Posted by Texasmark1 on September 20, 2017 at 18:53:36 from (99.197.190.172):
In Reply to: CCM 165 Drum Mower posted by Tooler969 on September 20, 2017 at 07:19:59:
I have a Agromaster DM 3075, 6' 2 drum cutter made in Turkey. Most of these drums appear to be of the same basic design so I would assume what I am about to say should pretty well fit your machine with minor changes even though they are from different mfgrs.
The following assumes the mower is in the mow position when you mount it. It could be accomplished in the transport position but you'd have to extrapolate the differences in directions I mention herein, in particular the left and rights.
The slot in the upper link, which is directly behind the 3rd member of the 3 pt connection is for mowing on slopes. The slot allows the mower to tilt up or down with respect to the position of the tractor when the locking/parking bar is flipped back out of the way. I think 15 degrees is the number for mine.
When you approach the mower to mount it, the locking bar should be flipped over so that it locks the roller at the far right (while standing at the rear of the tractor looking at the unit) to allow for lifting the whole platform with the 3 pt for transport or parking. If not it makes it very difficult to get the unit mounted. The leveling box on one of the 3 pt arms has to be significantly mal-adjusted to get your mounting pins in the 3 pt lift arms....adjustments which you will have to remake as mentioned below.
The length of the bar you speak of that you want to replace at the end is not all that critical because the position of the 3pt can be varied to compensate for any errors in dimensions:
Assume you got it mounted and can transport it. Get the tractor and mower on flat, level ground uniform to both tractor and mower. Leave it running to operate the hydraulics.
Level the 3 pt. (left to right looking from the rear of the implement toward the tractor) with the leveling box mounted on one of the lifting arms of the tractor. Lift the 3pt slightly to take the pressure off the locking bar so that you can flip it out of the way and then lift the 3 pt till the bearing that rides in the slot is centered....space on both sides of the bearing for it to move left or right.
Get out/off of the tractor and go to the left side (street side) looking at it and at the vertical position of the mower. It should be vertical to the tractor's attitude front to rear looking from the side. Purpose of this is to ensure that the drums are flat on the ground, not tilted forward or backwards which would cause scalping on the lowest side. If not vertical, adjust the length of your 3rd member (top link) of the 3 pt on the tractor till it is.
Look at the two drums. They should be sitting perfectly flat on the ground. With all the above accomplished, make your bar and drill the holes so that the bar will fit the mounting holes.
I used a 3x24" cylinder on mine to replace the flat bar so that I could lift my drum section to about 80 degrees vertical allowing me to transport it without having to go to the trouble of moving the drum section straight behind the tractor in the transport position, which requires the removal of the PTO drive shaft besides the other things. The yokes on the cylinder didn't fit the holes in the mower so I cut and drilled a couple of pieces of flat steel as adapters to make things fit.
On the trip function mentioned by a responder herein: On the right side, behind the right wheel of the tractor is the spring loaded trip arm which also serves as the locking mechanism to keep the mower at right angles to the tractor when mowing. The spring on it is part of the release mechanism which allows the drum section to slide to the rear about 30 degrees if an obstacle of sufficient resistance is encountered. Backing up with the mower on the ground will reset it.
On using the conventional transport position first disconnect the PTO shaft. Then the breakaway bar mentioned above is disconnected at the front so that the drum section can swing to straight behind the tractor. The easiest way to do this is to leave the drum section sitting on the ground and with the arm disconnected at the front QD pin, drive forward slowly while turning the steering to the left. The mower will follow you and line up easily. Otherwise raise the 3pt and you and a couple of 200# guys can push it to the rear into position. There is a tubular arm that fits over the mounting pin for the breakaway bar (where you disconnected it) that locks the drum in the transport position.
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