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ENGINE AR-COMPLETE 1399871 - Caterpillar

1399871 ENGINE AR-COMPLETE Caterpillar parts C-10 ENGINE
Alternative (cross code) number:
Caterpillar 1399871 ENGINE AR-COMPLETE

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Compatible equipment models: 1399871:

TRUCK ENGINE  C-10   Caterpillar
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Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A(1) 9U-6198 Crankshaft Turning Tool 1
A(2) 9U-7336 Housing 1
5P-7305 Engine Turning Tool 1
B 230-6284 Timing Pin (Camshaft) 1
C 230-6283 Timing Pin (Crankshaft) 1
D - Puller 1
E - Bolts (M10 x 1.50 by 130 mm) 2
(1) The Crankshaft Turning Tool is used on the front pulley.
(2) This Tool is used in the aperture for the electric starting motor.Start By:
Remove the front cover. Refer to Disassembly and Assembly, "Front Cover - Remove and Install" for the correct procedure.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Dispose of all fluids according to local regulations and mandates.
Note: Either Tooling (A) can be used. Use the Tooling that is most suitable. Care must be taken in order to ensure that the fuel injection pump timing is not lost during the removal of the front gear group. Carefully follow the procedure in order to remove the gear group.
Use Tooling (A) in order to rotate the crankshaft so that number one piston is at top dead center on the compression stroke. Refer to System Operation, Testing and Adjusting, "Finding Top Center Position for No.1 Piston" for the correct procedure.
Install Tooling (C) through Hole (Y) in order to ensure that the crankshaft is in the correct position. Note: Do not use excessive force to install Tooling (C). Do not use Tooling (C) to hold the crankshaft during repairs.
Illustration 1 g03678415
Illustration 2 g03722965
Illustration 3 g03722967
Install Tooling (B) through Hole (X) in camshaft gear (3) into the front housing to ensure that the camshaft is in the correct position.
Remove Tooling (B) and Tooling (C). The timing marks are now aligned as shown in Illustration 2 with the keyway 43 degrees from the center line of the fuel injection pump.
Rotate the crankshaft in order to reposition the fuel pump injection pump timing as shown in Illustration 3, with the keyway 88 degrees from the center line of the fuel injection pump. Note: The fuel injection pump is now in the natural rest position.
Illustration 4 g03722971
Make temporary marks on gear (3), gear (4), and gear (5) in order to show alignment. Note: Identification marks will ensure that the gears can be installed in the original position.
Loosen nut (6) for fuel pump gear (5).
Install Tooling (D) and Tooling (E) into the two threaded holes in fuel pump gear (5). Tighten Tooling (D) and Tooling (E) until fuel pump gear (5) is released.
Remove Tooling (D) and Tooling (E) from fuel pump gear (5).
Remove nut (6) and spring washer (7) (not shown) from fuel pump gear (5). Remove the fuel pump gear.

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