DR SPRINT Safety & Operating Instructions Manual
DR SPRINT Safety & Operating Instructions Manual

DR SPRINT Safety & Operating Instructions Manual

Trimmer/mower
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®
DR
TRIMMER/MOWER™
SAFETY & OPERATING INSTRUCTIONS
®
Models: SPRINT
, PRO, and PRO-XL SELF- PROPELLED
Serial No.
Order No.
Read and understand this manual and all instructions before operating the DR TRIMMER/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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Summary of Contents for DR SPRINT

  • Page 1 SAFETY & OPERATING INSTRUCTIONS ® Models: SPRINT , PRO, and PRO-XL SELF- PROPELLED 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 DR TRIMMER/MOWER.
  • Page 2: Table Of Contents

    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.
  • Page 3: Chapter 1: General Safety Rules

     Keep bystanders at least 50 feet away from your work area at all times. The tips of the cutting cords on the DR TRIMMER/MOWER can throw sticks, small stones, gravel, and bits of debris over long distances at great velocity. Do not travel over loose materials such as gravel or mulch with the trimmer head spinning.
  • Page 4  While using the DR TRIMMER/MOWER, do not hurry or take things for granted. When in doubt about the equipment or your surroundings, stop the machine and take the time to look things over. Make sure that you have 100% control of the mower at all times.
  • Page 5 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 this DR TRIMMER/MOWER in a safe manner. Contact us at www.DRpower.com or call 1-800- DR-OWNER (376-9637) for assistance.
  • Page 6: Chapter 2: Setting Up The Dr Trimmer/Mower

    Chapter 2: Setting Up The DR TRIMMER/MOWER It may be helpful to familiarize yourself with the controls and features of your DR TRIMMER/MOWER as shown in Figure 1 before If you have any questions at all, please feel free to contact us at www.DRpower.com.
  • Page 7: Specifications

    90 lbs. Electric Start Electric Start Electric Start Unpacking the DR TRIMMER/MOWER Stabilize the shipping box at floor level in a clean flat area before attempting to unpack the Trimmer/Mower. For your safety we recommend you have two people for the following procedures.
  • Page 8 4. Hold the Upper Handlebar and use Wire Cutters to cut the Cable Ties that Hand attach the Upper Handlebar to the Box (Figure 4). Knob Insert 5. Remove the Wheels and Wheel Inserts from the Shipping Box. 6. Rotate the flaps out over the Hand Knobs as you pull the Hand Knob Insert from the back of the Box.
  • Page 9 (Figure 9). NOTE: The photo shows the Cords being installed at the third opening from the bottom. This allows for a 2-1/2" cutting height. Refer to “The DR Trimmer/Mower Cutting Cords” section in Chapter 3 for more detailed information and for setting the cutting height and other important Cord details.
  • Page 10 Adding Oil and Gasoline  You must add oil before starting the engine. This machine is shipped without oil. Traces of oil may be in the reservoir from you must add oil before starting the engine. factory testing, but Fill the reservoir slowly, checking the level frequently to avoid overfilling.
  • Page 11: Adjusting The Handlebar

    PTA Lever as well. See the next section. Holes   Adjusting the PTA (Parallel Trimming Action) Lever - SPRINT “B” Figure 13 Before performing any adjustment, maintenance procedure or inspection, stop the engine, wait five (5) minutes to allow parts to cool and disconnect the spark plug wire, keeping it away from the spark plug.
  • Page 12: Chapter 3: Operating The Dr Trimmer/Mower

    Chapter 3: Operating The DR TRIMMER/MOWER You may find it helpful to review the DR TRIMMER/MOWER Controls and Features (Figure 1 on page 6) before reading this chapter.  The design of your machine is for trimming and mowing grass, weeds, and other growth as specified in this manual. Do not use it for any other purpose as it could cause serious injury.
  • Page 13: Engaging The Trimmer Head

    3. Grasp the Recoil Starter Handle (Figure 1 on page 6) and slowly pull until you feel resistance. Let the cord retract a little bit, then pull the cord rapidly to start the Engine. One or two pulls usually starts the DR TRIMMER/MOWER. It may be necessary to repeat the priming operation if the machine does not start within two pulls.
  • Page 14 Cutting Cords also tilt slightly in PTA mode so you can edge and trim along gardens, paths, and driveways. When using PTA along garden edges, fences, and buildings, we recommend making your first pass with the DR TRIMMER/MOWER in the Normal mowing position, staying 4 to 8 inches from the obstacle; and then return for another pass with the machine in PTA...
  • Page 15 Each point is 180 degrees apart. Always install two Cords, one opposite the Out Here Out Here other. Figure 18 Installing Cords Reference Figures 18-20 for Cord installation. Your DR TRIMMER/MOWER Side shipped from the factory with the Cords installed in this manner. Openings ® When using PTA , install the cutting cords in one of the bottom four line plates.
  • Page 16: Adjusting The Cutting Height

