DR Premier Safety & Operating Instructions Manual Download

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TRIMMER/MOWER

Replacing the Drive Belt (Self Propelled model)

Tools and Parts needed:



3/8" Wrench



7/16" Wrench



Philips Head Screwdriver

Tip the machine back onto the handlebar to access the underside.

Remove the Trimmer Cords from the Head Assembly.

Remove the four Trimmer Guard Bolts and Flat Washers with a 3/8"
Wrench. Remove the Trimmer Guard (

Figure 33

Remove the four Transmission Cover Bolts and Flat Washers with a 3/8"
Wrench. Remove the Transmission Cover (

Figure 34

Disconnect the Z-bend end of the Drive Cable from the Bracket (

Figure 35

Loosen the Belt Guide Locknut using a 7/16" Wrench and rotate the Guide
out of the way (

Figure 36

Rotate the Transmission down toward the back to slide the small Drive Belt
from the Engine Pulley groove.

Note:

Ensure that the Drive Cable does not kink or get over stressed during the

following procedure.

Continue to rotate the Transmission to gain access to the Belt retainers and
Screws on the bottom of the Transmission (

Figure 37

Remove the two Screws where the Belt wraps around the Pulley and loosen
the other two using a Philips Head Screwdriver.

10.

Rotate the Belt Guides away from the Transmission Pulley and remove the
Belt.

11.

Install a new DR Drive Belt around the Transmission Pulley.

12.

Rotate the Belt Guides into position and secure with the two Screws you
removed and tighten the other two using a Philips Head Screwdriver.

Bracket

Figure 35

“Z” Bend

Engine Pulley

Figure 37

Drive Belt

Remove

Belt
Guides

Loosen

Remove

Loosen

Trimmer
Belt

Transmission Pulley

Figure 36

Drive
Belt

Transmission

Belt
Guide

Locknut

Transmission
Guard

Figure 34

Bolts and Flat
Washers

Trimmer
Guard

Figure 33

Bolts and Flat
Washers

Trimmer Cord

Summary of Contents for Premier

Page 1: ...stand this manual and all instructions before operating the DR TRIMMER MOWER Serial No Order No DR Power Equipment Toll free phone 1 800 DR OWNER 376 9637 Fax 1 802 877 1213 Website www DRpower com Original Language Models Premier Pro Pro XL Pro XL Self Propelled ...

Page 2: ... the Serial Number and 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 ...

Page 3: ...other people their property and themselves Always wear protective goggles or safety glasses with side shields while mowing to protect your eyes from possible thrown debris Avoid wearing loose clothing or jewelry which can catch on the mower s moving parts We recommend wearing gloves while mowing Be sure your gloves fit properly and do not have loose cuffs or drawstrings Wear shoes with non slip tr...

Page 4: ... underside of the deck always shut off the engine and wait five 5 minutes to allow parts to cool Remove the key if so equipped and disconnect the spark plug wire and keep the wire away from the spark plug to prevent accidental starting When operating over uneven terrain and slopes use extreme caution to ensure solid and firm footing Keep a firm hold on the handlebar and walk never run Stop the cut...

Page 5: ...etely Don t handle gasoline if you or anyone nearby is smoking or if you re near anything that could cause it to ignite or explode Reinstall the fuel tank Cap and fuel container cap 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...

Page 6: ...ou have any questions at all please feel free to contact us at www DRpower com DR TRIMMER MOWER Controls and Features Figure 1 Throttle Trimmer Head Engage Bar Fuel Fill Briggs and Stratton on opposite side Oil Fill Briggs and Stratton on opposite side Recoil Starter Handlebar Adjuster Trimmer Guard Cutting Cord Mow Ball Key Switch Variable Speed Drive Engage Bar Trimmer Head Engage Bar Pro XL Sel...

