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OPERATION
LJ60/72 02-02 Operation Section 4-2
OPERATION
© 2004 Alamo Group Inc.
LUMBERJACK 60/72 HEAVY-DUTY TREE CUTTERS
OPERATION INSTRUCTIONS
(1) OPERATOR REQUIREMENTS...........................................................................................................4-4
(2) TRACTOR REQUIREMENTS..............................................................................................................4-5
(2.1) ROPS and Seatbelt.....................................................................................................................4-5
(2.2) Tractor Safety Devices................................................................................................................4-5
(2.3) Tractor Horsepower....................................................................................................................4-6
(2.4) 3-Point Hitch...............................................................................................................................4-6
(2.5) Front End Weight........................................................................................................................4-6
(2.6) Power Take Off (PTO).................................................................................................................4-7
(3) GETTING ON AND OFF THE TRACTOR............................................................................................4-7
(3.1) Boarding the Tractor....................................................................................................................4-8
(3.2) Dismounting the Tractor..............................................................................................................4-8
(4) STARTING THE TRACTOR.................................................................................................................4-9
(5) CONNECTING THE CUTTER TO THE TRACTOR...........................................................................4-10
(6) SETTING THE CUTTER ..............................................................................................................4-11
(6.1) Setting Cutting Height................................................................................................................4-11
(6.2) Setting Deck Level.....................................................................................................................4-12
Rhino Lumberjack 60 and Lumberjack 72 (LJ60/72) Heavy-Duty Tree Cutters are manufactured with quality
material by skilled workers. Lumberjack cutters are engineered to cut vegetative material that a properly rated
tractor can drive over (up to about 3” in diameter) and larger vegetation (up to 6” maximum diameter) by raising
the retractable rear door and backing the cutter into the material. The cutter is equipped with protective shielding
to prevent objects being thrown by blades, however, no shielding is 100% effective. All shields, guards,
deflectors, and chain guards equipped on the unit must be maintained on the cutter in good operational condition.
It is the operator’s responsibility to be knowledgeable of all potential operating hazards and to take every reasonable
precaution to ensure oneself, others, animals, and property are not injured or damaged by the cutter, tractor, or
a thrown object. The cutter must be operated with the retractable rear door in the lowered position if bystanders,
livestock, pets, or property come within 100 yards of the unit and should not be operated if such items are
positioned directly in front of or to the rear of the unit.
This section of the Operator’s Manual is designed to familiarize, instruct, and educate safe and proper cutter use
to the operator. Pictures contained in this section are intended to be used as a visual aid to to assist in explaining
the operation of a rotary mower and and are not of a LJ60/72 cutter. Some pictures may show shields removed
for purposes of clarity. NEVER OPERATE this implement without all shields in place and in good operational
condition. The operator must be familiar with the cutter and tractor operation and all associated safety practices
before operating the cutter and tractor. Proper operation of the LJ60/72, as detailed in this manual, will help
ensure years of safe and satisfactory use of the cutter.
IMPORTANT: To avoid damage to the cutter, retorque all bolts after the first 10 hours of operation. Retorque
blade carrier retaining nuts to 425 ft. lbs.