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Manual G06
Edition: 10/2015 - rev A
ERVOR (SCA) - 6, Rue Désiré Granet - Z.I. du Val d'Argent - 95100 ARGENTEUIL FRANCE
(33) 01 34 11 50 00
(33) 01 34 11 50 10
Web : www.ervor.com - Email : [email protected]
RESPECT THE TIGHTENING TORQUE OF THE CHAPTER 10
10 - B - 1 - MAINTENANCE OF VALVES
Dismounting of valves :
- Disconnect outlet pipes and cooling coil fittings
(all pipe fittings are olive type)
- Disassemble manifold, cylinder heads and valves
- Make sure
a) that there is no foreign matter between the valve and the valve seat
b) that bearings are in good condition
c) that there are no broken springs
replace any defective component with a new one
BE CAREFUL NEVER TO CLEAN THE VALVES WITH INFLAMMABLE
LIQUIDS (E.G. PETROLEUM)
Remounting of valves :
- Remount valve on the cylinder head according to the figure on the previous page.
- Do not forget the belleville washer and split pin which prevent the slackening of the valve stem
nut.
Tightening of the valve nuts :
- After tightening the castellated nut to a torque reading of 10 Nm continue to tighten the nut
until the first notch is in front of the pin hole of the valve stem.
- After tightening the nut make sure that the valve slides freely in its guide and has not been
jammed during assembly. The valve should rise 1mm.
- Reassemble the cylinder head on the manifold and the cylinder head - manifold on the cylinder.
- Systematically fit new gaskets when reassembling.
Frequency :
- Tightening of valves:................................................... every 500 hours of operation
- Changing of valves: .................................................... every 1500 hours of operation
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Содержание G06
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