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12

13

Assembly

Connecting the Attachment to the 
Upper Shaft

See Figure 2.

Follow these steps to connect the attachment to the upper 

shaft.

1.

  Loosen the knob by turning it counterclockwise.

2.

  Remove the end cap from the attachment shaft.

3.

  Align the button on the attachment shaft with the guide 

recess on the upper shaft.

4.

  Slide the attachment shaft into the upper shaft until the 

attachment shaft clicks into place.

 

Note: 

You may need to turn the attachment shaft to 

properly align the two shafts.

5.

  Tighten the knob securely by turning it clockwise.

Figure 2

Figure 3

Removing the Attachment from the 
Upper Shaft

See Figure 2.

Follow these steps to remove the attachment from the upper 

shaft.

1.

  Loosen the knob by turning it counterclockwise.

2.

  Push the button while pulling out the attachment.

Attaching the Front Handle

See Figure 3.

Follow these steps to attach the front handle.

1.

  Remove the slotted Torx™ screws to separate the 

handle from the handle support.

2.

  Press the handle onto the top of the upper shaft, no 

less than 10 in. (25.4 cm) from the center of the trigger 

handle, angling the handle toward the trigger handle.

3.

  Place the handle along the upper shaft to a position that 

allows for comfortable operation.

4.

  Place the handle support on the bottom of the tube on 

the opposite side of the front handle.

5.

  Secure the handle with the slotted Torx™ screws.

Attaching the Shoulder Strap

Model Nos. 51934B, 51990 & 51991

See Figure 4.

Follow these steps to attach the shoulder strap.

1.

  Connect the latch on the strap to the hanger bracket.

2.

  Adjust the strap to a comfortable position.

 

Note:

 To quickly release the product from the shoulder 

strap, sharply pull the quick release tab.

Figure 4

Assembly

Button

Attachment 

Shaft

Guide 

Recess

Upper 

Shaft

Knob

Slotted

Torx 

Screw

Front 

Handle

Trigger 

Handle

Barrier Bar

(Model Nos. 

51934B, 
51990 & 

51991

Handle 

Support

Strap

Latch

Hanger 

Bracket

Quick

Release 

Tab

Summary of Contents for 51930B

Page 1: ...l No 51951 250000001 Up Model No 51971 250000001 Up Model No 51991 250000001 Up Model No 51930B 240000001 Up Model No 51932B 240000001 Up Model No 51934B 240000001 Up English EN French F and Spanish E...

Page 2: ...er to B Choke Open and pull the starter cord If the engine does not start within 5 pulls refer to To Start a Cold Engine later in this manual Flooded Engine Will the engine start If not it may be floo...

Page 3: ...Trimmer 15 Converting from Trimmer to Brushcutter 16 Operation 17 Mixing the Fuel 17 Filling the Tank 17 Starting the Product 18 Stopping the Product 18 Operating the Trimmer 19 Operating the Brushcu...

Page 4: ...ct properly and safely You are also responsible for training persons you allow to use the product about safe operation The Toro warning system in this manual identifies potential hazards and has speci...

Page 5: ...own or become Safety Rules WARNING Read and understand all instructions Failure to follow all instructions may result in serious personal injury as well as damage to the product entangled in the cutti...

Page 6: ...autions that involve your safety Read the Operator s Manual Read the operator s manual before starting or operating this product Failure to follow operating instructions and safety precautions in the...

Page 7: ...ing power tool operation always wear safety goggles or safety glasses with side shields and a full face shield when needed We recommend Wide Vision Safety Mask for use over eyeglasses or standard safe...

Page 8: ...near any area of potential danger Replace damaged or lost labels Part No 983961 001 Shoulder Strap Part No 983647 001 Part No 983648 001 Part No 984032 001 Part No 985102 001 Part No 984105 001 Part...

Page 9: ...ter 18 in for trimmer Line Size 095 in Weight Model Nos 51930B 51950 51951 12 1 2 lbs Model Nos 51932B 51970 51971 13 1 2 lbs Model Nos 51934B 51990 51991 13 1 2 lbs Applications Use this product for...

