SEAL GP-CRANKSHAFT 1783899 - Caterpillar

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Place fuel injection line (13) on top of 5P-7435 Adapter (11). Install 5P-7437 Adapter (7). Tighten the adapter to a torque of no more than 40 N m (30 lb ft).
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Timing hole location (starting motor is not mounted) (14) Plug.
Remove the plug (14) from the flywheel housing. Install transducer adapter (5) into the hole that is remaining from the plug's removal. Tighten transducer adapter (5) only by a small amount.
Push magnetic transducer (3) into transducer adapter (5) until this adapter contacts the flywheel. Pull the magnetic transducer (3) out of the transducer adapter by 1.5 mm (0.06 inch). Then, lightly tighten the knurled locknut.
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Transducer in position (starter not mounted) (3) 6V-2197 Magnetic Transducer .
Connect the cables from the magnetic transducer (3) to 8T-5250 Engine timing indicator (1). Calibrate the indicator, and make any necessary adjustments.Note: See Special Instruction, SEHS8580 for more information on the calibration procedure.
Start the engine, and allow the engine to reach operating temperature. Then, run the engine at approximately one half throttle for eight to ten minutes. After this amount of time, measure the engine's timing.
Run the engine at increments of 100 rpm between 1000 rpm (base rpm) and high idle. Record the readings for engine timing, and then plot these readings onto a graph.Note: Use smaller increments to pinpoint the times when the timing advance starts. You can also use smaller increments to pinpoint the times when the timing advance stops.
If the automatic timing advance is not correct, repair the automatic timing advance unit, or replace the automatic timing advance unit. There is no adjustment to the unit.Fuel System Adjustments (On Engine)
Camshaft Timing for Fuel Injection Pump
Table 3
Tools Needed    
6V-4186     Fuel Pump Timing Pin     1    
Position the No. 1 piston at the top center position on the compression stroke. Refer to "Finding The Top Center Position For No. 1 Piston".Note: A 1P-3566 Hex Bit 9/16 inch cut to a length of 25.4 mm (1.00 inch) can be used to remove the plug from the front end of the injection pump housing.
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Remove the timing pin plug (typical example) (1) Timing pin plug.
Remove the plug at the front end of the fuel injection pump housing.
Install 6V-4186 Fuel Pump Timing Pin (end with taper) through the hole in the injection pump housing.
If the timing is correct, the timing pin will go into the notch in the camshaft and the timing bolt will turn into the threaded hole in the flywheel. If the timing is NOT correct, the timing must be changed.Note: If the timing is correct, BE SURE TO REMOVE THE TIMING PIN AND BE SURE TO REMOVE THE TIMING BOLT.If the timing was NOT correct, remove the timing pin. Use the procedure that follows to change the timing.
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Access cover to automatic timing advance unit (typical example) (2) Cover.
Remove cover (2) that covers the four bolts of the automatic timing advance unit.
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Automatic timing advance unit (typical example) (3) Bolts. (4) Automatic timing