ALTERNATOR GP -B 20R3597 - Caterpillar

Illustration 1 g00529633
(1) FlywheelPlace the flywheel on a surface plate. Use a dial indicator in order to measure the flatness of the flywheel. Standard at assembly of flywheel ... 0.15 mm (0.006 inch) Repair limit of flywheel ... 0.50 mm (0.020 inch)Note: Refinish the flywheel if the repair limit is exceeded.
Illustration 2 g00555459
(2) Measure the runout on the flywheel face with a dial indicator. Maximum face runout ... 0.15 mm (0.006 inch)Repair limit of face runout ... 0.50 mm (0.020 inch)Note: Refinish the flywheel if the repair limit is exceeded.Maximum permissible temperature of the ring gear for installation on the flywheel without using a torch ... 150 °C (302 °F)Note: The ring gear is pressed on the flywheel.Tighten the flywheel bolts to the following torque. ... 83 5 N m (61 4 lb ft)Number of teeth of the flywheel ring gear ... 126