    Adjusting the Cutting Height is easy. Cutting heights range in 1/2-inch increments from 1-1/2 inches when using the bottom Line Plate, to approximately 4 inches when using the top Line Plate (Sprint and Pro models) (Figure 21) and approximately 5 inches when using the top Line Plate (Pro-XL Figure 21 Self-Propelled model).
  • Page 17 Obstacle Tips Dealing with obstacles in the terrain is easy with your new DR TRIMMER/MOWER. The following section explains how to approach most common obstacles. The trimmer engine's power can easily throw stones, sticks, and other debris at great velocity, which could cause personal injury or property damage.
  • Page 18 Windrows The DR TRIMMER/MOWER Cutting Cords cut even tall grass in just one pass, so you can collect clippings and leaves for mulch without raking. The machine ejects cut material to its right side, so you can use it like a lawn broom to make windrows for easy clean-up.
  • Page 19: Chapter 4: Maintaining The Dr Trimmer/Mower

    ® Removing the Mow-Ball Support Assembly Tools and Supplies Needed:  Head Locking Tool (supplied with your DR TRIMMER/MOWER) or a #3 Phillips head Screwdriver with at least a 6" shank  Gloves Head Locking 1. Insert the Head Locking Tool or Screwdriver into the hole in the Frame, then Tool inserted ®...
  • Page 20 1. Position the Backup Plate with the lip of the curve facing up (Figure 28). 2. Stack the Line Plates (6 for Sprint and Pro, 8 for Pro-XL Self-Propelled) on top of one another with the bumps in the bottom center locking into the grooves on top of each Plate.
  • Page 21 Frame (Figure 29). Tip: Keep the screws together with the Stone Guard.  Bottom Shield - SPRINT and PRO Figure 29 Before performing any maintenance procedure or inspection, stop the engine, wait five (5) minutes to allow all parts to cool.
  • Page 22 (5) minutes to allow parts to cool and disconnect the spark plug wire, keeping it away from the spark plug. Figure 31 4 Set Screws Use only DR belts on your machine. Do not use hardware store variety belts. Tools and Part needed:  9/16" Wrench ...
  • Page 23 5. Install a new DR Drive Belt around the upper Engine Pulley, rotate the Transmission Housing out, and slip the Drive Belt around the Transmission Pulley. Allow the Housing to return to its resting position with the Belt in place.
  • Page 24 Tools needed: Actuator  3/8" Socket  7/16" Wrench  1/2" Wrench ® ® 1. Remove the Mow-Ball Support Assembly. See “Removing the Mow-Ball Support Assembly” on page 19. 2. Remove the Stone Guard Flap. See “Removing the Stone Guard Flap” on Lock Nut page 20.
  • Page 25 Wheels - SPRINT and PRO Remove Locknut Before performing any adjustment, maintenance procedure or inspection, stop the engine, wait five (5) minutes to allow parts to cool and disconnect the spark plug wire, keeping it away from the spark plug.
  • Page 26 Oil Fill Tube. 3. Make sure to securely tighten the Gas Fill Cap. 4. Using the handle of the DR TRIMMER/MOWER, tip the machine to the left and drain the oil out through the Oil Filler Tube (Figure 43) into a suitable receptacle.
  • Page 27 Flathead Screwdriver If the SELF-PROPELLED DR TRIMMER/MOWER will not drive forward when you squeeze the Wheel Clutch Lever or if the machine moves forward without the operator squeezing the Wheel Clutch Lever (or the machine “walks”), you will have to adjust the Wheel Clutch Cable.
  • Page 28 In this case, you may need to adjust the Trimmer Control Cable to put more tension on it. The Adjuster is located on the right Handlebar, just above the Throttle Control Lever for the SPRINT and PRO models and on the left Handlebar for the PRO-XL SELF-PROPELLED model.
  • Page 29: Charging The Battery

    Operate the Trimmer Engine for at least 45 minutes to maintain proper Battery charge. If the Battery loses its charge, you will 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 30  Never store the DR Trimmer/Mower with fuel in the fuel tank inside a building where ignition sources are present, such as hot water and space heaters, clothes dryers and the like. If you are going to drain the fuel tank, do this outdoors. Allow the engine to cool before storing in any enclosure.
  • Page 31  If your DR TRIMMER/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.
  • Page 32: Chapter 5: Troubleshooting

    Spark Plug hole and pull the Recoil Cord several times to blow out any oil in the Cylinder, then wipe off the Spark Plug and reinsert it.  If the Engine still will not start, visit our web site at www.DRPower.com or call 1-800-DR- OWNER (376-9637) for assistance.
  • Page 33 45 minutes at a time, the Battery may need to be periodically charged. See the Battery Care section on page 29.  If your Battery is charged and your DR TRIMMER/MOWER still won’t start, visit our web site at www.DRPower.com or call 1-800-DR-OWNER (376-9637) for assistance.
  • Page 34 Trimmer Head Belt Tension through the Trimmer Control Cable” on page 28.  Check the Brake for excessive wear and replace if necessary. (See page 23)  If none of the above helps, visit our web site at www.DRPower.com or call 1-800-DR- OWNER (376-9637) for assistance.
  • Page 35 If they freewheel backwards, the Drive Wheel Clutches may have failed. Call 1-800-DR-OWNER (376-9637) for assistance.  If none of the above helps, visit our web site at www.DRPower.com or call 1-800-DR- OWNER (376-9637) for assistance.
  • Page 36: Chapter 6: Parts Lists, Schematic Diagrams And Warranty

    Chapter 6: Parts Lists, Schematic Diagrams And Warranty  Parts List - Handlebar Assembly - SPRINT and PRO NOTE: Part numbers listed are available through DR Power Equipment. Ref# Part# Description Ref# Part# Description 111581 Bolt, HCS, 5/16-18 X 1"...
  • Page 37  Schematic - Handlebar Assembly - SPRINT and PRO 030411 CONTACT US AT www.DRpower.com...
  • Page 38 Parts List - Main Frame Assembly - All Models NOTE: Part numbers listed are available through DR Power Equipment. Ref# Part# Description Ref# Part# Description 292001 Frame, Main, W/ Labels, TR3, non-Self- 143941 Spring, Ext., .50" OD X .063" Wire...
  • Page 39 Schematic – Main Frame Assembly - All Models 030411 CONTACT US AT www.DRpower.com...
  • Page 40 Parts List - Handlebar Assembly - SELF- PROPELLED NOTE: Part numbers listed are available through DR Power Equipment. Ref# Part# Description Ref# Part# Description 111581 Bolt, HCS, 5/16-18 X 1" 144641 Bolt, 5/16-18 X 3.0" 110761 Nut, Nylon Lock, 5/16-18...
  • Page 41 Schematic - Handlebar Assembly - SELF- PROPELLED 030411 CONTACT US AT www.DRpower.com...
  • Page 42 Parts List - Axle Assembly - SELF- PROPELLED NOTE: Part numbers listed are available through DR Power Equipment. Ref# Part# Description Ref# Part# Description 111581 Bolt, HCS, 5/16-18 X 1" 175521 Bolt, Eye, 10-24 X .50" 110761 Nut, Nylon Lock, 5/16-18 290101 Spring, Ext, .312"...
  • Page 43 Schematic - Axle Assembly - SELF- PROPELLED 030411 CONTACT US AT www.DRpower.com...
  • Page 44 ® Parts List - Mow Ball Assembly - All Models NOTE: Part numbers listed are available through DR Power Equipment. Ref# Part# Description Ref# Part# Description 147181 Bearing Housing Assy 143501 Bearing Plate, Lower 252291 Head Assy, Complete, 6 Plate, Sprint and 143531 Pulley, V-Belt, 3.50"...
  • Page 45 ® Schematic – Mow Ball Assembly - All Models 030411 CONTACT US AT www.DRpower.com...
  • Page 46  Parts List and Schematic - Axle Assembly - SPRINT and PRO NOTE: Part numbers listed are available through DR Power Equipment. Ref# Part# Description Ref# Part# Description 110761 Nut, Nylon Lock, 5/16-18 144011 Spring, Extension, .500"D X .075W X 1.75"L, ZP...
  • Page 47 Notes: CONTACT US AT www.DRpower.com...
  • Page 48 Before performing any maintenance procedure or inspection, stop the engine, wait five (5) minutes to allow all parts to cool. Disconnect the spark plug wire, keeping it away from the spark plug. To help maintain your DR TRIMMER/MOWER for optimum performance, we recommend you follow this checklist each time you use your machine.

This manual is also suitable for:

ProPro-xl

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