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Operation Section 4-6
OPERATION
RBF-2C 07/04
© 2004 Alamo Group Inc.
3. GETTING ON AND OFF THE TRACTOR
2.4 Tractor Ballast
To ensure tractor stability when operating on flat surfaces the left rear tractor tire MUST exert a minimum down
force (weight) of 1500 lbs. on the ground when the tractor is on level ground, its boom is fully extended and the
mower head is horizontal and two feet above the ground. For units which have the ability to operate on either side
of the tractor, these requirements must also be met for the right side tire when the boom is extended to the left side
as described above. A tractor that does not meet this criteria is DANGEROUS and should not be operated as
upset of the unit can occur resulting in possible serious injury and property damage. NOTE: All factory mounted
units are tested and meet the ballast requirement before shipment; further testing is not required unless the unit is
operated in a manner other than what is considered standard operating conditions.
For additional information on properly ballasting the tractor, refer to Alamo Industrial Tractor and Mower Stability
Pamphlet P/N #02959010.
The operator must read and completely understand this manual and the tractor operator’s manual before starting
any boom mower operation. If any part of either manual is not completely understood, consult an authorized
dealer for a complete explanation. If the operator of the equipment can not read the manuals for themselves, it is
the supervisors responsibility to read and explain the manuals and operating instructions to them.
DANGER!
Each Rear Wheel must have a minimum of 1500 pound contact with
the surface to prevent lateral instability and possible tip-over which
could result in serious bodily injury or even death. Widen the wheel
tread and add weights if needed. Refer to the mounting instructions
or call Customer Service if you need assistance with Counterweight
Procedure. (SBM-11)
If the unit is operated on slopes greater than 5
°°
°°
°,
additional counterweight will be required. Operation of
the unit on slopes greater than 11
°°
°°
° is not recommended
under any circumstances. On a tractor with a 96”
outside to outside tire spread, a 11
°°
°°
° slope occurs when
one rear tractor tire is about 8” lower than the other
rear tire.
WARNING!
Do not operate the unit under any circumstance if the slope is 10° or greater.