Page 7: ... 75 Wide Resin Steel Bearings 14 x 1 75 Wide Resin Steel D Bore Frame 14 Gage Steel 14 Gage Steel 14 Gage Steel 14 Gage Steel Mow Ball 4 Diameter Super Tough Nylon 4 Diameter Super Tough Nylon 4 Diameter Super Tough Nylon 4 Diameter Super Tough Nylon Drive Belt V Belt 3L Gates PoweRated 6744 No Substitutions V Belt 3L Gates PoweRated 6744 No Substitutions V Belt 3L Gates PoweRated 6744 No Substitu...

Page 8: ...sh correctly as you tighten the Knobs in the following step 1 Loosen both the Adjustment Knobs and move the Handlebar up or down until the Notches on the Adjusters are aligned on both sides and tighten the Knobs Figure 4 This puts the Handlebar at a comfortable operating position for many people It is important to find a Handlebar height that allows the Mow Ball to comfortably hover just above the...

Page 9: ...Figure 6 and then pull the Cords tight Figure 7 illustrates the Cords installation on the Line Plates It shows the Line Plate from a top view It may look complicated but once you have done it a couple of times it s easy There are two installation points on each Line Plate Each point is 180 degrees apart Always install two Cords one opposite the other Extending Cutting Cord Life STORE YOUR CORD OUT...

Page 10: ... will find this Protective Shipping Cap under the Fuel Fill Screw Cap or in the tank Filler Tube See your Engine Owner s Manual for more fuel information 3 Fill the Fuel Tank with fresh unleaded gas with a minimum of 85 Octane to not more than 1 4 from the bottom of the Fill Neck to allow for Fuel expansion Be careful not to overfill and reinstall the Cap before starting the Engine See your Engine...

Page 11: ...nual and Electric Starting models 1 Push the Throttle Control Lever on the right side of the Handlebar Figure 11 all the way forward Rabbit or Choke position depending upon model 2 For Briggs and Stratton Engines only push the Primer Bulb in and completely release it lifting your finger and letting it pop back to its original position Repeat three to four times Note Priming or Choking the Engine i...

Page 12: ... Engine You must follow these instructions to stop the Engine for both Electric and Manual Starting models 2 Remove the Key for safety The Key has a pressure lock that prevents it from vibrating loose during operation To remove the Key push it in and then quickly and firmly pull it out If the Key becomes difficult to remove apply SAE 30 Oil into the Keyhole Engaging the Trimmer Head 1 Bring the Tr...

Page 13: ...e top Line Plate Figure 16 Install the Cutting Cords in the Line Plate that gives you the desired cutting height Installing the Cutting Cords For more detailed information refer to Installing The Cutting Cords section in Chapter 2 Note After you install the Cords and before trimming engage the Cutting Head with the Engine running to spin the new Cords for a few seconds so they pull tight and are s...

Page 14: ...cannot cut and pull away from the Trimmer Head Please note that installing more than two 2 Cords at a time does not improve trimming performance in fact it can lessen it Adding additional Cords creates drag on the Trimmer Head robs the Engine of power and may cause wrapping Installing two 2 Cords 180 degrees apart on the same line plate is the best method for optimal trimming performance When repl...

Page 15: ...WER Figure 20 Heavy Growth Take your time in heavy growth Be sure to keep uncut material to your left maintaining a clear discharge area to your right Figure 21 If the machine cannot do it all in one pass overlap half of the cutting swath If the grass is very thick and heavy try raising the Trimmer Head off the ground a few inches by pushing down on the Handlebar Cut the material at this height an...

Page 16: ...tarter Housing and Engine Cooling Fins Please see the Engine Owner s Manual for more detailed information on cleaning the Air Intake Air Filter and Cooling System on the Engine Slopes You can trim and mow on slopes up to 20 degrees Continuous use on slopes steeper than 20 degrees may deprive the Engine of adequate lubrication and damage components Windrows The DR TRIMMER MOWER Cutting Cords cut ev...

Page 17: ...Lubricate Throttle Cable Self Propel Cable and Trimmer Control Cable with SAE 30 Oil Change the Engine Oil 1st time 5 Replace the Engine Air Filter Cartridge and foam Pre Filter if equipped Remove the Trimmer Guard and clean out any collected debris Check the Battery Voltage Electric Starting models Lubricate Chains Self Propelled models Replace the Trimmer Belt Replace the Self Propel Belt Self P...

