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Ivor Searle - Quality, guaranteed

Certified to ISO 9001:2015

Following the 8 principles of quality ensures our certification and demonstrates our determination to lead the business through quality and excellence.
 

Our 8 core principles:

  • Customer focus
  • Leadership
  • Involvement of people
  • Process driven approach
  • System approach to management
  • Continual improvement
  • Factual approach to decision making
  • Mutually beneficial supplier relationships

Camshaft

Camshafts are either replaced with a new unit or reprofiled to their original valve timing and lift specifications.
 

Cylinder head

Every cylinder head is inspected for cracks. OHC configurations have the camshaft bores measured for size, ovality, taper and alignment and are either restored to specification or scrapped. Valve guides are measured for wear and either resized or renewed to conform to original tolerances. Valve seats are machined so as to retain the correct seat angles, widths, valve heights and valve seating concentric with the centre line of the valve guide bore.

Valves are examined for damage, head thickness and stem wear and replaced or machined as necessary. All valve springs are tested for squareness, free height and compressed load length. Cylinder heads are checked for distortion and thickness. When machining the cylinder head face, particular attention is paid to maintaining the surface finish specified by the gasket manufacturer.
 

New components

All remanufactured engines are equipped with new pistons, piston pins, piston rings, mains and con-rod bearings, timing chain or belt, gaskets, oil seals, core plugs and oil filter. These new components have been selected for their durability and reliability and are sourced extensively from the manufacturer that supplies the vehicle producers.

Con rods

Big end housings are measured for size, ovality and are resized as necessary. Small end bushes are measured and replaced if found to be outside manufacturer’s specification. All are checked for alignment and are weight graded into engine sets.
 

Crankshaft

After grinding, all crankshafts are polished to produce the exact dimensions and surface finish required. Diesel crankshafts are electro-magnetically crack tested. Seal diameters and nose ends are also measured and, if necessary, reclaimed. Blended radii, thrust wear and alignment are also checked. Oil galleries are deburred and thoroughly cleaned.
 

Cylinder block

When refacing the cylinder block particular attention is paid to surface finish and deck height. Each cylinder block is rebored or resleeved and honed to give the precise surface finish and cross-hatch required. All main housings are measured for size, ovality, taper and alignment and machined as required.
 

Oil pump

The clearance between rotor and body is measured. The oil pressure relief valve is dismantled and cleaned and all non-conforming parts are replaced.
 

Testing

Every reman engine is tested in a purpose built test cell and subjected to a series of checks. The results are recorded against each specific engine serial number.