Fuel Priming Pump - Remove and Install
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C9.3 Engines for Caterpillar Built Machines
[UENR0130]
C9.3 Engines for Caterpillar Built Machines
Exhaust Manifold - Remove and Install
C9.3 Engines for Caterpillar Built Machines
Fuel Lines - Remove and Install
FUEL SYSTEM
PUMP GP-FUEL PRIMING
C9.3 Engines for Caterpillar Built Machines
Fuel Priming Pump - Remove and Install
1.1. Removal Procedure
2.1. Installation Procedure
- Turn the fuel supply to the OFF position and turn the power disconnect switch to the OFF.
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Illustration 1 g02138690 Typical Example - Disconnect the fuel line (1) to the ARD manifold from both ends.
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Illustration 2 g02140391 Typical Example - Disconnect the solenoid harness (2).
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Illustration 3 g02139134 - Remove the bolts (3) from the manifold.
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Illustration 4 g02139144 - Remove the manifold (4).
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Illustration 5 g02138698 - Remove the two locknuts (5).
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Illustration 6 g02139150 - Write down the polarity and remove the wires (6) from the terminal studs. The polarity is designated by “+” and “-” signs around the terminal studs.
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Illustration 7 g02139164 - Remove the seal (7).
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Illustration 8 g02139169 - Remove the pump assembly (8).
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Illustration 9 g02167735 - Remove the two backup rings (9), seal (10), and seal (11) from the pump assembly.
- Use the pump seal installer that is provided in the pump kit to press in the new pump (12) and seals.
Note: The outlet of the pump should be at the top center position.
Show/hide tableIllustration 11 g02139286 - Reinstall the wires on the terminal studs. Install new locknuts (6). Torque locknuts to
1.3 N·m (1 lb ft) .Show/hide tableIllustration 12 g02139307 - Install new seal (7).
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Illustration 13 g02139309 - Reinstall the manifold (4).
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Illustration 14 g02139311 - Reinstall bolts (3). Torque the bolts to
12 ± 3 N·m (9 ± 2 lb ft) .Show/hide tableIllustration 15 g02138801 - Replace the filter connector fitting (13).
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Illustration 16 g02139316 - Reconnect the solenoid harness (2).
- Turn the fuel supply to the ON position and turn the power disconnect switch to the ON.
- 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.
- Connect fuel line (1) to the ARD manifold.
- After reassembly, prime the engine by turning on the key or pressing the manual switch. The manual switch, if available, is located on the primary fuel filter base. Visually check for leaks around the pump and around the connections on the ARD manifold. If leaks are observed, resolve the leak issue before proceeding further.
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Illustration 10 | g02139275 |
Proper orientation of the new fuel priming pump. |
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