DR PRO Operating Instructions Manual
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DR PRO Operating Instructions Manual

Tow-behind field and brush mower
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TOW-BEHIND DR
SAFETY & OPERATING INSTRUCTIONS
Serial No.
Order No.
Read and understand this manual and all instructions before operating the TOW BEHIND DR FIELD and BRUSH
MOWER.
®
FIELD and BRUSH MOWER
Original Language
DR Power Equipment
Toll-free phone: 1-800-DR-OWNER (376-9637)
Fax: 1-802-877-1213
Website: www.DRpower.com

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  • Page 1 FIELD and BRUSH MOWER SAFETY & OPERATING INSTRUCTIONS DR Power Equipment Toll-free phone: 1-800-DR-OWNER (376-9637) Serial No. Fax: 1-802-877-1213 Original Language Order No. Website: www.DRpower.com Read and understand this manual and all instructions before operating the TOW BEHIND DR FIELD and BRUSH MOWER.
  • Page 2 ® TOW BEHIND DR FIELD and BRUSH MOWER...

  • Page 3: Table Of Contents

    Table of Contents Chapter 1: General Safety Rules ................................4   Chapter 2: Setting Up The TOW-BEHIND DR FIELD and BRUSH MOWER ..................7   Chapter 3: Operating the TOW-BEHIND DR FIELD and BRUSH MOWER ..................12   Chapter 4: Maintaining the TOW-BEHIND DR FIELD and BRUSH MOWER ..................18  ...

  • Page 4: Chapter 1: General Safety Rules

    Labels Your TOW BEHIND DR FIELD and BRUSH MOWER carries prominent labels as reminders for its proper and safe use. Shown below are copies of all 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 Mower as you set up and before you operate the unit.
  • Page 5  Use ear protectors or ear plugs.  Allow only responsible adults who are familiar with these safety rules and operating instructions to use your DR FIELD and BRUSH MOWER.  Keep your hands and feet away from the blades, belt, pulley, and concealed areas while the engine is running.

  • Page 6: Slope Operation

    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 TOW-BEHIND DR® FIELD and BRUSH MOWERS shipped to California, New Mexico and Washington State are provided with spark arresters.

  • Page 7: Chapter 2: Setting Up The Tow-Behind Dr Field And Brush Mower

    Chapter 2: Setting Up The TOW-BEHIND DR FIELD and BRUSH MOWER It may be helpful to familiarize yourself with the controls and features of your TOW-BEHIND DR FIELD and BRUSH MOWER by If you have any questions at all, please feel free to contact us at reviewing Figure 2 before beginning these procedures.

  • Page 8: Specifications

    Specifications 16.5 HP Pro Model 20 HP Pro-XL Model Engine See your Engine Manual for oil See your Engine Manual for oil capacity and other Engine capacity and other Engine specifications. specifications. Starting System Electric Start Electric Start Fuel Tank 2.5 Gal.
  • Page 9 Assembling the TOW-BEHIND DR FIELD and BRUSH MOWER Hardware Supplied in Product Package (Figure 3 and Table below): Item # Part # Description 1 ..... 18737 ..Pin, Clevis, 1/2" OD X 4.5" LG ....1 2 ..... 25549 ..Pin, Clevis, 1/2" X 2-1/2", TRT ....3 3 .....
  • Page 10 We ship all Electric-Starting machines with the green negative (ground) Battery Wire disconnected. This prevents the Battery from discharging during shipment. Before using your TOW-BEHIND DR FIELD and BRUSH MOWER, you must connect the green negative Battery Wire. 1. Push the negative Wire Connector fully onto the negative terminal of the Battery Battery (Figure 9).
  • Page 11 Connecting the TOW-BEHIND DR FIELD and BRUSH MOWER to your Tow Vehicle The Pin type Hitch that comes standard on the TOW-BEHIND DR FIELD and BRUSH MOWER Tow Bar is quick and easy to attach to Tow Vehicles with a hole in the Hitch Plate.

  • Page 12: Chapter 3: Operating The Tow-Behind Dr Field And Brush Mower

    Never operate your TOW-BEHIND DR FIELD and BRUSH MOWER on slopes greater than 20º using any type of Tow Vehicle. If your Tow Vehicle will not travel by itself over the terrain you plan to use it with the TOW-BEHIND DR FIELD and BRUSH MOWER, then it will not be suitable as a Tow Vehicle over that terrain.
  • Page 13 Make sure there are no people or animals in the area around the TOW-BEHIND DR FIELD and BRUSH MOWER. Fuel Shut-Off 1. Check the oil level every time you use the machine. See your Engine Owner’s Valve Open Manual.

  • Page 14: Adjusting The Mower Deck Height

    Keep your foot clear of the mower deck when adjusting the height. You could pinch your foot if it is under the deck. Height Note: The TOW-BEHIND DR FIELD and BRUSH MOWER Deck cutting Height Adjuster Locking ranges from a minimum of 4" to a maximum of 7.5".

