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SECTION III
OPERATING INSTRUCTIONS
3-1 GENERAL SAFETY
Only qualified people should operate this machine.
Operator should wear hard hat, safety glasses and
safety shoes. It is recommended that tractor be
equipped with Rollover Protective Systems (ROPS)
and a seat belt be used. Before beginning opera-
tion, clear work area of objects that may be picked
up and thrown. Check for ditches, stumps, holes or
other obstacles that could upset tractor or damage
cutter. Always turn off tractor engine, set parking
brake, and allow cutter blades to come to a complete
stop before dismounting tractor.
3-2 ADJUSTING FOR WORK
The cutter should be operated at the highest position
which will give desired cutting results. This will help
prevent the blades from striking the ground, reducing
blade wear and undue strain on the machine. For
best results under heavier cutting conditions, always
tilt the cutter approximately 2 inches (51mm) lower in
the front. This tilt decreases horsepower require-
ments and increases potential ground speed. When
fine shredding is desired, adjust cutter deck level or
slightly lower in the rear. This will keep the foliage
under cutter until thoroughly shredded. More power
is required for shredding.
3-2.1 CUTTING HEIGHT ADJUSTMENT
THE CUTTER CAN FALL FROM HYDRAULIC
SYSTEM FAILURE. TO AVOID SERIOUS
INJURY OR DEATH, SECURELY SUPPORT
CUTTER BEFORE WORKING UNDERNEATH.
AVOID PLACING HANDS, FEET OR ANY
OTHER BODY PARTS BENEATH THE CUTTER
WHILE MAKING HEIGHT ADJUSTMENTS.
The cutting height may be adjusted from 1-1/2” to
10-1/2” by selecting the appropriate holes in the
adjusting bracket on the single tailwheel bracket
WARNING
WARNING
(285, 286, 287). Adjustment can be made with a
ratchet or cylinder on the 287 dual wheel mount.
(Figures 3-1 & 3-2)
A. Raise cutter using 3-point lift until tailwheel(s)
lift off ground. Turn off tractor. Block cutter in posi-
tion.
B. Remove adjusting bolts from bracket.
C. Position tailwheel for desired cutting height.
D. Replace adjusting bolts and tighten securely.
3-3 OPERATION
A. Perform BEFORE EACH USE maintenance
listed in paragraph 4-1.
B. Start tractor.
C. With tractor at idle speed, engage PTO drive.
D. Adjust cutter to working position.
STAY CLEAR OF ROTATING DRIVELINE. DO
NOT OPERATE WITHOUT DRIVELINE
SHIELDS IN PLACE AND IN GOOD CONDI-
TION. FAILURE TO HEED THESE WARNINGS
MAY RESULT IN PERSONAL INJURY OR
DEATH.
E. Set tractor throttle for appropriate PTO speed
(540 RPM).
Figure 3-2 Model 287 With Dual Tailwheels
DANGER
Tailwheel Frame
Adjusting Bracket
Figure 3-1
Hydraulic Cylinder
(or Adjustable Ratchet)
Dual Tailwheel Mount
10