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Generac Power Systems 6.75, Operator'S Manual

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Generac Power Systems 6.75 Operator'S Manual Download Page 3

CONTACT US AT 

1-888-545-6576

         3

 

Chapter 1: General Safety Rules 

Labels 

Your TRIMMER/MOWER carries prominent labels as reminders for its proper and safe use.  Shown below are copies of 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 
TRIMMER/MOWER as you set up and before you operate the unit. Replace damaged or missing safety and information labels 
immediately. 

Protecting Yourself and Those Around You

Read this safety & operating Instructions manual before you use the TRIMMER/MOWER.  Become familiar with the operation 
and service recommendations to ensure the best performance from your machine. If you have any questions or need assistance, 
please contact us at 1-888-545-6576 and one of our Technical Support Representatives will be happy to help you. 

This is a high-powered machine, with moving parts operating with high energy at high speeds.  You must operate the machine 
safely.  Unsafe operation can create a number of hazards for you, as well as anyone else in the nearby area.  Always take the 
following precautions when using this machine: 

 

Keep in mind that the operator or user is responsible for accidents or hazards occurring to 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 treads when using your TRIMMER/MOWER.  If you have safety shoes, we recommend wearing 
them.  Do not use the machine while barefoot or wearing sandals with exposed toes or heels. 

 

Wear long pants while operating the TRIMMER/MOWER. 

 

Use ear protectors or ear plugs rated for at least 20 dba to protect your hearing. 

 

Keep bystanders at least 50 feet away from your work area at all times.  The tips of the cutting cords on the 
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.  Doing so could cause personal injury or 
property damage from thrown objects.  Release the bail bar to stop the spinning cords and shut off the engine when another 
person or pet approaches. 

 

Never tamper with safety devices.  Check their proper operation regularly. 

 

Never operate the machine when under the influence of alcohol, drugs, or medication. 

 

In an emergency, to quickly stop the cutting cords, remove your hand from the bail bar. 

#13649 

#14823 

#13758 

#32343 

Summary of Contents for 6.75

Page 1: ...MMER MOWER Read and understand this manual and all instructions before operating the TRIMMER MOWER Serial No Order No Generac Power Systems Toll free phone 1 888 545 6576 Original Language Models 6 75 7 25 8 75 8 75 Self Propelled ...

Page 2: ...tain your order history and is located on the upper left portion of your packing slip For your convenience and ready reference enter the Serial Number and Order Number in the space provided on the front cover of this manual Additional Information and Potential Changes Generac Power Systems reserves the right to discontinue change and improve its products at any time without notice or obligation to...

Page 3: ...perty 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 treads when using your T...

Page 4: ... the 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...

Page 5: ...le 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 to prevent a fi...

Page 6: ...e feel free to contact us at 1 888 545 6576 TRIMMER MOWER Controls and Features Figure 1 Throttle Control Lever opposite side on 6 75 7 25 models Trimmer Head Engage Bar Fuel Fill opposite side on 6 75 7 25 Electric Start models Oil Fill opposite side on 6 75 7 25 Electric Start models Recoil Starter Handlebar Adjuster Trimmer Guard Cutting Cord Mow Ball Variable Speed Drive Engage Bar Trimmer Hea...

Page 7: ... 155 Round Blue 175 Spiral 25 Long Wheels 14 x 1 75 Wide Resin Steel Bearings 16 x 1 75 Wide Resin Steel Bearings 16 x 1 75 Wide Resin Steel Bearings 14 x 1 75 Wide Resin Steel D Bore Handlebars Straight Ergonomic Ergonomic Ergonomic 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 Diamet...

Page 8: ... 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 g...

Page 9: ...igure 6 and then pull the Cords tight Figure 7 illustrates the Cords installation on the Line Plates from the 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 on the same Line Plate one opposite the other Extending Cutting Cord Life STORE YOUR CORD OUT...

Page 10: ...the fill mark Be careful not to overfill 3 Fill the Fuel Tank with fresh unleaded gas with a minimum of 85 Octane and no more than 10 Ethanol 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 Owner s Manual for more information Note To refill the Fuel Tank turn the Engine OFF...

Page 11: ... way forward to the Run position Figure 10 Note The 6 75 EXi 7 25 EXi and 8 75 models do not have a Choke or Primer Bulb Step 2 can be ignored 2 For 6 75 Electric Start models 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 For 7 25 Electric Start models only move the Choke Lever left to the CHOK...

Page 12: ...y does not stop the Engine You must follow these instructions to stop the Engine for both Electric and Manual Starting models 1 Move the Throttle Control Lever Figure 12 all the way back past the Idle position 2 Remove the Key for safety If the Key becomes difficult to remove apply SAE 30 Oil into the Keyhole Engaging the Trimmer Head 1 Bring the Trimmer Head Engage Bar toward you and grip it toge...

Page 13: ...ing the 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 1 Insert the ends of the Cord into the side openings in the Line Plate Figure 17 2 Push the Cord through until the ends come out the center opening in the Line Pla...

Page 14: ...y cannot cut and pull away from the Trimmer Head Please note that installing more than two 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 Cords 180 degrees apart on the same line plate is the best method for optimal trimming performance When replac...

