7040 power directer
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=208568
Printed Date: 23 Oct 2025 at 10:39am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: 7040 power directer
Posted By: waltw
Subject: 7040 power directer
Date Posted: 18 Oct 2025 at 10:09am
When first started it will not move in low.
In first gear low range with high held down it will pull along but it takes a few minutes to for high to actually lock in, once it will fully ingage in high I can shift
To higher gears and it will and work in high but still want move in low.
After 15 minutes or so it will start
Working in low . Will work normal the rest of day. I can apply brakes and load it down in low and high, clutches dont slip.
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Replies:
Posted By: DrAllis
Date Posted: 18 Oct 2025 at 4:53pm
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Where exactly are you checking the oil for the transmission ??
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Posted By: Lynn Marshall
Date Posted: 18 Oct 2025 at 7:43pm
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The transmission oil pressure light can be used to diagnose power director leakage, if it's working.
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Posted By: waltw
Date Posted: 22 Oct 2025 at 4:24pm
Well with it not working right I check it every time I use it try keep it close to or on full on dip stick under seat coming up through floor deck.
No indicator light does not work.
I rigged up a gauge into plug on top of valve.
Shows 170 psi when warmed up.
195 to 205 is normal according to tech manual I have.
Also noticed when it starts working in high before low works that low button is spongy after low starts working low button feels normal
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Posted By: DrAllis
Date Posted: 22 Oct 2025 at 4:57pm
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Your gauge should be where you can see it. I think you are low on oil and the gauge would show that. Slide the seat clear back and look at both sides of the dipstick when checking. I'd probably add 2 gallons and see what happens.
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Posted By: waltw
Date Posted: 22 Oct 2025 at 8:31pm
Posted By: DrAllis
Date Posted: 22 Oct 2025 at 8:34pm
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When's the last time the suction screen was cleaned down low ??
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Posted By: waltw
Date Posted: 22 Oct 2025 at 9:39pm
Five or six years ago pulled cover off and cleaned was not clogged put fresh oil in new filter between left frame rail and engine.
I haven’t used it a lot in the last five years maybe 50 hr/yr. Probably done 120 hr over last five weeks.
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