DR
®
ROTO-HOG™ Premier Power Tiller
SAFETY & OPERATING INSTRUCTIONS
DR® Power Equipment
Serial No. ________________
Order No. ________________
Read and understand this manual and all instructions before operating this DR ROTO-HOG Premier Power Tiller.
Original Language
Toll-free phone: 1-800-DR-OWNER (376-9637)
Fax: 1-802-877-1213
Web site: www.DRpower.com
Table of Contents
Chapter 1: General Safety Rules................................................................................................................................................................. 3
Chapter 2: Setting Up Your DR ROTO-HOG Premier Power Tiller..........................................................................................................7
Chapter 3: Operating Your DR ROTO-HOG Premier Power Tiller......................................................................................................... 12
Chapter 4: Maintaining Your DR ROTO-HOG Premier Power Tiller......................................................................................................16
Chapter 5: Troubleshooting.....................................................................................................................................................................20
Chapter 6: Parts Lists, Schematic Diagrams And Warranty ...................................................................................................................22
Conventions used in this manual
This indicates a hazardous situation, which, if not avoided, could
result in death or serious injury.
This indicates a hazardous situation, which, if not avoided, could result in minor or moderate injury.
This information is important in the proper use of your machine. Failure to follow this instruction could result in damage to
your machine or property.
Serial Number and Order Number
A Serial Number is used to identify your machine. The number is located on the Serial Number Label attached to the chassis of
your machine. For your convenience and ready reference, enter the Identification number in the space provided on the front cover
of this manual. An Order Number is used to check and maintain your order history. The number is located on the upper left
portion of your packing slip. For your convenience and ready reference, enter the order number in the space provided on the front
cover of this manual.
Additional Information and Potential Changes
DR Power Equipment reserves the right to discontinue, change, and improve its products at any time without notice or obligation
to the purchaser. The descriptions and specifications contained in this manual were in effect at printing. Equipment described
within this manual may be optional. Some illustrations may not be applicable to your machine.
2 DR
®
ROTO-HOG™ Premier Power Tiller
Chapter 1: General Safety Rules
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Read this safety & operating Instructions manual before you use the DR ROTO-HOG Premier Power Tiller. Become familiar with
the operation and service recommendations to ensure the best performance from your machine. If you have any questions or
need assistance, please contact us at www.DRpower.com or call toll-free 1-800-DR-OWNER (376-9637) and one of our Technical
Support Representatives will be happy to help you.
Labels
Your DR ROTO-HOG Premier Power Tiller carries prominent labels as reminders for its proper and safe use. Shown below are
copies of the Safety and Information Labels that appear on the equipment. Take a moment to study them and make a note of
their location on your DR ROTO-HOG Premier Power Tiller as you assemble and before you operate the machine. Replace
damaged or missing safety and information labels immediately.
224511
#224521
#224531A
Contact us at www.DRpower.com 3
Protecting Yourself and Those Around You
The DR ROTO-HOG Premier Power Tiller is a high-powered machine with fast moving parts operating at high speeds. You
must operate this machine safely. Unsafe operation can create hazards for you, as well as anyone else in the work area. Use
proper clothing and safety gear when operating this machine to prevent or minimize the risk of severe injury. Always take the
following precautions when operating the DR ROTO-HOG Premier Power Tiller:
• Always wear protective goggles or safety glasses with side shields to protect your eyes from possible objects thrown from the
machine.
• We recommend wearing safety shoes when using this machine. Wear shoes with non-slip treads to improve footing on
slippery surfaces. Do not use the machine wearing open sandals or while barefoot.
• Do not wear loose clothing or jewelry, which can catch on the machine’s moving parts.
• We recommend wearing long pants and gloves while using this machine. Be sure the gloves fit properly and do not have
loose cuffs or drawstrings.
• We recommend the use of ear protectors or ear plugs rated for at least 20 dba to protect your hearing.
