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Need Some Instructions...318 50" Deck


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#1 coopduc OFFLINE  

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Posted May 07, 2012 - 06:18 PM

So I installed a new to me mower deck and I want to make sure it will cut evenly. Neither the operator's manual nor the tecnical manual have any section about deck adjustments. Is it as simple as making sure the bottom of the deck is parallel with the ground, or is there more too it than that? I assume there is ..?
Advise welcome. thanks

#2 kansasjohndeere OFFLINE  

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Posted May 07, 2012 - 06:48 PM

You need the owners manual for the mower deck. Here is the procedure... Adjusting mower side to side.
1. Move tractor and mower to a level surface.
2. Lower mower until the bottom of mower deck is approzimately 3in. from the ground. Mower wheel must not be on the ground.
3. Stop the engine, remove key and engage park brake.
4. Lift and hold discharge chute back with tape.
5. Turn outer mower blades parallel with front axle.
6. Measure distance from each outer blade tip to ground. The blade height must be equal within 1/8 in.
7. For belt driven mower, adjust side to side as follows
a. Loosen nut on left adjustable lift strap.
b. Turn nut to either lift or lower left side of mowr.
c. Check distance, Adjust if necessary.
d. Tighten nut against bracket.

Adjusting Mower Front to Rear.

Turn the outer mower blades on right and left side to point straight forward.
Measure distance from both rear blade tips to floor
Rear measurembet must be 1/8 in. more then front measurement.

Hope this helps............KJD
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#3 coopduc OFFLINE  

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Posted May 07, 2012 - 07:55 PM

This is exactly what I needed. Thanks much !!

#4 Alc ONLINE  

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Posted May 07, 2012 - 08:02 PM

Rear measurembet must be 1/8 in. more then front measurement.

I don't think I've ever checked anything other then side to side .I'm going to now front to rear too thanks ,Al

#5 Ron White OFFLINE  

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Posted May 07, 2012 - 08:17 PM

I think the most overlooked things is tire air pressure.

With unequal tire pressures the tractor can and will squat or lean in turns and also lean more when the soft tire is on the downhill side and leave a very uneven cut.

This needs to be done before adjusting the deck to get the best cut possible.

#6 hdg4400 OFFLINE  

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Posted May 07, 2012 - 10:01 PM

Hey coopduc:

My version of the 50" deck Operator's Manual has instructions for leveling the deck. It does refer you to the Tractor manual for setting tire pressures. I just did the leveling last week.

I can send you the Deck manual, if you want me to.
  • coopduc said thank you

#7 coopduc OFFLINE  

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Posted May 08, 2012 - 06:19 AM

hdh: a copy of the deck manual would be great. thanks!

#8 coopduc OFFLINE  

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Posted May 12, 2012 - 09:20 PM

Just to close the loop, after dialing in the deck per kansas' and hdh's info above, I'm happy to report it cuts like new! Nice even cut with no scalping or uneven rows. The lawn will look great for mother's day! When mama's happy, everyone's happy!! Thanks again guys for the great advise.




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