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Messages - damengineer

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MTZ Tractors - Current Models / 1220.4 Air conditioner problems
« on: July 02, 2019, 04:55:48 PM »
My 1220.4 A/C is blowing hot air.  The compressor high side pressure will rise to 500 lbs quickly when the switches are bypassed.  I suspect the dessicant bag in the filter drier has disentegrated.  It  probably has plugged the expansion valve.  Does anyone have a number on the expansion valve.  Ray has listings on all the parts except the expansion valve.

MTZ Tractors - Old Models (Belarus) / Re: 5 and 8 lug
« on: July 01, 2019, 11:59:30 PM »
CAn't answer as to the lugs.  I couldn't say how many my 82 has.  The mirrors from trucks will work.  Convex ones are better.  When they get bumped  you can still see where you need to.  Regular mirrors are a pain to keep focused.  I have bought some really good mirrors from Sportsman's guide ex military ones. 

Maintenance - Service & Repair / Re: Belarus 820 transmissiom problem
« on: June 08, 2019, 10:55:25 AM »
You did nt specify whick high/low was out of gear.  If it is the one on the gearshift, then  I always pull or push the shift lever into the desired gear and let out the clutch to make sure it is fully engaged.  You can tell by the engine or trans noise.  Then I put it into the desired gear for work.   If you are talking about the high low 25% reduction on the little lever in the floor, I have had this one slop out due to mud and junk built up under the pedal lever....Hope this helps.  Rarely is there any real damage inside the transmission.  I believe that geabox could easily handle over 100 hp....

MTZ Tractors - Old Models (Belarus) / Re: 822 vs 825
« on: June 08, 2019, 10:44:27 AM »
my tractor looks just likie the one in the picture and has 825 on the hood.  I am the 3rd owner..

MTZ Tractors - Old Models (Belarus) / Re: 98 belarus 2045 4x4 issues
« on: June 08, 2019, 10:43:02 AM »
Any report on what was found???

MTZ Tractors - Current Models / 3 point hitch Cat dimensions
« on: June 08, 2019, 10:38:29 AM »
My 1220.4 has cat 2, 3 point hitch.   The distance between the lower links is supposed to be 32.48 in according to ASAE specs.  When the arms are spread to 32.48in, the arms are so slanted due to the narrow distace between the lifting arms at the top deck.  This causes a bind when raising sometimes enough to release the quick connect on the balls, and also when I use the hydraulic top link to grade with my box blade.  I bent a 1-1/8 in dia pin in the quick attach frame due to this binding..  The lower lift arms need to be off set more to allow a wider distance for cat 2 equipment.   this is a cat 2 tractor,  CAt 1 implements are not robust enough to hold up to this tractor.. 

I have emailed Arie a couple of times about this.....  I question if the tractor has the correct lower arms perhaps these should be on a lower horsepower model.   They are heavy enough for this tractor..  If the factory has no modifiction available, thei I have no choice but to widen the offset on the lower lift arms.  The method that immediately comes to mind is to cut the arms behind the offset and weld in a spacer block of 1in solid steel or more whatever is needed to create a lift arm that is perpendicular with the axle centerline when expanded to cat 2 dimensions. 
 I have attached a crude schematic as to what is occurring when the arms are spread to cat2 dimensions.

MTZ Tractors - Current Models / Update on 1220.4 Clutch shudder
« on: January 16, 2019, 09:08:40 AM »
My 1220.4 has about 200 hours on it now, and the clutch  that was repaired, is now slipping.  This is not due to anything MTZ or the mechanic who repaired it for me did.  This is due to the mechanic who left out the pilot bearing in the flywheel not installing the Button style cerametallix clutch disks.  Using the tractor for normal operations and moving hay bales to feed cattle has caused the woven linings that were for a tractor of 1/2 the horsepower of this tractor to slip.  I have made adjustments, but in addition as the clutch gets hot from working, it drags excessively creating a lot of gear crashing when using the range revese shifter. 

When the weather clears up so that I can let this tractor go into the shop, we will get this fixed.   

Thanks to Arie and all of MTZ for stepping up to agree to supply a complete clutch disk and pressure plate assembly. 

