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12

 

        

DR

®

 

7.25 ALL-TERRAIN TRIMMER/MOWER

 

Always make sure you remove the screwdriver from the head assembly when 
finished.  Failure to remove the screwdriver could cause injury when the head 
assembly is engaged. 

11.

 

Tighten the assembly securely by turning the Mow-Ball

®

 counterclockwise 

when looking down on the top of the Frame (

Figure 13

). 

12.

 

Remove the Screwdriver. 

Adjusting the Tow Bar Offset 

Tools Needed: 

 

9/16" Wrench 

Note:

  This procedure is easier with the Trimmer disconnected from the Tow Vehicle. 

1.

 

Disconnect the Trimmer from the Tow Vehicle. 

2.

 

Remove the front Bolt using a 9/16" Wrench (

Figure 14

). 

3.

 

Loosen the rear Bolt using a 9/16" Wrench only enough to allow the Tow Bar 
to rotate. 

4.

 

Rotate the Tow Bar to align the holes for the desired offset (

Figure 15

). 

5.

 

Reinstall the front Bolt and tighten both Bolts using a 9/16" Wrench. 

Hitching the Trimmer to the Tow Vehicle 

1.

 

Position the Tow Hitch onto the Tow Vehicle Hitch and secure with the 
clevis Pin, Flat Washer and Hitch Clip (

Figure 16

). 

2.

 

If your Tow Vehicle Hitch will not fit adequately into the Tow Hitch opening, 
you can mount the Tow Bar on top of the Tow Vehicle Hitch. 

Note:

  The preferred method is to locate the Tow Vehicle Hitch inside the Tow Hitch 

opening. 

Leveling the Trimmer 

Tools Needed: 

 

Two 9/16" Wrenches 

Note:

  When cutting height is set by the Caster Wheel Spacers and/or the Cord 

Head location you must also level the machine by adjusting the Tow Hitch height. 

1.

 

Remove the two Bolts and Locknuts that secure the Hitch to the Tow Bar 
and position the Hitch at the desired setting to level the machine (

Figure 

16

).  Ensure the bottom of the Tracking Wheel Support is level with the 

ground and has a minimum clearance of 4-1/2". 

2.

 

Install the two Bolts and Locknuts and tighten with two 9/16" Wrenches. 

Note:

  The Tow Hitch can be rotated to position the Clevis Pin holes at the top or 

bottom depending on how much adjustment you need to adjust the Tow Bar to level 
the machine. 

Cord Head 

Figure 13 

Mow-Ball

®

 

Molded 
Spacer 

Figure 15 

Flange Bolts 
and Lock 
Washers 

Pivot 
Assembly 

Figure 14 

Tow Bar Assembly 

Front Flange 
Bolt and 
Lock Washer 

Rear Flange 
Bolt and 
Lock Washer 

40° Offset 

20° Offset 

Tow Hitch 

Figure 16 

Clevis Pin 

Hitch Clip 

Tow Bar 

Bolts and 
Locknuts 

Summary of Contents for 7.25 ALL-TERRAIN TRIMMER/MOWER

Page 1: ...RUCTIONS 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 Read and understand this manual and all instructions...

Page 2: ...er 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 pro...

Page 3: ...hine Always wear protective goggles or safety glasses with side shields while trimming to protect your eyes from possible thrown debris Avoid wearing loose clothing or jewelry which can catch on the m...

Page 4: ...ine wait 5 minutes disconnect the spark plug wire keeping it away from the spark plug to prevent accidental starting before making adjustments or repairs Never tamper with the engine s governor settin...

Page 5: ...DR 7 25 ALL TERRAIN TRIMMER MOWER is a powerful tool not a plaything Exercise extreme caution at all times The design of your machine is for trimming and mowing grass weeds and other growth as specifi...

Page 6: ...ure 1 before beginning these procedures If you have any questions at all please feel free to contact us at www DRpower com DR 7 25 ALL TERRAIN TRIMMER MOWER Controls and Features Figure 1 Cutting Cord...

Page 7: ...21 in 1 5 increments Machine Dimensions 81 L x 60 W x 23 H Machine Weight 262 lbs Ground Clearance 4 minimum Tow Bar Length 40 ASSEMBLY Hardware Bag Parts Figure 2 and Table Below Item Part no Descrip...