• Allow only responsible individuals who are familiar with these general safety rules and operating instructions to use your DR
ROTO-HOG Premier Power Tiller. Never allow people who are unfamiliar with these rules and instructions to use your
machine.
• Have a complete working knowledge of your Tow Vehicle and know how to handle it with the DR ROTO-HOG Premier Power
Tiller attached.
• Never place your hands, feet, or any part of your body near or under any moving part while the DR ROTO-HOG Premier
Power Tiller Engine is running.
• Keep bystanders away from your work area at all times. To be safe, do not operate the DR ROTO-HOG Premier Power Tiller
near children or pets, and never allow children to operate the machine. Stop the Tow Vehicle and the DR ROTO-HOG
Premier Power Tiller Engine when another person or pet approaches.
• Do not touch the Muffler and Engine when the machine is in use as they become very hot and can cause severe burns.
• Clear the work area of objects that might jam or wrap around the tines such as glass, large sticks, stones, metal objects, wire,
rope, and string-like materials. Use on these objects could damage the DR ROTO-HOG Premier Power Tiller and/or cause
injury.
• Do not use this machine around large roots and surface rocks that you cannot remove.
• Do not use this machine around underground pipes and wiring.
• Never engage the Tines when they are in the ground. If the DR ROTO-HOG Premier Power Tiller Engine should stall, raise
the Tines out of the soil and disengage them.
• Never, under any conditions, remove, bend, cut, fit, weld, or otherwise alter standard parts on the DR ROTO-HOG Premier
Power Tiller. This includes all shields and guards. Modifications to your machine could cause personal injuries and property
damage and will void your warranty.
Slope Operation
Use of machinery on slopes is a major factor related to accidents, which can result in severe personal injury. Use of machinery on
slopes requires caution. If you feel uneasy using the DR ROTO-HOG Premier Power Tiller on a slope, do not operate it. Always
take the following precautions when using this machine on slopes:
Always:
• Exercise extreme caution when changing direction on slopes.
• Watch for holes, ruts, and bumps on the ground.
4 DR
®
ROTO-HOG™ Premier Power Tiller
g
Never:
• Never operate near drop-offs, ditches, or embankments; you could lose control of your Tow Vehicle and/or the DR ROTO-HOG
Premier Power Tiller.
• Never operate on slopes greater than 5 degrees, or on any excessively steep slope.
• Never operate on wet, or slippery slopes. Reduced traction could result in tipping over your Tow Vehicle and/or the DR ROTO-
HOG Premier Power Tiller.
• Never park the Tow Vehicle on a steep grade or slope.
Safety for Children
Tragic accidents can occur if the operator is not alert to the presence of children. Children can be attracted to the DR ROTO-HOG
Premier Power Tiller and the tilling activity. Never assume that children will remain where you last saw them.
• Keep children out of the work area and under the watchful care of a responsible adult.
• Be alert and always turn off your Tow Vehicle and the Tiller Engine if children enter the work area.
• Before, and while moving your Tow Vehicle backwards, look behind, and down for small children.
• Never allow children to operate the DR ROTO-HOG Premier Power Tiller.
• Use extra care when approachin
blind corners, shrubs, trees, or other objects that may obscure your vision.
Safety with Gasoline-Powered Machines
Gasoline is a highly flammable liquid. Gasoline also gives off flammable vapor that can be easily ignited and cause a fire or
explosion. Never overlook the hazards of gasoline and always follow these precautions:
• Never run the DR ROTO-HOG Premier Power Tiller Engine in an enclosed area or without proper ventilation as the exhaust
from the Engine contains carbon monoxide, which is an odorless, tasteless, and deadly poisonous gas.
• Store all fuel and oil in containers specifically designed and approved for this purpose and keep away from heat, open flame,
and out of the reach of children.
• Fill the gasoline tank outdoors with the Engine off and allow the Engine to cool completely. Do not handle gasoline if you or
anyone nearby is smoking, or if you are near anything that could cause it to ignite or explode. Replace the Fuel Tank and Fuel
Container Caps securely.
