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BLOCK 1C3887 - Caterpillar



1C3887 BLOCK Caterpillar parts BLOCK
Rating:
21
Alternative (cross code) number:
CA1C3887
1C-3887
1C3887
Caterpillar 1C3887 BLOCK
Weight: 35 pounds 15 kg.

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Replacement Of 6V4176 Display Unit
If one or more segments do not show the correct reading on the 6V4176 Display Unit for RPM at location (A) or DEG at location (B), the problem is most likely with the display unit at either location. Be sure to check for a good connection for each display unit. Use the procedure that follows to remove a display unit. 1 Remove the six screws (1) from front panel (2), and remove panel (2) from case (3).2 Remove the four screws (4) from the PC board, and also remove the locknuts from the two front panel switches (5) and (6). 3 Carefully lift front panel (2) from PC (printed circuit) board (7).4 To remove either display unit, (A) or (B), use a screwdriver as shown, and carefully remove the unit from its position in the PC board. Before the removal of either display unit, look carefully in the area of location (C), for some type of identification mark on the display unit and on the PC board. This needs to be done to make sure that at time of installation, the display unit will be installed correctly. At installation of a display unit, be very careful and make sure the pins on the display unit are in alignment with the socket holes.Replacement Of 6V4179 Digital Voltmeter Integrated Circuit
If one or more segments of either 6V4176 Display Unit, RPM or DEG [location (A) or (B)] do not work, see REPLACEMENT OF 6V4176 DISPLAY UNIT. After a display unit has been checked and/or a replacement installed and there is still a problem; or, if one display unit is completely blank while the other one works normally, the problem can be with a 6V4179 Digital Voltmeter (DVM) Integrated Circuit. There are two 6V4179 DVM Integrated Circuits in each 6V3100 Timing Indicator. 1 Remove six screws (1), then remove panel (2) from case (3). 2 Use the hook end of 5P1720 Seal Pick (4) and carefully remove the DVM integrated circuit, (5) or (6), as shown. [Use the notch at end (A) of the DVM as a reference mark to be used at time of installation.] At installation of a DVM, put the reference mark, as given in step 2, in the correct location. Also, be sure that the pins on the DVM are in alignment with the holes in the socket.Parts And Repair Service Information
When one of the parts used with the timing indicator group is to be returned for a repair or warranty service, always give the following information: 1. Description of the type of problem.2. Where to send part after repair.3. Serial number (if applicable).4. Person the part should be sent to.5. Billing address if different than shipping address.6V3100 Engine Timing Indicator Group
For electronic repair of the timing indicator group, see Special Instruction Form SEHS8135.For warranty or repair work for the 6V3100 Engine Timing Indicator Group (except for 6V2192 Injection Transducer, 6V2197 Magnetic Transducer, or 6V7910 Injection Transducer) send the indicator group to:Snap-On Tool Corporation
Midwest


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