Perkins — To fit a service cylinder 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
Procedure
- Clean parent bore and recess; clean outer surface of liner with POWERPART Safety cleaner
- Lubricate parent bore lightly with engine oil except top 50 mm
- Engage liner vertically; fit adaptor on liner flange; fit bearing and threaded rod
- Fit lower adaptor, washer and nut; centre threaded rod and tighten
- Press liner in to within 50 mm of fitted position; clean below flange
- Apply POWERPART Retainer (oil tolerant) to top 25 mm of liner and under flange and to bottom of flange recess
- Press liner to fully fitted position; clean retainer from block
- Check liner flange 0,10 mm above to 0,10 mm below block top face
- Fit new piston rings, piston and connecting rod assembly and cylinder head
Tools required
- Liner remover/replacer 21825543 with adaptors 21825563 Amazon
- Gauge 21825496 with dial gauge 21825617 Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Service liner inside diameter 100,00/100,06 mm
- Liner flange 0,10 mm above to 0,10 mm below block top face
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.