Page 18: ...up onto the Shaft Figure 24 7 Align the flats at the center of the Plates with the flat on the shaft and slide the Line Plates onto the Shaft Ensure they are facing top side up as shown 8 Place the head of the Mow Ball Bolt so it is sitting in the hex cavity at the bottom of the Mow Ball 9 Looking down at the top of the Frame hold the Bolt Head in place with your finger and turn the Mow Ball count...

Page 19: ... Groove Idler Pulley with the Belt in the groove Make sure you place the Belt correctly between the Idler Pulley Bracket Tab and Guide Pin Figure 27 11 Rotate the Washer Plate onto the Flat Groove Idler Stud and install the Locknut using a 9 16 Wrench Tighten both Idler Locknuts using a 9 16 Wrench 12 Position the Trimmer Guard and secure with the four Bolts and Flat Washers using the 3 8 Wrench F...

Page 20: ... so the Washer Plate can be rotated out of the way Figure 30 6 Loosen the Engine Belt Guide Locknut using a 7 16 Wrench and rotate the Guide out of the way Figure 31 7 Rotate the Transmission down toward the back to slide the small Drive Belt from the Pulley groove This allows you to now remove the Trimmer Head Belt from around the Engine and Head Assembly Pulleys 8 Install a new DR Trimmer Head B...

Page 21: ... 3 8 Wrench Figure 28 15 Install the Trimmer Cord and tip the Trimmer down on the Head Assembly 16 After installing the new Belt be sure to adjust the tension properly by adjusting the In Line Adjuster all the way in refer to page 24 Proper tension will extend the life of the Belt Note Before using your Trimmer for the first time or after you have installed a new Belt engage the Trimmer Head Engag...

Page 22: ...Pulley groove Note Ensure that the Drive Cable does not kink or get over stressed during the following procedure 8 Continue to rotate the Transmission to gain access to the Belt retainers and Screws on the bottom of the Transmission Figure 37 9 Remove the two Screws where the Belt wraps around the Pulley and loosen the other two using a Philips Head Screwdriver 10 Rotate the Belt Guides away from ...

Page 23: ...Figure 38 Note The self propelled Wheel has a Flat Washer under the Locknut 3 Slide the Wheel off the Axle 4 Reverse the steps to install the new Wheel Changing the Engine Oil Tools and Supplies needed SAE 30 HD Oil refer to your Engine Owner s Manual for quantity required Suitable container for used oil Rags Wooden pallet or workbench Note Drain the oil when the Engine is warm Warm oil drains qui...

Page 24: ...sen the Cable by twisting the adjuster in the opposite direction 3 If the In Line Adjuster Cable is adjusted all the way out and more adjustment is needed then the Belt needs to be replaced Adjusting the Transmission Belt Tension through the Drive Control Cable The Drive Belt will stretch a little when new then more over time If the Trimmer does not move forward with the Wheel engagement Bar engag...

Page 25: ...eak avoid contact with the leaking acid Place the damaged Battery in a plastic bag then dispose of it properly 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 26: ...ct or your local waste handler to locate the collection site nearest you Some collection sites recycle Batteries year round others collect them periodically You can also visit the Web site of Earth 911 for more information www earth911 com Once there click the Find a Recycling Center button and type Waste Lead acid Batteries Non automotive in the search for box and enter your zip code in the Near ...

Page 27: ... following the procedure on page 23 You should be using fresh clean unleaded gas If the gas is old change it Use a fuel stabilizer if you keep gas longer than one month Check the Fuel Filter if equipped to see if it is clear Place a can under the Fuel Filter and remove the Fuel Line from the Engine side of the Filter If gas flows freely it is OK Check that the Air Filter is clean If it is dirty ch...

Page 28: ...ine Owner s Manual Remove the Spark Plug wire and dry the connection with a rag The Spark Plug may be dirty or cracked change it If it s oily leave it out hold a rag over the 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 You should be using fresh clean unleaded gas If it is old change it Use a fuel stabilizer...