• If you spill gasoline, do not attempt to start the Engine. Move the machine away from the area of the spill and avoid creating
any source of ignition until the gas vapors have dissipated. Wipe up any spilled fuel to prevent a fire hazard and properly
dispose of the waste.
• Allow the DR ROTO-HOG Premier Power Tiller Engine to cool completely before storing in any enclosure. Never store the
machine with gas in the Tank or with gas in a Fuel Container near an open flame or spark such as a water heater.
• Never make adjustments or repairs with the Engine running. Before making an adjustment or repair, shut off the DR ROTO-
HOG Premier Power Tiller Engine, wait five (5) minutes to cool, then disconnect the Spark Plug Wire and keep the Wire away
from the Spark Plug to prevent accidental starting.
• Never check for an ignition spark with the Spark Plug or Spark Plug Wire removed. Always use an approved Spark Tester.
• Never tamper with safety devices. Regularly check their proper operation.
• Never change the Engine Governor settings or modify the Engine speed. Modifications will void your warranty.
• To reduce fire hazard, keep the Engine and Muffler area free of debris build-up such as leaves, grass, oil, grease, or any other
combustible material. Clean the Engine area after each use.
• Never operate the Engine without the Muffler. Inspect the Muffler periodically and replace if necessary. If the Engine is
equipped with a Muffler Deflector, inspect it periodically and replace if necessary.
Contact us at www.DRpower.com 5
• Never operate the Engine with the Air Cleaner or Cover over the Carburetor Air Intake removed, except for adjustment.
Removal of such parts could create a fire hazard. Do not use flammable solutions to clean the Air Filter.
• Always check Fuel Lines and Fittings frequently for cracks or leaks, replace if necessary.
• Replace rubber Fuel Lines and Grommets when worn or damaged, but do not use over five (5) years.
General Safety
Safe operation of the DR ROTO-HOG Premier Power Tiller is necessary to prevent or minimize the risk of death or serious injury.
Unsafe operation can create a number of hazards for you. Always take the following precautions when operating this machine:
• The DR ROTO-HOG Premier Power Tiller is a powerful tool and not a plaything. When using this machine, exercise extreme
caution at all times. The design of this machine is to till soil. Do not use it for any other purpose.
• The operator or user of the DR ROTO-HOG Premier Power Tiller is responsible for accidents or hazards occurring to other
people, their property, and themselves.
• Know how to quickly stop the DR ROTO-HOG Premier Power Tiller. See page 12.
• Never allow people or pets to ride on this machine.
• If the machine should make an unusual noise or vibration, shut off the Tow Vehicle and the DR ROTO-HOG Premier Power
Tiller Engines. Vibration is generally a warning of trouble. Wait five (5) minutes for the DR ROTO-HOG Premier Power Tiller
Engine to cool. Disconnect the Spark Plug Wire and then inspect the machine for clogging, damaged Tines, or loose Engine
mounting Bolts. Clear any obstructions and repair and/or replace damaged parts.
• Always keep the machine in good safe operating condition. Always make certain Nuts and Bolts are tight and always use the
supplied self-locking hardware. DO NOT USE SUBSTITUTE HARDWARE.
• Always shut off the Tow Vehicle and DR ROTO-HOG Premier Power Tiller Engine, wait five (5) minutes to cool, and disconnect
the Spark Plug Wire before attempting to clear any obstructions.
• Use the DR ROTO-HOG Premier Power Tiller only in daylight and give complete and undivided attention to the job at hand.
• Do not hurry or take things for granted when using the DR ROTO-HOG Premier Power Tiller. When in doubt about the
machine or your surroundings; stop the machine and take time to look things over.
• Exercise extreme caution when on or crossing drives, walks, or roads. Stay alert for hidden hazards or traffic.
