ERVOR G05 - D - Cylinders,Pistons; D - 1 - Cylinders; D - 2 - Pistons; E - Piston Rings

Page 34
Notice G05 - 3 590 503
Issue: 11/2011 - Rev.A
ERVOR (SCA) - 6, Rue Désiré Granet - Z.I. du Val d'Argent - 95100 ARGENTEUIL FRANCE
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Web : www.ervor.com - Email : info@ervor.com
11 - D - CYLINDERS,PISTONS
11 - D - 1 - CYLINDERS
Cast iron without lining.
Cylinder bore measurements :
- LOW PRESSURE 1ST STAGE ....................................:125 mm + 0,025 / 0
- HIGH PRESSURE 2ND STAGE ...................................: 50 mm + 0,025 / 0
11 - D - 2 - PISTONS
Light treated alloy.
Machined dimensions :
- LOW PRESSURE 1ST STAGE ..................................:124.7mm - 0 / - 0,05
- HIGH PRESSURE 2ND STAGE: ................................: 49.8mm - 0 / - 0,05
11 - E - PISTON RINGS
Cast steel - adjusted right cut
Manufacturers dimensions:
LOW PRESSURE 1ST STAGE
- ANTI-LEAK ................................................................ 125mm x 4 Qty 2
- SCRAPER ................................................................ 125mm x 5 Qty 2
HIGH PRESSURE 2ND STAGE
- ANTI-LEAK ................................................................ 50mm x 3 Qty 3
- SCRAPER ................................................................. 50mm x 3 Qty 1
Piston ring diameter : play at cut
- ANTI-LEAK L.P .......................................................... 125mm 0,40 to 0,55 mm
- SCRAPER L.P ........................................................... 125mm 0,60 to 0,75 mm
- ANTI-LEAK H.P ......................................................... 50mm 0,15 to 0,30 mm
- SCRAPER H.P .......................................................... 50mm 0,25 to 0,40 mm
Check the play at the cut of each new piston ring by placing it carefully in the cylinder bore.