Perkins — Cylinder liner - to remove and to fit a service liner
Repair & overhaul
From a Perkins service manual — check it applies to your exact model before use.
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Before you start
- Do not hit a liner with a hammer.
- For the first 240 km (150 miles) or 5 hours: do not operate at full load, at high speed, or at low idle for extended periods.
Procedure
- Drain the lubricating oil and remove the lubricating oil sump.
- Remove the cylinder head assembly, the piston and connecting rod assembly and the piston cooling jet.
- Turn the crankshaft to give access and protect the crank pin.
- Put the tool on the top face of the cylinder block over the centre of the liner.
- Assemble bearing, threaded rod, handle and adaptor PD.150B-17/1 against the bottom of the liner.
- Lubricate the ratchet and threaded rod with Shell Spirax oil; operate the handle and pull the liner out.
- For a service liner: clean the parent bore and the top 50 mm (2.0 in) with Loctite Safety Solvent.
- Lubricate the parent bore lightly with clean engine oil except for the top 50 mm (2.0 in).
- Engage the liner vertically and press in with tool PD.150B to within 50 mm (2.0 in) of the fitted position.
- Apply Loctite 602 to the top 25 mm (1.0 in) of the liner and under the flange and to the flange recess.
- Press the liner to the fully fitted position and clean off excess Loctite.
- Check the liner flange is between 0,10 mm above and 0,10 mm below the top face of the block.
Tools required
- Remover/replacer for cylinder liner PD.150B Amazon
- Adaptors PD.150B-17 Amazon
- Depth gauge liner flange PD.41D Amazon
- Dial gauge PD.208 Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Service liner transition fit +/- 0,03 mm (+/- 0.001 in)
- Liner flange 0,10 mm (0.004 in) above to 0,10 mm (0.004 in) below block face
- Loctite reaches full strength after 3 hours
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.