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Section 3: Operating Instructions
RCB6610 & RCBM6610 Series 2 S/N 944730+ Rotary Cutters 330-584M
11/11/12
Table of Contents
!
DANGER
To avoid serious injury or death:
• Tractor PTO shield and gearbox shaft shields must be secured
in place when operating cutter to avoid injury or death from
entanglement in driveline.
• Do not use cutting blades as a fan. Cutting blades are not
properly designed or guarded for this use. Using cutter as a
fan can result in injury and/or death.
!
WARNING
To avoid serious injury or death:
• Always disengage PTO, place tractor in park or set park
brake, shut tractor engine off, remove switch key, and wait for
blades to stop before dismounting from tractor.
• Wait for blades to come to a complete stop before accessing
blade bolts through blade bolt access hole.
• Do not operate cutter with loose pins, bolts, or nuts. Loose
hardware can result in a serious breakdown causing bodily
injury or death.
• Do not operate cutter with a hitch or hitch pin that is
excessively worn, has structural cracks, is bent, or is broken.
The hitch and/or hitch pin can break apart separating cutter
from tractor causing serious injury or death.
• Do not use PTO adapters. A PTO adapter will increase strain
on the tractor’s PTO shaft resulting in possible damage to
shaft and driveline. It will also defeat the purpose of the
tractor’s master shield.
!
CAUTION
To avoid serious injury:
• Do not exceed the rated cutting capacity. See Specifications &
Capacities for specified cutting capacity. Using this cutter for
any other type of work can damage drive components, cutter
blades and deck components.
• Buildup of debris around moving parts is a fire hazard. Keep
drivelines & other rotating parts free from debris to avoid
serious injury and property damage.
• Improper oil level can cause bearing failure and be a fire
hazard. Maintain proper gearbox oil level to avoid serious
injury and property damage.
• Do not over speed PTO or machine damage may result. Many
tractors provide both 540 and 1,000 rpm PTO speeds. Check
your tractor’s manual to determine its capabilities.
• RC series cutters are designed for 540 rpm rear PTO.
• RCM series cutters are designed for 1000 rpm rear PTO.
IMPORTANT: Avoid catching hydraulic hoses on
brush, posts, stumps, and other protrusions that
could damage and/or break them.
Avoid Extreme Turning Angles
Refer to Figure 3-1 & Figure 3-2:
Plan your field cutting to minimize number of turns,
especially extreme turning angles. Avoid tractor-to-cutter
turning angles that exceed driveline maximum turning
angle. If the turn cannot be avoided, disengage tractor
PTO and wait for the driveline to stop rotating before
making the turn.
• Standard Conventional Driveline:
Maximum turning angle = 35
o
.
• Constant Velocity Driveline:
Maximum turning angle = 80
o
.
Conventional U-Joint Driveline
Figure 3-1
Constant Velocity (CV) Driveline
Figure 3-2
IMPORTANT: Maintain correct PTO speed. Loss of
PTO speed will allow blades to swing back and result
in ragged, uneven cutting. Excessive speed will
cause damage to the power train components.
IMPORTANT: If wing driveline profile is bent or
twisted, disconnect that driveline from the wing
gearbox before folding the wing up. This will protect
both the wing and divider gearbox. Repair driveline
before putting cutter back into service.
IMPORTANT: This Rotary Cutter is equipped with
free swinging cutting blades to reduce shock loads.
However, it is best to avoid striking obstacles for your
safety and to protect the cutter from damage.
IMPORTANT: Watch while making tight turns to
ensure that the rear tractor tires and lower 3-point
arms do not make contact with cutter hitch, driveline
or deck. Keep lower 3-point arms raised at all times
when hitched to a pull-type cutter.
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