COOLER 5342685 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A(1) - 1/2 Inch Drive T50 Torx Bit 1
- 1/2 Inch Drive x 8 mm Hex Drive 1
(1) Either tool may be necessary in order to remove the alternator pulley.Start By:
Remove the alternator belt. Refer to Disassembly and Assembly, "Alternator Belt - Remove and Install" for the correct procedure.
Turn the battery disconnect switch to the OFF position.
Illustration 1 g02422737
Heavy Duty Alternator
Place identification marks on all of the wiring harness connections (4). Remove nut (5) and nut (6).
Disconnect harness assembly (4) from alternator (2).
Remove bolt (7) from alternator (2). Disconnect grounding strap (3) from alternator (2).
Support the weight of the alternator and remove bolts (1). Remove alternator (2) from the alternator bracket.
Illustration 2 g02422738
Heavy Duty Alternator
If necessary, follow Step 6.a through Step 6.d in order to remove pulley (8) from alternator (2). Note: Either of Tooling (A) may be required in order to carry out the removal of the alternator pulley.
Hold shaft (10) of alternator (2) with Tooling (A). Use a cranked ring spanner to loosen nut (9).
Make a temporary mark on pulley (8) in order to show correct orientation.
Remove nut (9) and pulley (8) from alternator (2).
Remove fan (11) from alternator (2). Note: Note on some alternator the fan is an internal part of the alternator.
Illustration 3 g02422739
Illustration 4 g02422740
If necessary, follow Step 7.a through Step 7.d in order to remove alternator bracket (12) from the cylinder block.
If necessary, remove belt tensioner (14) from alternator bracket (12). Refer to Disassembly and Assembly, "Belt Tensioner - Remove and Install" for the correct procedure.
Remove bolts (13) from alternator bracket (12).
Remove alternator bracket (12) from the cylinder block.
Note the position of dowels (15) in alternator bracket (12). Removal Procedure for Heavy Duty Alternator Bracket
Start By:
Remove fan drive. Refer to Disassembly and Assembly, "Fan Drive - Remove and Install" for the correct procedure.
Illustration 5 g03740878
If necessary, follow Step 1.a through Step 1.e in order to remove heavy-duty alternator bracket (18) from the cylinder block.
If necessary, remove belt tensioner (21) from heavy-duty alternator bracket (18). Refer to Disassembly and Assembly, "Belt Tensioner - Remove and Install" for the correct procedure.
If necessary, remove idler pulley (20) from heavy-duty alternator bracket (18). Refer to Disassembly and Assembly, "Idler Pulley (Flat) - Remove and Install" for the correct procedure.
Remove bolts (18). Note the position of spacers (19) in the heavy-duty alternator bracket (18).
Remove bolts (19) from heavy-duty alternator bracket (18). Support the heavy-duty alternator bracket as the bolts are removed.
Illustration 6 g02422757
Remove bolts (22) and remove bracket (23) from the cylinder block.