Section 5: Operating Procedures
5/24/19
DB2660 & DBM2660 Ditch Bank Rotary Cutter 316-317M
39
Field Set-up & Operation
DANGER
!
To avoid serious injury or death:
•
Tractor power take-off shaft shield, driveline shields, and
•
Rotary Cutters have the ability to discharge objects at high
•
Do not operate cutter after dark without working lights.
WARNING
!
To avoid serious injury or death:
•
Operating instructions in this manual must be carefully
•
Hydraulic fluid under high pressure can penetrate the skin
•
Do not operate cutter under any terrain conditions that
would place tractor at an angle exceeding 30 degrees either
front-to-rear or left-to-right. Make sure adequate ballast
weights are provided on both the front of tractor and left of
tractor and left-hand side of Ditch Bank Cutter to assure
tractor stability.
•
Do not operate cutter going too fast for the terrain. Slow
down if obstacles are present that the cutter can hit and jerk
the tractor around. Slow down if terrain is rough causing
tractor to bounce. Either situation can cause operator to
lose control and result in serious injury or death.
•
Do not exceed rated cutting capacity of your cutter. See
•
Buildup of debris around moving components and
•
Improper oil level can cause bearing failure and be a fire
hazard. Maintain proper gearbox oil level to avoid serious
injury and property damage.
•
Avoid catching hydraulic hoses on brush, posts, tree limbs,
and other protrusions that could damage and/or break them.
•
Some tractors are equipped with two power take-off speeds.
Be certain your tractor’s power take-off is set at the
implement’s rated power take-off speed or equipment
breakage may result. DB Series are rated for 540 rpm and
DBM Series are rated for 1000 rpm.
1.
Remove and stow transport safety chain before
extending extension arm or rotating deck down. See
“Unhook Transport Safety Chain”
2.
Extend arm cylinder and deck pivot cylinder as
follows:
Deck without gauge wheel:
a. Make certain tractor control levers are set to self-
cancel detent.
b. Extend arm cylinder until positioned as needed.
c. Extend deck pivot cylinder until deck is parallel to
the ground.
d. Lower tractor 3-point arms until deck is at its
cutting height.
Deck with gauge wheel:
a. Make certain tractor control levers are set to self-
cancel detent.
b. Adjust gauge wheel as needed.
Refer to
c. Extend arm cylinder until deck is positioned as
needed.
d. Extend deck pivot cylinder until deck is parallel to
the ground.
e. Lower tractor 3-point arms until deck is supported
by the gauge wheel.
f. Set control lever for deck pivot cylinder in float
detent.
3.
Set tractor throttle to idle or slightly above idle and
slowly engage power take-off. Start-up vibration is
normal and should stop after a few revolutions of the
blade carrier. Stop power take-off rotation if vibration
continues. Wait for power take-off to come to a
complete stop and then dismount from tractor to
check for probable causes such as blades locked
together.
4.
Once cutter is running smoothly, increase power
take-off speed to cutter rated speed. Stop power
take-off immediately if vibration occurs during
operation. Wait for the power take-off to come to a
complete stop and then dismount from the tractor to
check for probable causes.
5.
Optimum ground speed will depend on density of
material being cut, terrain, and operator skill. If in
doubt, change gears to reduce tractor ground speed
to a more comfortable speed.
IMPORTANT: