ALTERNATOR MOUNTING GROUP 8N6129 - Caterpillar

Removal Procedure
Turn the fuel supply to the OFF position and turn the power disconnect switch to the OFF.
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Typical Example
Disconnect fuel line (1) to the ARD manifold from both ends.
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Typical Example
Disconnect solenoid harness (2).
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Remove bolts (3) from the manifold.
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Remove manifold (4).
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Remove locknuts (5).
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Write down the polarity and remove wires (6) from the terminal studs. The polarity is designated by “+” and “-” signs around the terminal studs.
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Remove seal (7).
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Remove pump assembly (8).
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Remove backup rings (9), seal (10), and seal (11) from the pump assembly. Installation Procedure
Install the fuel priming pump in the reverse order of removal.
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Proper orientation of the new fuel priming pump.
Use the pump seal installer that is provided in the pump kit to press in the pump assembly (8) and seals. Note: The outlet of the pump should be at the top center position.
Install new locknuts (6). Torque locknuts to 1.3 N m (12 lb in).
Torque bolts (3) to 12 3 N m (106 27 lb in).
Use two people in order to flush the fuel pump and fuel line (1) into a suitable container for disposal. The fuel pump can be activated by turning on the key or pressing the manual switch. The manual switch, if available, is located on the primary fuel filter base.