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rw 
Silver Level
Joined: 28 Oct 2009
Location: United States
Points: 384
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 Topic: Power Director 7045
Posted: 29 May 2011 at 12:02pm |
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I bought a real late model 7045 this spring to cover for the 7060 Power shift that we are rebuilding. I used it to mow some hay and after an hour or so the Trans Pressure light would flicker. It flashes when you use the clutch or shift the P/D which I understand to be normal. Not sur ewhat to thinl.
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michaelwis
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Joined: 12 Sep 2009
Location: Wi
Points: 8765
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Posted: 29 May 2011 at 12:07pm |
 rw wrote:
I bought a real late model 7045 this spring to cover for the 7060 Power shift that we are rebuilding. I used it to mow some hay and after an hour or so the Trans Pressure light would flicker. It flashes when you use the clutch or shift the P/D which I understand to be normal. Not sur ewhat to thinl. |
Happened all the time on my 7040 , w o any problems
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WD WD45 DIESEL D 14 D-15 SERIES 2 190XT TERRA TIGER ac allcrop 60 GLEANER F 6060 7040.and attachments for all Proud to be an active farmer
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ncrc5315
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Joined: 10 Sep 2010
Location: Nebraska
Points: 68
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Posted: 29 May 2011 at 1:17pm |
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Replace the transmission and differential filters, the light shouldn't flash above 1800 rpm.
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Orange Blood
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Joined: 29 Nov 2010
Location: ColoradoSprings
Points: 4053
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Posted: 29 May 2011 at 1:24pm |
The wire leading to the sending unit, is also known to get shorted to the chassis, and the early stages of a short is an intermitant short. I would put a set of test guages on it, to veryfy what you are seeing, but the light is there for a filter reminder as well.
HTH
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Still in use:
HD7 WC C CA WD 2-WD45 WD45LP WD45D D14 3-D17 D17LP 2-D19D D19LP 190XTD 190XTLP 720 D21 220 7020 7030 7040 7045 3-7060
Projects: 3-U UC 2-G 2-B 2-C CA 7-WC RC WDLP WF D14 D21 210 7045 N7
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DrAllis
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Joined: 12 Sep 2009
Points: 21100
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Posted: 29 May 2011 at 1:28pm |
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With hot oil the lube light will stay on more and will flash more often. With these tractors being 30 years old and the transmissions gerotor pump not being 100%, you'll have some lube pressure lights that may stay on above 1800 rpm with HOT oil.....cold oil and the light goes off like it should. Keep the transmission full of oil and you'll be fine. Many tractors the light doesn't even work because the bulb is burned out !!!
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MACK
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Joined: 17 Nov 2009
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Posted: 30 May 2011 at 8:16am |
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Remember 1800 on tack might only be 1600 on engine because alt pully wears belts wear. The alt. being the smaller of all the pulleys, a little wear will cause the alt. to run faster causing the tack to show more RPMs. MACK
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Hurst
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Joined: 11 Sep 2009
Location: Midway, Ky
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Posted: 30 May 2011 at 11:03am |
Just out of curiosity, why was the 1800 mark chosen for the light? I know it's the same for my 7000 which has a completely different hydraulic set up. Was it just chosen to be a number a little under rated rpms?
Hurst
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1979 Allis Chalmers 7000
5800 Hours
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rw
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Joined: 28 Oct 2009
Location: United States
Points: 384
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Posted: 30 May 2011 at 9:05pm |
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Thanks for all the wisdom. We won't sweat it too bad just do the maintenance things mentioned. The Light for the filter on my Power Shift tractor would flash on at times and never caused a problem. I found the culprit when we removed the Fuel tank on the left side and found the wire rubbed/pinched. RW
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