CYLINDER GP-STEERING 3G8070 - Caterpillar

Remove & Install Flywheel
1. Install Tool (A) on the flywheel as shown. Fasten a hoist to Tool (A). Remove eight bolts (1) and the washers that hold the flywheel in position. Remove the flywheel. The weight of the flywheel is 57 kg (125 lb).2. If the flywheel ring gear needs to be replaced, position the flywheel on a wooden block. Use a hammer and punch to remove the ring gear. The following steps are for the installation of the flywheel.3. Install a new ring gear on the flywheel. Heat the ring gear to a maximum temperature of 315°C (599°F). Position the ring gear so the part number is facing toward the crankshaft. After the ring gear is cool, use a soft drift to be sure the ring gear is seated against the shoulder on the flywheel.4. Fasten Tool (A) and a hoist to the flywheel. Put the flywheel in its original position on the crankshaft. Be sure the bolt holes on the components are in alignment.5. Put 3M Scotch Grip Fastener Adhesive 2353 or Loctite Dri-Loc 203 on eight bolts (1). Install eight bolts (1). Tighten the bolts evenly to a torque of 270 40 N m (200 30 lb ft).6. Check the flywheel runout. Refer to the "Specifications" module, Form No. SENR6507 for the correct procedure to check flywheel runout.