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Discussion Starter · #1 ·
I have a 01 Insta-act pump, acting-up. When it's cold, it has a hard time lifting the blade ( only goes up half way) and makes loud whinning noise. It angles fine. When it is run for a while the whinning noise goes away the plow works great. I checked the pick up screen and changed the fluid again with fisher fluid.
Do you think there is a sticking vavle or dirt some where in this pump?
 

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I hope you can solve the plow issue Scott. What I can tell you is what you described sounded like the trans of the Ram I traded in when it was cold. Did you hear a Krispy Kreme is going in at Cabot house Furniture complex?
 

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Did you change it with a fresh fluid? If not, give it at least a try.
 

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Sorry, I just re-read your post and you said that you changed the fluid. Did you give the plow a chance to thaw out before you changed the fluid? If not, I would give it a try. Last year I had a similar problem (with my previous 6.5' Fisher) as you described, the plow would lift very slowly, really slow. So I brought it in a heated shop overnight to let it thaw out, changed the fluid the next day and it worked good. Maybe something is icing up in the hose or fitting, so even if you changed with a fresh fluid, it could still not be allowing the fluid to flow freely. Just a thought.
 

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What was in it for fluid originally? Sounds as though there might have been some moisture in the fluid or If you were using ATF it may have been gelled thus causing the motor to really work hard to lift. Does it still make the whining sound now?
 

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Ok I bit my tongue long enough- it's starting to hurt too much so I just gotta say it.....

Did ya try any Viagra yet?


Sorry guys ! I couldn't resist- the title of the thread just hit me when I first read it!!

It does sound like there might have been some water mixed in with the old fluid- how long had it been in there before you chaged it, and more importantly- what did it look like? Was it typical ATF red- or was it cloudy? If it was cloudy I would definitely say moisture and you might have to flush the system again to get it all out- unless plowtech might have a better suggestion. I know it has been talked about previously as far as adding a little isopropyl alcohol(dry gas) to your resivoir- but I do not know how much, too much and you'll dry out your seals, too little and it would be ineffective.

Let us know about the fluid- that will help the diagnosis a little more.

Bill
 

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Discussion Starter · #8 ·
I first changed the fluid, the 1st week of November this year with Fisher fluid. It made the noise before I changed it then, after I changed it, still made the noise. I reflushed it and still doing it.

I am for now ruling out this as a problem. Any other ideas???
 

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Re: problem

what about calling fisher engineering or some place like that , that may offer free customer service , maybe they may have heard of this problem and have a solution.

good luck scott
 

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Well since we can rule that out what about what crash935 asked? Sometimes the the motor will cause this. I have heard of a few different things. 1st is take a look at the motor. Are the brushes riding on the armature squarly?? Second sometimes the noise comes from the armature where it rides in the cap. it rubs and squeals. Does it fully raise after the noise goes away? It almost sounds like the pressure relief may not be set correctly. Hard to tell without hearing the noise myself. On passenger side of valve block there will be two holes the bottom one it the pressure relief. Screw it all the way in and back out counterclockwise 2 1/2 turns. This will be about 1750psi. Sometimes these will back out on there own due to vibration.
 

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Discussion Starter · #11 ·
Plowtech, I will try those two things.
Yes the nois goes away after 1/2 hr and the plow goes up with out using Viagra. I think I got a sticky valve some where. I'm going to play with it tomorrow.
 

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Re: Re: problem

telexon said:
what about calling fisher engineering or some place like that , that may offer free customer service
Plowtech is a tech rep from Fisher.
 

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Im having a similar problem with my Western. Some of you may remember me posting about a lifting problem I was having with it a couple months ago. It would raise about halfway or so and that was it. I took it in to my local snowplow shop and they drained and flushed the system, cleaned the screen and out some new lines on and all was good. I picked it up and it worked excellent, shot right up to the top with ease. Now keep in mind, this was way before the weather got cold, or atleast before this first snowstorm. Fast forward to this first snowstorm. Im plowing and I notice the plow is doing the exact samething, going about half way up or so, sometimes less and stops. I couldnt believe it. First thing I think is screen must be dirty again. So all through the storm, it would raise good, then other times it wouldnt raise good. Then it dawned on me. The only time I was having a problem with it raising fully to the top was when there was alot of snow built up on the moldboard. That little bit of added weight, and it cant lift. I figured this out because on Sunday I think it was, or maybe Monday I had a few last minute people call me to do some plowing, now the temperature was muich warmer and the snow was not sticking to the plow at all, and the plow raised perfectly everytime. So, so far I drained the fluid completely, and cleaned the heck out of the screen and the inside of the pump area. Fluid was clean and screen had a few very small pieces of crud on it, but nothing really. I refilled and had same problem. Just to simulate the added weight of the stuck snow, I made my brother sit on the moldboard while I tried to raise the plow, now he only weights like 175, the plow will not raise with him sitting on it. Even if he just leans on it, it will not raise. I talked to a few people, and they all say, the plow should raise with ease with him sitting on it, no matter how much he weighs. So I call my local plow shop, they say the pump might be worn, or the plow motor is weak. I said well which would you think it is more? They said hard to say, and they say I have like a 50/50 shot of buying the right part, but they said probably more the inner pump, the one under the motor. So I take a ride up there, buy a new pump, and installed it with a new screen and all new fluid once again, with ram all the way down to get proper fill amount. Try it out, sme problem, if my brother leans on it, plow will not raise. I call them back, they say, maybe the motor is weak and explains to me that he said about the 50/50 chance, I agree and I wasnt mad at all. I ask them if they have a motor in stock for it, he says yes, I say Ill be right over. I buy the new motor, bolt it on and give it a shot, same problem, wont raise if my brother leans on it. Now Im a little pissed off, the pump was about $149, and the motor was about $144.50, I bought another new gasket just in case I needed it. So, I have a new pump, new motor, new screen, and all new fluid, filled to the correct level and same problem. Some people I have talked to tell me it may be a pressure problem. and the pressure is adjustable? Im wondering if I can check somehow and how or where do you adjust pressure?? Left and right is fine, it angles with alot of force, I made my brother try to hold it from angling and it throws him like hes a piece of paper, but yet if he leans on it, it wont raise, it just makes a noise like your trying to make it do something it doesnt want to. I know this is the Fisher forum and not the Western forum, but just thought Id add to SLP's story with my story. Very similar. By the way, my plow is a 1993 Western Uni Mount 7.5' Pro Plow. Any ideas on what else to do? Do we all agree atleast that the plow should infact be able to raise with someone sitting on the moldboard?? Mike :confused: :confused:
 

