start
- Do not use a lever to separate the cylinder head
Procedure
- Clean mating surfaces of cylinder head and cylinder block.
- Inspect cylinder head mating surface for distortion; replace if beyond limits.
- Install inlet manifold to cylinder head if necessary.
- Inspect dowels and install guide studs to cylinder block.
- Align and install new cylinder head gasket.
- Use lifting device and spreader bar to lift cylinder head (approx 66 kg).
- Use guide studs to align and install cylinder head to cylinder block.
- Remove guide studs.
- Clean and inspect bolts; replace any with reduced thread diameter.
- Lubricate threads and shoulders of bolts with clean engine oil.
- Install bolts; tighten to 50 N·m in numerical sequence.
- Tighten bolts to 100 N·m in numerical sequence.
- Turn bolts an additional 225 degrees in numerical sequence.
- Install new O-ring seals to bypass tube; install tube; tighten bolts to 22 N·m.
- Connect sensors, harness, hoses and fill cooling system.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 50 N·m stage 1
- 100 N·m stage 2
- 225 degrees stage 3
- 22 N·m bypass tube bolts
- head weight approx 66 kg (145.5 lb)
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.