MTZ Tractors - Current Models / Re: New mtz reviews
« on: January 16, 2019, 08:57:16 AM »
My 1220.4 now has nearly 200 hours on it.  If there was a retrofit for a F/R shuttle It would be well worth it.  Matching Forward and Reverse speeds requires a lot of shifting, and that range/reverse gearbox is a pain to shift if over 1000 RPM.  This may be due to drag from incorrect clutch the former dealer installed.  Why it was installed we will never know. 

The other concern I have is the Voltage Convertor used to charge the auxiliary battery.   The 24V start cannot be beat in cold weather.  However, on mine,it appears the aux batttery is not being charged when the lights or fan is on.   I have forwarded a drawing and picture of the way I would reconnect the charging system with a 24V alternator.  If anyone has had this experience I wold like their opinion.  This is the way we used to change over the old John Deere 24Volt stat 12V run tractors.

MTZ Tractors - Current Models / Re: New mtz reviews
« on: January 01, 2019, 01:20:13 PM »
I have no compliants about the way my 1220.4 handles round bales feeding cattle.  The gearshift options for F/R shuttle is not the best situation for speed of moving material.   See my post on 1220.4 clutch problems..

MTZ Tractors - Current Models / Re: 1220.4 Clutch adjustment
« on: January 01, 2019, 01:17:45 PM »
The tractor was split back in January 2018 and found to be missing the pilot bearing.  The first dealer had  resurfaced the flywheel and other work on the clutch.  Exactly what was done is a mystery.   The clutch is a dual plate clutch with traditional fiber linings on the disks.  The problem is when working the tractor with the loader after 30 minutes the clutch drags and makes shifting  the non-synchronized gearbox a real pain.  Also when engaging the clutch, it feels like it does not really take hold for a few feet.  Also the free travel is less when hot than cold.
I have not had this problem in my 50+ years.  However, I worked with Asbestos linings and the last few clutches I replaced had either Cerametallic buttons or NOS asbestos linings.  Most of the newer linings are Kevlar,  Does Kevlar swell when hot??   The factory is going to think I am a habitual complainer, but the way the gears are arranged, reverse is 1/2 the speed of forward no matter what gear arrangement you try to use.   I have to shift 2 levers to get close to the same forward and reverse speed when using it to load hay.  The reverse/range gearbox  is not synchronized.  When hot the drag on the gears require shifting the synchronized 4spd gearbox into neutral before shifting the reverse/range lever then shifting the gearbox.   I suppose I am spoiled to the F/R shuttle on the TS110 New Holland money pit. I attached a pdf of the operators manual showing the gearshifts.

MTZ Tractors - Current Models / 1220.4 Clutch adjustment
« on: December 29, 2018, 10:25:41 PM »
I have to adjust the dual plate clutch on the 1220.  I was moving a loot of hay and under a deadline Christmas Morning!!  I was using it in Reverse 1st gear high range and Forward 1st gear high range.  The clutch must have slipped some when starting forward as it is now slipping after 60 bales.  Adjusting the clutch by the  methond in the owners and disassembly manual is not so straightforward.  This clutch is different from the dual plate clutches I am used to.. 

Member Introductions / Re: Hello from Finland
« on: September 08, 2018, 10:11:33 PM »
Welcome to the forum.   Your english sounds fine to me.  I am from Oklahoma.  Everyone up north or on the coasts think that I am from a foreign country.  If I leave Oklahoma, Arkansas, Texas, or Kansas, I have to talk real slow....
Which tractors do you have??  I have an 825, 8345, and a new 1220.4

Member Introductions / Re: Hello form New Brunswick
« on: September 08, 2018, 10:07:28 PM »
Welcome to the forum.  We have a lot of questions on the 400 series.   Good to have someone with experience on them....  I have an 825, 8345, and a 1220.4

Member Introductions / Re: Newbie here from Saskatchewan
« on: September 08, 2018, 10:06:02 PM »
You are so lucky that you did not get that Deutz.  Parts for Deutz since AGCO bought them are pure unobtanium here in the lower 48.  That 5370 ( I think) is the same frame as my 8345.  A good solid tractor.  If you are going to handle round bales, make sure you have water ballast in the rear tires, or get a bale spilke on the rear and put a bale on the spike before handling one on the loader. 

if you cannot turn the engine over with a 3ft bar on the crankshaft nutyou are going to have a lot of broken engine parts.  I speak from experience.  Try mixing acetone with Marvel mystery oil 50/50 and  flooding the cylinders with the injectors out.  Head gaskets are not that expensive.  metal parts are....

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