Installation · The tools should always be examined for burred

911 Carrera (996) Engine, crankshaft, pistons Installation Note The tools should always be examined for burred spots before assembly of a sealing ring. Check all surfaces over which the sealing ring is pushed. Even minor damage to the tool can ~ - damage the micro sealing lips of the new sealing ring. 1. Removeany burred spots with a nail file, then pull off with a fine abrasive or polishing cloth. Illustrationshows surrounding edge of 13590004 centring piece. The surroundingedge must not be damaged. 2. Fasten assemblysleeve of special tool 9609. 3. Lubricate crankshaftjournal and assembly sleeve. Note The micro sealing lip of the sealing ring must neither be touched by hand nor lubricated. 4. Put on sealing ring by hand. Do not lubricateIllustration shows rounded edges on the 13590005 recesses in the centring piece. outer diameter of sealingring, do not use sealant, it must be fitted dry. 499_97 135919 Removing and installing crankshaft sealing ring -engine installed 13 -40a