PLATE AS-COUPLING 2N7025 - Caterpillar

Removal Procedure
Personal injury can result from failure to disconnect the battery.First, disconnect the negative battery cable. Then, disconnect the positive battery cable.A positive power lead can cause sparks if the battery is not disconnected. Sparks can possibly result in battery explosion or fire.
Disconnect the negative battery terminal. Refer to Operation and Maintenance Manual, "Battery or Battery Cable - Disconnect".
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Remove bolts (1). Remove guard (2).
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Put an identification mark on the harness assemblies that are connected to alternator (3) for installation purposes. Remove bolt (4) and nut (5). Disconnect harness assembly (6) from alternator (3).
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Loosen nuts (12) on adjustment rod (13).
Loosen the nut on bolt (9). Push the bottom of alternator (3) toward the cylinder block. Remove the V-belt from the alternator pulley.
Remove bolt (9) and bolt (11). Remove alternator (3).
Remove nut (10) and the alternator pulley from alternator (3).
Remove nuts (7) and remove bracket (8).Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A - Loctite 271 -
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Install the alternator pulley and nut (10). Tighten nut (10) to a torque of 102 7 N m (75 5 lb ft).
Position bracket (8) in position on the studs. Apply Tooling (A) to the threads of the studs. Install nuts (7) and tighten nuts (7) to a torque of 70 5 N m (52 4 lb ft).
Put alternator (3) in position on bracket (8) and install bolt (9).
Put adjustment rod (13) in position on alternator (3). Install bolt (11) and tighten bolt (11) to a torque of 88.4 6.8 N m (65 5 lb ft).
Install the V-belt. Tighten the V-belt. Refer to Testing and Adjusting, "Belt Tension Chart".
Tighten nuts (12) to a torque of 30 15 N m (22 11 lb ft).
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Connect harness assembly (6) on alternator (3). Tighten nut (5) to a torque of 6.2 0.6 N m (55 5 lb in). Tighten bolt (4) to a torque of 2.25 0.25 N m (20 2 lb in).
Illustration 6 g01256155
Position guard (2) and install bolts (1).
Connect the negative battery terminal. Refer to Operation and Maintenance Manual, "Battery or Battery Cable - Disconnect".