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Discussion Starter · #14 ·
Mike, have you tried ti adjust the quill ?
My problem I think is there is something stuck in one of the cartridges or in the manifold it self. I don't know which cartridge it is out of the three. I also can't get in the parts diagram the fisher site to tell me that one of those cartridges is for up and down.
 

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Yes- he adjusted teh quill, new fluid, changed the pump, motor, cleaned the filter, etc...
Down to crossover valve, poppet valve, or bad solenoid.

My vote is bad solenoid- I don't think it's opening all the way and is allowing the pressure to bleed back and not allow the pump all the way up.

Bill

Oh- btw I just read a post that Garagekeeper helped LGF slve two separate problems, so I'm going to refer mike to him- I tried to help tonight but couldn't get the info out of Adobe and over to him.
 

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Have you checked the electrical system yet?
First storm I was having a hard time with my old Western raising. It would really dim the headlights and raise real slow. It really seemed to put a huge load on the electrical system.
Since I have never replaced the motor I pulled it apart and had it rebuilt for $40.00, new brushes cleaned up, ect. I reinstalled the motor and did the exact same thing.
I started cleaning cables and tightening connections. Still no luck. I pulled both batteries charged them good and load tested them. Both seem to be junk.
Went and picked up an Optima red top and had great luck last storm.

Just a thought,
Mark K
 

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Are you talking to me? :D If so, yes, electrical system is fine. All connections are fine, alternator is new, battery is new. Its not that kind of problem. It raises fine with no added weight. It shoots right up to the top with great speed and power, then someone leans on it, it cant go, lol, funny as hell. Yes, I backed off on the quill, just as a shot, and it didnt matter. I knew it wouldnt help, but I tried it anyway, then I put it back where it was. I dont have it adjusted that far in anyway, I just didnt like the plow slamming the ground so hard that it literally bounced up and down once, haha. Now it gives the ground a decent slam, but doesnt bounce up and down. John (GarageKeeper49) is gonna call me up at my shop tomorrow and walk me through a few things to check. If it doesnt get fixed with him helping me, no one in the world can fix it, lol!! :D Im still waiting for an answer from you guys for my last question. Do we all agree that the plow should raise with someone sitting on the moldboard trying to hold it down? Should it raise easily?? Mike :)
 

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Scott,the valve your looking for is on the far right(out of the 3)when standing behind the plow,unhook the 2 wires to the coil and take the valve out of the block,inspect the o-rings and look for obvious damage,the apply 12 volts to the 2 terminals,(hot and a ground)you can't hook them up wrong,it will work either way,you should see the spool move inside the valve each time you touch it with 12 volts.
I would also check your pump pressure relief valve adjustment,it's on the right side of the pump looking from behind,you can acess it thru a hole in the pump mounting bracket on the headgear,it's the smaller hole and uses a slotted head so you can adjust it with a screwdriver,turn it clockwise till it stops,then back it out 2 1/2 turns.


Mike,your pump adjustment should be on the pump itself inside and should have been pre-set from the factory.Try loosening the headnut on your lift cylinder and then coat the rod with hydraulic fluid and run it up and down and retighten the nut but only a quarter turn after it "seats" itself,not to tight,I'm sure John will starighten you out though.
 

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Yea, is that pump adjustment also known as the pressure relief adjustment, or pressure relief valve?? Is that the same screw that was talked about above about on the Fisher? Screw it all the way in, abd back it out 2 1/2 turns to be right at or about 1750psi?? Or is it different on a Western? Mike :confused:
 

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Discussion Starter · #20 ·
Well I took every thing apart and found some corrosion on the cartridge were thecoil rides. Cleaned it up and put dialelectric grease. Put 12 volts to make shure it worked. Went out this morning,plow went up with out a problem but still made the noise the first time up after that no noise.
 
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