SHAFT 3N0548 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 395-1100 Link Bracket 2
B - Guide Bolts
1 - 14 NF by 8 inch 2 Start By:
Remove the coupling.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Remove the magnetic pickups.
Illustration 1 g03713610
Typical Example
Mark flywheel (1) and the crankshaft for reinstallation purposes. Install Tooling (A) onto flywheel (1) and attach a suitable lifting device. The weight of flywheel (1) is approximately 167 kg (370 lb).
Remove two bolts (2) on each side of the crankshaft.
Install Tooling (B).
Remove remaining bolts (2) and position flywheel (1) onto Tooling (B). Note: Use of a prybar may be required to separate the flywheel from the crankshaft.
Remove flywheel (1).
Inspect the condition of the flywheel ring gear. Use the following procedure in order to replace the ring gear, if necessary.
Remove the damaged ring gear from the flywheel.
Raise the temperature of the new ring gear.
Install the gear on the flywheel. Ensure that the chamfer of the gear teeth will be toward the pinion of the starting motor. Installation Procedure
Install flywheel (1) in the reverse order of removal.
Align the mark on the flywheel with the mark on the crankshaft.
Apply clean engine oil to bolts (2) prior to installation.
Tighten bolts (2) to a torque of 1150 60 N m (850 44 lb ft).