• Never leave the DR ROTO-HOG Premier Power Tiller unattended with the Engine running. If leaving the machine, shift the
Tow Vehicle into neutral, set the Vehicle Parking Brake, turn off the Vehicle Engine and remove Key; raise the Tines of the Tiller
and disengage the Tine Drive then turn off the Tiller Engine.
• Prior to transportation to and from the work area, disengage the Tiller Tine Drive, stop the Tiller Engine, and raise the Tines.
• Do not operate the machine when under the influence of alcohol, drugs, or medication.
• See manufacturer’s instructions for proper operation and installation of accessories. Only use accessories approved by DR
Power Equipment.
A Note to All Users
No list of warnings and cautions can be all-inclusive. If situations occur that are not covered by this manual, the operator must
apply common sense and operate the DR ROTO-HOG Premier Power Tiller in a safe manner. Visit our website at
www.DRpower.com or call 1-800-DR-OWNER (376-9637) for assistance.
Under California law, and the laws of some other states, you are not permitted to operate an internal combustion Engine using
hydrocarbon fuels without an Engine Spark Arrester. This also applies to operation on US Forest Lands. All DR ROTO-HOG
Premier Power Tillers shipped to California and Washington State are provided with Spark Arresters. Failure of the
owner/operator to maintain this equipment in compliance with state regulations is a misdemeanor under California law and may
be in violation of other state and/or federal regulations. Contact your local Fire Marshal, Forest Service, State Park Association, or
the appropriate state organization for specific information in your area.
®
6 DR
ROTO-HOG™ Premier Power Tiller
Chapter 2: Setting Up Your DR ROTO-HOG Premier Power Tiller
It may be helpful to familiarize yourself with the Controls and Features on your new machine by reviewing Figure 1 before
beginning the steps outlined in this chapter. For technical assistance, please visit our website at
www.DRpower.com.
DR ROTO-HOG Premier Power Tiller Controls and Features
NOTE: The model shown in Figure 1 may look slightly different from your machine.
DEPTH STAKE
CHOKE
CONTROL
FUEL
SHUT
OFF
TINE
CLUTCH
LEVER
LIFT HANDLE
FLOATING HITCH
THROTTLE
Figure 1
PULL START
Contact us at www.DRpower.com 7
DR ROTO-HOG Premier Power Tiller Specification Sheet
Engine Briggs & Stratton 9.00 FPT, 205 CC, Single Cylinder
Approximate Run Time on a Tank of Fuel 90 minutes
Towing type Pin Hitch
Ground Clearance in Transport Mode 1.5"
Height Adjustment Manual
Range 5.5" deep
Tine Size 12"
Number of Tines 12
Wheels 15" x 6.00"-6 NHS (14" x 5.5")
Machine Size 39"w x 66"L (Transport), 35"H x 77"L (Lowest Position)
Machine Weight 237 lbs.
Tongue Weight 90 lbs. (Transport) 112 lbs. (Lowest Position)
Shipping Weight 310 lbs.
Gauge of Steel on Shroud 13
Gauge of Steel on Frame 12 Gauge, 1.5" Tubular Steel
Unpacking and Assembling the Machine
NOTE: Unpacking and assembling the DR ROTO-HOG Premier Power Tiller is a two-person job, as the Unit weighs 237 pounds. We
recommend you have an extra set of hands available before you begin.
Parts Supplied on Shipping Pallet:
• DR ROTO-HOG Premier Power Tiller
• (2) Wheels
• Tow Bar w/ SMOOTH-TRAK™
• Hardware Bag: (Located on the Gas Tank of the unit.)
- (2) Shear Bolt
- (2) Lock Nut, 3/8-16
- (1) Safety
- (1) Briggs & Stratton Engine Manual
Tools and Supplies Needed:
&
Operating Instructions Manual
• Pliers
• Knife
• Two 7/16" Wrenches
• 1/2" Wrench or Socket
• Grease Gun w/General purpose grease
• Gloves
Stabilize the shipping container on a flat surface before attempting to unpack and assemble the machine.
8 DR
®
ROTO-HOG™ Premier Power Tiller
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