SPIDER & BEARING ASSEM. 7J5242 - Caterpillar

Remove And Install Front Support
The engine shown is mounted on an OTC Model 1750A Engine Repair Stand. If the engine is not on a repair stand, it will be necessary to remove the bolts from locations (A); then block the engine in a position so front support (1) is off the mounting brackets. 1. Loosen bolts (2), and remove the alternator belt. Remove two bolts (4) and turn bracket (3) to clear front support (1).2. Remove the bolts that hold the front support in position, and remove the front support.3. Put front support (1) in position on the timing gear cover, and install the bolts that hold it.4. Rotate bracket (3) into position, and install two bolts (4).5. Put the alternator belt in position as shown.6. Use a belt tension gauge such as a Borroughs Tool Company Part No. BT-33-72C or equivalent, and make an adjustment to the belt tension. Tighten a new belt until the gauge indication is 535 22 N (120 5 lb.). Tighten a used belt until the gauge indication is 400 44 N (90 10 lb.). Tighten bolts (2) that hold the alternator in position. Used belt tension is for a belt which has more than 30 minutes of operation at rated speed of the engine.