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ENGINE AR-COMPLETE 1246744 - Caterpillar

1246744 ENGINE AR-COMPLETE Caterpillar parts 3406E ENGINE
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Caterpillar 1246744 ENGINE AR-COMPLETE

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TRUCK ENGINE  3406E   Caterpillar
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Illustration 1. The 6V3100 Diesel Timing Indicator GroupThe 6V3100 Diesel Timing Indicator Group is made up of the indicator and the components which follow. The components in the list are available for parts service.
The tee adapter group is installed in the No. 1 cylinder injection line. The line is extended only 8 mm (.3") which keeps line bends to a minimum and permits fast installation. The injection transducer "reads" the rpm (250 to 4000) with accuracy of 12 rpm.
Illustration 2. Installation of transducer and adapters in fuel injection pump.A magnetic transducer is installed in the TDC hole in the flywheel housing on 3300 and 3400 Series Engines or in the timing hole in the camshaft drive gear for 3208 Engines. The magnetic and injection transducers together "read" the timing to the nearest 0.1° from 0° to 60° before top dead center, with typical accuracy of 0.20°.
Illustration 3. Installation of transducer and adapter in flywheel housing.The 6V3100 Diesel Timing Indicator Group needs 11 to 40 volts direct current at 0.1 amperes to operate. It can get its power from any 12-, 24- or 32-volt vehicle electrical system, or, for applications where the engine has no electrical system, two 6-volt lantern batteries connected in series.
All cable assemblies used in the indicator group are approximately 5.5 m (18 ft) long, and their connections will work only one way. Wrong connections, including polarity for power, are not possible.
In the operator's compartment, the indications are given on a liquid crystal display (LCD) for the serviceman.
The 3.2 kg (7 lb) indicator group is calibrated (adjusted) by the dealer with a 5P9698 Calibrator when an internal calibrator shows it is necessary.
Troubleshooting the 6V3100 Diesel Timing Indicator Group is easy. A single circuit board can be repaired at most electronic repair shops. Electronic service information will be given in a future Special Instruction. If desired, the indicator group can be sent for repairs, to:
Snap-On Tool Corporation
Midwest Service Center
6527 28th Avenue
Kenosha, Wisconsin 53140
Telephone: 414-656-5499
Special Instruction, Form No. SEHS7742 has complete instructions for use, adjustment and dealer maintenance of the 6V3100 Diesel Timing Indicator Group.
The July 9, 1980 Engine News article, "Timing Groups To Be Canceled," on page 4, told you the 1P3500 Timing Group was canceled and the 2P8280 Timing Group will be canceled. The 6V3100 Diesel Timing Indicator Group is the replacement for both of those groups. Add this information and a reference to this article in the July 9, 1980 Engine News.

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