GENERATOR AR 2523788 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7575 Link Bracket 2 Start By:
Remove the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove and Install".
Remove the flywheel. Refer to Disassembly and Assembly, "Flywheel - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
The weight of the flywheel housing (3) is approximately 39 kg (85 lb). Use suitable lifting equipment to support the flywheel housing (3) while the setscrews (1) are being removed and while the flywheel housing is being removed.
Illustration 1 g00977367
Remove the setscrews (1) from the top of the flywheel housing (3).
Attach the Tooling (A) and a suitable lifting device to the flywheel housing (3).
Remove the setscrews (2) that attach the flywheel housing (3) to the cylinder block.
Remove the flywheel housing (3). If necessary, tap the flywheel housing with a soft faced hammer in order to separate the flywheel housing from the cylinder block. Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A 138-7575 Link Bracket 2
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Clean the rear face of the cylinder block and the mating surface of the flywheel housing (3).
Illustration 2 g00977388
If a felt seal (5) is installed, replace the felt seal. Inspect the dowels (4) in the cylinder block that align the flywheel housing (3). Replace the dowels, if necessary.
The weight of the flywheel housing (3) is approximately 39 kg (85 lb). Use the Tooling (A) and a suitable lifting device to position the flywheel housing (3) on the dowels (4) that are on the cylinder block.
Install the setscrews (1) that attach the flywheel housing (3) to the cylinder block.
Install the setscrews (2) that attach the flywheel housing (3) to the cylinder block. Tighten the setscrews (1) and the setscrews (2) to the following torque: M10 "8.8" ... 44 N m (33 lb ft)M10 "10.9" ... 63 N m (46 lb ft)M12 "8.8" ... 75 N m (55 lb ft)M12 "10.9" ... 115 N m (85 lb ft)
Remove Tooling (A) and the lifting device from the flywheel housing.
Check the alignment of the flywheel housing with the cylinder block. Refer to Testing and Adjusting, "Flywheel Housing - Inspect". End By:
Install the flywheel. Refer to Disassembly and Assembly, "Flywheel - Install".
Install the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove and Install".