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1B3-126 OM600 ENGINE MECHANICAL 17. Drive in new valve seat ring (2) with a proper wooden drift. 18. Install the valve guide (3) with a proper drift and assembling tool. Notice The valve guide must be driven in from the cylinder head Drift (Intake) 8mm Drift (Exhaust) 9mm 19. Machine the valve seats. 15. Hang the cylinder head (1) to the lifting device and heat in a water tank to approx. 80°C. 16. Cool down new valve seat ring (2) into the cooling box with liquid nitrogen. Notice Do not touch the cooled valve seat rings with hand. Super Cooling Box 345 589 00 63 00 |