OPERATION
DHP8, DHP10, DHP12 05/21
Operation Section 4-19
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© 2021 Alamo Group Inc.
10.3 Driving the Tractor and Implement
Start off driving at a slow speed and gradually increase your speed while maintaining complete control of the
tractor and unit. Moving slowly at first will also prevent the tractor from rearing up and loss of steering control.
The tractor should never be operated at speeds that cannot be safely handled or which will prevent the
operator from stopping quickly during an emergency. If the power steering or engine ceases operating, stop the
tractor immediately as the tractor will be difficult to control. If the tractor becomes stuck or the tires are frozen to
the ground, reverse the tractor out to prevent overturning.
Perform turns with the tractor and unit at slow speeds to determine how the tractor with the unit handles a turn.
Determine the safe operating speed to maintain proper control of the tractor when making turns. When turning
with an attached rear implement, the overall length of the working unit is greatly increased. Allow additional
clearance for the implement to swing when turning.
To avoid overturns, drive the tractor with care and at safe speeds, especially when operating over rough
ground, crossing ditches or slopes, and turning corners. Tractor wheel tread spacing should be increased
when working on inclines or rough ground to reduce the possibility of tipping.
Use extreme caution when operating on steep slopes. Keep the tractor in a low gear when going downhill. DO
NOT coast or free-wheel downhill.
11.1 Field Operating Instructions
Final adjustments will need to be made while operating the disc harrow in the field. See “In Field Adjustments”
for final adjusting instructions.
NOTE:
Disc Harrows with disc blades spaced 7-1/2” apart are primarily used to pulverize soil. They work best
in tilled soil. Disc blades spaced 9” apart are recommended for cutting un-tilled soil.
Damage to the harrow can occur if it is not lifted out of the ground before making sharp
turns.
11. OPERATING THE TRACTOR AND IMPLEMENT
THE OPERATOR MUST COMPLETELY UNDERSTAND HOW TO OPERATE THE TRACTOR AND
IMPLEMENT AND ALL CONTROLS BEFORE ATTEMPTING TO OPERATE.
The operator must read and
understand the Safety and Operation Sections of the implement and tractor operator’s manuals. These
manuals must be read and explained to any operator who cannot read. Never allow someone to operate the
implement and tractor without complete operating instructions.
Before starting any operation, the operator must become familiar with the area to be worked in and any
obstacles and hazards contained within to ensure safety to the operator, bystanders, and equipment. Special
attention should be paid to foreign debris, rough terrain, steep slopes, and passersby and animals in the area.
OPS-U- 0015
Many varied objects, such as wire, cable, rope, or chains, can become entangled in the
rotating parts of the Implement. These objects could then swing outside the housing at
great velocity. Such a situation is extremely hazardous and could result in serious injury or
even death. Inspect the area for such objects before working in the area. Remove any such
objects from the site. Never allow the implement to contact such objects.
(STL-6)
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