AIR CONDITIONER GP 3617988 - Caterpillar

Remove connector (1) and hose assembly (2) from the fuel transfer pump (3). Refer to Illustration 1. Retain these parts for the reinstallation.
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Outlet fuel line (fuel transfer pump to secondary fuel filter) (4) Adapter (5) Tee (6) Elbow (7) Hose assembly
Remove adapter (4), tee (5), elbow (6), and hose assembly (7) from the fuel transfer pump (3). Refer to Illustration 2. Retain these parts for the reinstallation.Note: Modifications to the tools may need to be made in order to reduce interference with engine components. Refer to Illustration 3.
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Modified 2P-5494 crowfoot wrench
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(3) Fuel transfer pump (8) Bolt (9) Bolt (10) Washer (11) Adapter (15) HEUI pump (21) Clip
Remove the bolt (8) and the clip (21) from the top of the fuel transfer pump. Refer to Illustration 4.
Remove the bolt (9) and the washer (10) from the bottom of the fuel transfer pump (3). Refer to Illustration 4.
Remove fuel transfer pump (3). Refer to Illustration 4.
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(12) 45 ° adapter (13) Hose assembly (14) Straight connector (15) HEUI pump
Remove hose assembly (13) from 45 degree adapter (12) and straight connector (14) by using removal tool (A). Refer to Illustration 5.
Remove 45 degree adapter (12) from the HEUI pump (15). Remove straight adapter (14) from the cylinder head. Discard the parts. Refer to Illustration 5.Installation of the Engine Oil Lines Group
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(16) 247-3755 Tube As (17) 6V-8636 Connector (18) 221-3494 O-Ring Seal (19) 214-7568 O-Ring Seal (20) 6V-8724 Elbow
Apply a light coat of oil to the O-rings (18) and (19) during installation. Install the O-ring (18) on the connector (17). Install the O-ring (19) on the connector (17). Thread the connector (17) into the port on the cylinder head by hand. Refer to Illustration 6. Tighten to 48 + 5 N m (35 + 4 lb ft).
Apply a light coat of oil to the O-rings (18) and (19) during installation. Install the O-ring (18) on the elbow (20). Install the O-ring (19) on the elbow (20). Refer to Illustration 7.
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(17) 6V-8636 Connector (18) 221-3494 O-Ring Seal (19) 214-7568 O-Ring Seal (20) 6V-8724 Elbow
Back off the jam nut on the elbow (20) to the top of the threads on the elbow assembly (20). Push the washer tightly against the jam nut. Check that the washer is as tight as possible. Thread the elbow assembly (20) into the port of the HEUI pump (15). Hand tighten the elbow (20) into the port of the HEUI pump until the washer is tight against the HEUI pump (15). Unscrew the elbow assembly (20) no more than one complete turn to 18 degrees. Refer to Illustration 8 and Illustration 7.
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(3) Fuel transfer pump (8) Bolt (9) Bolt (10) Washer (15) HEUI pump (18) O-Ring seal (19) O-Ring seal (20) Elbow (21) Clip
Align the tube assembly (16) with the