Page 10: ...d for comfort and ease of grasp when operating in different positions and at different angles Curved Shaft Trimmer Feature Model Nos 51930B 51950 51951 Grass Barrier The grass barrier keeps grass from...

Page 11: ...Trimmer Model Nos 51932B 51970 51971 Front Handle Engine Trigger Handle Curved Shaft Grass Deflector Grass Barrier Engine Trigger Handle Curved Shaft Trimmer Model Nos 51930B 51950 51951 Front Handle...

Page 12: ...result in serious personal injury Unpacking Packing List Upper shaft Power head 1 Attachment shaft Cutting head 1 Handle 1 Curved shaft grass deflector 1 Model Nos 51930B 51950 51951 Straight shaft gr...

Page 13: ...s to attach the front handle 1 Remove the slotted Torx screws to separate the handle from the handle support 2 Press the handle onto the top of the upper shaft no less than 10 in 25 4 cm from the cent...

Page 14: ...ass barrier 4 Place the flat washer and lock washer on the hex head cap screw 5 Place the wing nut or hex nut on the hex head cap screw and turn clockwise to secure Figure 5 3 Align the screw hole in...

Page 15: ...anged washer from the gear shaft and retain it for the trimmer head assembly installation 6 Remove the three screws securing the brushcutter guard 7 Remove the brushcutter guard Note Store the brushcu...

Page 16: ...uard Follow these steps to attach the brushcutter guard 1 Place the guard onto the gear head as shown 2 Insert the three hex head screws from the bottom through the guard into the gear head 3 Tighten...

Page 17: ...soline Oil 1 2 US gallon 1 3 oz 1 US gallon 2 6 oz 2 US gallons 5 2 oz 1 liter 20 ml 2 liters 40 ml 3 liters 60 ml 4 liters 80 ml 5 liters 100 ml Operation Filling the Tank WARNING Always stop the eng...

Page 18: ...tarter cord three times 7 Set the choke lever to B Choke Open 8 Press the lock off button and squeeze the trigger 9 Pull the starter cord Note If the product starts let it run for 30 seconds before us...

Page 19: ...trimmer 2 Hold the trimmer at waist level with your right hand on the trigger handle and your left hand on the front handle 3 Place the product on the right side of your body with the engine behind a...

Page 20: ...best cutting area 2 The curved shaft trimmer cuts when passing the unit from right to left the straight shaft trimmer cuts when passing the unit from left to right This will avoid throwing debris at...

Page 21: ...Maintenance replacement or repair of the emission control device and systems may be performed by any non road engine repair establishment or individual Emission Part Inspect before each use Clean ever...

Page 22: ...igure 24 Figure 21 Maintenance Inner Ring Upper Threaded Area Slotted Tab Lower Threaded Area Follow these steps to replace the spool 1 Stop the trimmer WARNING Make sure the trimmer head stops rotati...

Page 23: ...3 Loosen the air filter cover by turning the knob counter clockwise 4 Remove the air filter cover 5 Remove the air filter 6 Clean the air filter with warm soapy water 7 Rinse the air filter and let i...

Page 24: ...product short term 1 Clean all foreign material from the product 2 Store the product in a well ventilated place that is inac cessible to children To Store the Product Long Term If you do not intend to...

Page 25: ...ormal starting instructions If the engine still fails to start repeat the procedure with a new spark plug 5 Contact an authorized service dealer 1 Use fresh fuel and the correct 2 cycle oil mix 2 Clea...

Page 26: ...pply to any damage to the Gas Trimmer Product that is the result of improper maintenance or to any Gas Trimmer Product that has been altered or modified so as to adversely affect the products operatio...

Page 27: ...s Warranty Responsibilities As the non road or small off road engine owner you are responsible for the performance of the required maintenance listed in your owner s manual OWT Industries Inc recommen...

Page 28: ...or maintenance contact your nearest authorized service dealer To locate your nearest authorized service dealer for this product contact us toll free at 1 866 574 9242 US or 1 866 574 9243 Canada OWT...

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