Page 8: ...he Fuel and Oil Fills until you are ready to pour either gasoline or oil into the correct Fill Note You will need approximately 15 to 22 ounces of SAE 30 high detergent oil depending on Engine type Us...

Page 9: ...Check the Dipstick and continue adding a few ounces of oil at a time rechecking the Dipstick until the oil reaches the fill mark Be careful not to overfill 4 Fill the Fuel Tank with fresh unleaded ga...

Page 10: ...d quality are controlled by a combination of the Cord Head height and Caster Wheel Spacer arrangement It takes time and practice to learn what the best combinations of settings for different condition...

Page 11: ...Screwdriver with at least a 6 shank Gloves 1 Align the hole in the Anti Wrap Canister with the hole in the internal housing at the location shown Figure 11 2 Insert a Philips Head Screwdriver into the...

Page 12: ...e Hitch will not fit adequately into the Tow Hitch opening you can mount the Tow Bar on top of the Tow Vehicle Hitch Note The preferred method is to locate the Tow Vehicle Hitch inside the Tow Hitch o...

Page 13: ...he obstacle If you do run into debris and the Trimmer becomes tangled Shut off the Tow Vehicle set the parking brake and remove the Key Shut off the Trimmer Engine and after all moving parts to come t...

Page 14: ...ord weights diameters to discover what works best for your particular mowing and trimming situations Here are a few things to keep in mind If you buy Cutting Cord in rolls cut it in 13 lengths Cut the...

Page 15: ...t time 5 hours Replace the Engine Air Filter Cartridge and foam Pre Filter if equipped Replace the Trimmer Belt Clean and inspect Cord Head assembly Replace the Spark Plug Cleaning the top of the Engi...

Page 16: ...may need to clean grass or debris out of the recess first 5 Slide the Cord Head Adapter and Molded Spacer off the Shaft Figure 24 6 The Anti Wrap Can and Spacer should remain on the Shaft with the Scr...

Page 17: ...d Head assembly with the four Screws using a 3mm Allen Wrench 9 Reinstall the Cord Head as described in the Replacing the Mow Ball or Cord Head section Replacing the Drive Belt Tools needed 3 8 Wrench...

Page 18: ...to the Tracking Wheel Support 5 Secure with the Bolt and Locknut using a 1 1 16 Wrench and a 1 1 8 Wrench but Do not over tighten because the Wheel will not rotate properly Check the Tire Pressure Cas...

Page 19: ...that secure the Engine Mount to the Frame using a 3 8 Wrench Figure 34 3 Make sure to securely tighten the Gas Fill Cap 4 Remove the Oil Cap Dipstick and position a suitable oil receptacle beside the...

Page 20: ...nt of clean oil If the oil is dirty change it following the procedure on page 19 You should be using fresh clean unleaded gas If the gas is old change it Use a fuel stabilizer if you keep gas longer t...

Page 21: ...om or call 1 800 DR OWNER 376 9637 for assistance The Trimmer Head won t spin or lacks power Check for proper alignment of the V Belt Check it against Figure 30 in the Replacing the Belt section on pa...

Page 22: ...18 10189 Grease Fitting 1 4 28 Straight 19 31096 Spindle Trimmer 20 31099 Spacer 680 X 984 X 310 ZP 21 31098 Can Anti Wrap 22 32447 Guard Deflector With Labels Ref Part Description 23 32442 Label Str...

Page 23: ...CONTACT US AT www DRpower com 23 Schematic Drive Assembly 021114...

Page 24: ...8 L 18 32389 Spring Limiter 19 34330 Spring Strut 20 34315 Support Tracking Wheel 21 32231 Wheel 9 X 3 50 4 Ref Part Description 22 34320 Spacer 25mm OD X 2 5mm Wall X 25mm L 23 32207 Support Wheel 24...

Page 25: ...CONTACT US AT www DRpower com 25 Schematic Frame and Tow Bar Assembly 021114...

Page 26: ...26 DR 7 25 ALL TERRAIN TRIMMER MOWER Notes...

Page 27: ...CONTACT US AT www DRpower com 27 Notes...

Page 28: ...eded Release Drive Belt from Tensioner to relieve Belt stress Check the general condition of the machine e g nuts bolts welds etc Replace parts or tighten Hardware as needed Store in a dry covered are...

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