SPOOL AS 7T5644 - Caterpillar

Removal at the Fuel Transfer Pump
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Previous fuel transfer pump
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Fuel transfer pump with the fuel recirculation lines that are removed
Remove the elbow and the connector (1) .
Remove the tee (8) .
Remove the tube assembly, the clip, and the valve (2) .
Reinstall the OEM fuel supply.Note: Refer to Illustration 2 for finished removal.Alternative Removal at the Fuel Transfer Pump
Note: This alternate removal is only necessary when the OEM fuel supply hose does not have enough length in order to remove the tee (8).
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Install the 148-8395 Plug As (3) into the tee (8). The 148-8395 Plug As (3) contains the 9S-8005 Plug and the 3K-0360 O-Ring Seal .Note: On the 230-1338 Fuel Lines Fitting Gp, use the 9S-8004 Plug and the 033-6042 O-Ring Seal .Removal at the Fuel Filter Base
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Remove the hose assembly, the clip, and the valve (4) .
Remove the tee (5) .
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Reinstall the elbow (6) to the fuel filter base (7) .Alternate Removal at the Fuel Filter Base
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Note: It is also acceptable to use a 7W-7381 Outlet Fitting and a 033-6042 O-Ring Seal (8) .