  • Page 15: Offset Mowing

    Offset Mowing The Tow Bar allows you to offset the cutting path of the TOW-BEHIND DR FIELD and BRUSH MOWER up to 46" from the center of the Tow Vehicle. The provided offset positions are “No Offset” (in line with Tow Vehicle), “Middle Offset” (27-1/2" from center of Tow Vehicle) or “Full Offset”...
  • Page 16 11. To adjust the offset see section “Offset Mowing” on the previous page. Tow Bar Figure 25 Clevis Pin Push Bar Offset Bracket Hair Pin Clevis Pin Washer and Hair Washer Tow Bar Figure 26 ® TOW BEHIND DR FIELD and BRUSH MOWER...

  • Page 17: Cutting Wet And Heavy Growth

    When operating the TOW-BEHIND DR FIELD and BRUSH MOWER over uneven terrain or slopes, use extreme caution not to tip over the machine.  Never use the TOW-BEHIND DR FIELD and BRUSH MOWER on slopes greater than 20 degrees. Doing so could result in serious injury or damage to your machine. ...

  • Page 18: Chapter 4: Maintaining The Tow-Behind Dr Field And Brush Mower

    Chapter 4: Maintaining the TOW-BEHIND DR FIELD and BRUSH MOWER This chapter covers regular maintenance procedures that will ensure the best performance and long life of your TOW-BEHIND DR FIELD and BRUSH MOWER. For Engine maintenance, please refer to the Engine Owner’s Manual that came with your machine.
  • Page 19 Height Adjuster Threads Tools and Supplies Needed:  Wire Brush and Rags  Super Lube 1. Raise the Deck to its highest position. 2. Clean any dirt or debris from the Height Adjuster threads with a Wire Brush and Rags (Figure 29). Height 3.
  • Page 20 Fuel 9/16" Wrench Line  5/16" Nut Driver Cable Guide Use only DR belts on your machine. They have been thoroughly tested and Fuel Shut-Off Cable proven for many hours of use. Valve Closed Clamp Removing the Belt 1. Turn the Fuel Shut-Off Valve to the Closed position (Figure 32).
  • Page 21 Wear gloves and use caution when pushing or pulling the wrench next to the blade. If the wrench slips off the bolt you may be seriously injured. 1. Disconnect the Tow Behind DR Field and Brush Mower from the Tow Vehicle.
  • Page 22 Replacing the Carbon Canister (Pro and Pro-XL Models) Tools needed:  Wire Cutters  Pliers 1. Remove the Gas tank Plate as described in section “Removing and Replacing the Drive Belt” in this Chapter. 2. Cut the two Cable Ties that are securing the Carbon canister to the Gas Tank Carbon Canister Plate using Wire Cutters (Figure 38).

  • Page 23: Battery Care

    Operate the Mower Engine for at least 45 minutes to maintain proper Battery charge. If the Battery loses its charge, you'll need to use a trickle Charger (like the DR Battery Charger) to recharge it. The Charger should have an output of 12 volts at no more than 2 amps.

  • Page 24: Chapter 5: Troubleshooting

    45 minutes at a time, the Battery may need to be periodically charged. See the “Battery Care” section in Chapter 4.  If the Battery is charged and the DR TOW-BEHIND FIELD & BRUSH MOWER still will not start, visit our website at www.DRpower.com.
  • Page 25 When performing any adjustment or maintenance, you must first shut off the engine, wait five (5) minutes to allow parts to cool and disconnect the spark plug wire(s), keeping it away from the spark plug(s). Troubleshooting Table (Continued) YMPTOM OSSIBLE AUSE Engine smokes.

  • Page 26: Chapter 6: Parts Lists And Schematic Diagrams

    Chapter 6: Parts Lists and Schematic Diagrams Parts List – Frame and Tow Bar NOTE: Part numbers listed are available through DR Power Equipment. Ref# Part# Description Ref# Part# Description 37138 Support, Wheels, Brush, Right, with Labels 36315 Bracket, Chain Guard...
  • Page 27 Schematic – Frame and Tow Bar CONTACT US AT www.DRpower.com...
  • Page 28 Parts List – Deck and Deck Lift NOTE: Part numbers listed are available through DR Power Equipment. Ref# Part# Description Ref# Part# Description 35494 Brace, Sway 36563 Bolt, Hex, Flange, 1/2-13 X 1.25", GR5, 36289 Bushing, Sway Brace 36572 Bolt, Hex, Flange, 1/2-13 X 3.5", GR5, ZP...
  • Page 29 Schematic – Deck and Deck Lift CONTACT US AT www.DRpower.com...
  • Page 30 Parts List – Drive, Gas and Control NOTE: Part numbers listed are available through DR Power Equipment. Ref# Part# Description Ref# Part# Description 37134 Plate, Gas Tank, Brush, with Labels 35281 Bolt, Hex, Flange, Tri Lobe, 3/8-16 X 3/4", GR5 ZP 33386 Clutch, Electric, 75 Ft-Lbs, w/Key (16.5hp...
  • Page 31 Schematic – Drive, Gas and Control CONTACT US AT www.DRpower.com...
  • Page 32  If your TOW-BEHIND DR FIELD and BRUSH MOWER will be idle for more than 30 days, we recommend using a gas stabilizer. This will prevent sediment from gumming up the Carburetor. If there is dirt or moisture in the gas or tank, remove it by draining the tank.

This manual is also suitable for:

Pro-xl

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