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Old 03-22-2018, 04:37 PM   #1
Bus Nut
 
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Join Date: Jul 2017
Location: Huntington beach
Posts: 617
Year: 1991
Coachwork: Bluebird
Chassis: T/C 2000 28 foot Handy Bus
Engine: Cummins 5.9 Mechanical
Rated Cap: 2
Tach replacement

My 0 to 4000 rpm tach with an optical pick up has failed. It is a 12 volt model out of a 91 tc2000
cummins. 5.9
The optical sensor is fine the tach after bouncing for a few hours stuck at 1000 rpm
Any suggestions?
Have a couple of pictures will post when I get home
Thanks
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Old 03-22-2018, 06:23 PM   #2
Bus Nut
 
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Join Date: Jul 2017
Location: Huntington beach
Posts: 617
Year: 1991
Coachwork: Bluebird
Chassis: T/C 2000 28 foot Handy Bus
Engine: Cummins 5.9 Mechanical
Rated Cap: 2
tach pics

here we go
Attached Images
File Type: jpg 20180322_121650.jpg (179.5 KB, 9 views)
File Type: jpg 20180322_121705.jpg (195.0 KB, 8 views)
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Old 03-23-2018, 12:15 AM   #3
Bus Geek
 
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Join Date: Mar 2011
Location: Houston, Texas
Posts: 8,462
Year: 1946
Coachwork: Chevrolet/Wayne
Chassis: 1- 1/2 ton
Engine: Cummins 4BT
Rated Cap: 15
Check out "Tiny Tach" for diesels.
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Old 03-24-2018, 10:37 AM   #4
Bus Nut
 
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Join Date: Jul 2017
Location: Huntington beach
Posts: 617
Year: 1991
Coachwork: Bluebird
Chassis: T/C 2000 28 foot Handy Bus
Engine: Cummins 5.9 Mechanical
Rated Cap: 2
Thanks Tango, cool little item but being an old aircraft instrument repairman I gotta go analog.
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Old 03-24-2018, 10:46 AM   #5
Bus Geek
 
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Join Date: Mar 2011
Location: Houston, Texas
Posts: 8,462
Year: 1946
Coachwork: Chevrolet/Wayne
Chassis: 1- 1/2 ton
Engine: Cummins 4BT
Rated Cap: 15
I would much rather stay all analog myself but installation on the tiny tach unit is so much simpler I decided to be lazy on that one.
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