Page 29: ...y be moving too fast into tough woody growth In doing so the Cords may wrap on stalks and pull out Check the operating tips in the section above on breaking Cords Make sure that you are not trying to cut material too heavy for the Cord The design of your Trimmer is to cut green material up to about the thickness of a pencil If none of the above helps visit our web site at www DRPower com or call 1...

Page 30: ...lf Propel SP Only 15 31283 Nut Lock 1 4 20 Serrated Flange 16 31089 Bracket Idler 17 31092 Pulley Idler 3L V Belt 2 0 OD 18 31093 Pulley Idler Flat 1 99 OD 19 31091 Spacer 385 X 62 X 219 ZP 20 31281 Strap Belt Retainer 21 11075 Nut Nylon Lock 3 8 16 ZP 22 31090 Spring E 30 OD 035 Wire 3 0 L 23 12336 Bolt HCS 5 16 18 X 1 1 4 GR5 ZP 24 14360 Standoff Clutch Arm Ref Part Description 25 14375 Washer 5...

Page 31: ...CONTACT US AT www DRpower com 31 Schematic Main Frame Assembly 042513 ...

Page 32: ...ar Inside 9 14373 Adjuster Handlebar Outside 10 14393 Spring C 720 OD 063 Wire 63 ZP 11 14464 Bolt C Head 5 16 18 X 3 12 31116 Screw HWH 5 16 18 X 75 Taptite 13 31112 Knob 2 25 Dia 5 16 18 Insert Ref Part Description 14 31114 Cable PTO Snap On 31297 Cable PTO Snap On Switch Mount E S Only 15 11308 Switch W Key Hardware 2 Pos E S Only 16 31299 Wire Harness TR4 B S E S Only 31300 Wire Harness TR4 Su...

Page 33: ...CONTACT US AT www DRpower com 33 Schematic Handlebar and Axle Assembly Non Self Propelled Model 042513 ...

Page 34: ...andlebar Lower 11 19135 Adjuster Handlebar Inside 12 14373 Adjuster Handlebar Outside 13 14393 Spring C 720 Od 063 Wire 63 ZP 14 14464 Bolt C Head 5 16 18 X 3 Ref Part Description 15 31112 Knob 2 25 Dia 5 16 18 Insert 16 31116 Screw HWH 5 16 18 X 75 Taptite 17 32169 Bail Bar Ergonomic LH Half 18 32521 Bail Bar W Label Self Propel 19 32161 Cable Self Propel 20 14368 Bracket Cable 21 10145 Bolt HCSs...

Page 35: ...CONTACT US AT www DRpower com 35 Schematic Handlebar and Axle Assembly Self Propelled Model 042713 ...

Page 36: ... 40 Tooth 2 Hub 7 32338 Washer Flat 510 X 875 X 10 ZP 8 32163 Axle RH Self Propel 9 32165 Sprocket 35 40 Tooth 1 2 Bore 10 17955 Bearing W Flange Ref Part Description 11 32341 Collar Shaft 1 2 Clamp On 12 32168 Chain 35 51 Link Master 13 31117 Screw HWH 1 4 20 X 3 4 Taptite 14 11073 Nut Nylon Lock 1 4 20 ZP 15 31313 Transmission 10 5 1 16 31100 Belt V 3l X 13 Wrapped 17 32159 Bracket Transmission ...

Page 37: ...CONTACT US AT www DRpower com 37 Schematic Drive train Assembly Self Propelled Model 010714 ...

Page 38: ...38 DR TRIMMER MOWER Notes ...

Page 39: ...CONTACT US AT www DRpower com 39 Notes ...

Page 40: ...nce This will coat the piston and seat the valves to prevent moisture buildup Clean or replace the Engine Air Filter Clean any dirt and debris from the cylinder head cooling fins carburetor linkage blower housing debris screen and muffler area of the Engine Remove any wrapped weeds from the Mow Ball Wheel Spokes and Axle Clean grass and debris from the top and underneath the Trimmer Frame Check to...

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DR Premier, Safety & Operating Instructions Manual

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