Page 15: ...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 and th...

Page 16: ... Recoil Starter 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 TRIMMER MOWER Cutting Cords ...

Page 17: ...e Cable Self Propel Cable and Trimmer Control Cable with SAE 30 Oil Change the Engine Oil excluding 6 75 EXi and 7 25 EXi models 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 S...

Page 18: ...up as shown Align the flats at the center of the Line Plates with the flat on the shaft as you slide them onto the Shaft Ensure the Tabs on the underside of the Line Plates are fully into the holes on the tops of the Line Plates so they will fit together tightly 3 Place the head of the Mow Ball Bolt so it is sitting in the hex cavity at the bottom of the Mow Ball 4 Looking down at the top of the F...

Page 19: ...he Belt in the groove Make sure you place the Belt correctly between the Idler Pulley Bracket Tab and Guide Pin Figure 27 10 Rotate the Washer Plate onto the Flat Groove Idler Stud and install the Locknut using a 9 16 Wrench Figure 26 Tighten both Idler Locknuts using a 9 16 Wrench 11 Position the Trimmer Guard and secure with the four Bolts and Flat Washers using the 3 8 Wrench Figure 25 12 Insta...

Page 20: ...f the Frame using a 7 16 Wrench and rotate the Guide out of the way Figure 31 7 Loosen the left side Engine Belt Guide Locknut using a 7 16 Wrench This allows some movement in the Belt guide for Transmission clearance 8 Rotate the Transmission down toward the back just enough to slide the small Drive Belt from the Engine Pulley 9 Remove the Trimmer Head Belt from around the Engine and Head Assembl...

Page 21: ...3 8 Wrench Figure 28 18 Install the Trimmer Cord and tip the Trimmer down on the Head Assembly 19 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 Engage...

Page 22: ... remove the Eyelet from the Bail Bar Figure 35 6 Remove the Cable Bracket from the Handlebar using two 7 16 Wrenches 7 Disconnect the Z bend end of the Drive Cable from the Bracket Figure 36 8 Loosen the rear Drive Belt Guide Locknut using a 7 16 Wrench and rotate the Guide out of the way Figure 37 9 Loosen the left side Locknut from the Engine Belt Guide to allow for some movement of the Belt Gui...

Page 23: ...ion centered behind the Engine Pulley and tighten the Locknut with a 7 16 Wrench 19 Reconnect the Z bend end of the Drive Cable into the Bracket hole Figure 36 20 Reattach the Cable Bracket to the Handlebar using two 7 16 Wrenches Figure 35 21 Install the Drive Cable Eyelet to the Bail Bar using a 7 16 Wrench 22 Install the Transmission Cover and secure with the four Bolts and Flat Washers using a...

Page 24: ...ap 4 Using the handle of the TRIMMER MOWER tip the machine to drain the oil out through the Oil Filler Tube into a suitable receptacle Figure 40 5 Refill the Engine using SAE 30 HD oil to the level indicated on the Dipstick Note Be sure to use environmentally safe disposal procedures in the disposing of the used oil Adjusting the Trimmer Head Belt Tension through the Trimmer Control Cable The Belt...

Page 25: ...emperatures between 40 F 5 C and 95 F 35 C Make sure the storage temperatures will never be outside of these limits The lower the storage temperature is within the specified temperature the better as the battery will discharge more slowly at lower temperatures Do not charge an already charged Battery In theory you cannot overcharge our Battery with a trickle charger however when a Battery is fully...

Page 26: ... Disposing of the Battery Responsibly The Battery is a sealed lead acid Battery Recycle or dispose of it in an environmentally sound way Do not dispose of a lead acid Battery in a fire the Battery may explode or leak Do not dispose of a lead acid Battery in your regular household trash Law in most areas prohibits incinerating disposing in a landfill or mixing a sealed lead acid Battery with househ...

Page 27: ... procedure on page 24 You should be using fresh clean unleaded gas with no more than 10 Ethanol 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...

Page 28: ...lowing the procedure in the Engine 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 with no more ...

Page 29: ... are pulling out You may 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 call us at 1 888 545 657...

Page 30: ...4 18013 Bolt Tri 1 4 20 X 1 E S Only 15 32160 Bracket Cable Self Propel SP Only 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 Ref Part Description 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 ...

Page 31: ...CONTACT US AT 1 888 545 6576 31 Schematic Main Frame Assembly ...

Page 32: ...75 Only 31288 Bail Bar Ergonomic 8 19135 Adjuster Handlebar 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 Ref Part Description 13 31112 Knob 2 25 Dia 5 16 18 Insert 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 3129...

Page 33: ...CONTACT US AT 1 888 545 6576 33 Schematic Handlebar and Axle Assembly Non Self Propelled Model 17 18 19 20 on opposite side for 8 75 Model ...

Page 34: ...373 Adjuster Handlebar Outside 13 14393 Spring C 720 OD 063 Wire 63 ZP 14 14464 Bolt C Head 5 16 18 X 3 15 31112 Knob 2 25 Dia 5 16 18 Insert 16 31116 Screw HWH 5 16 18 X 75 Taptite Ref Part Description 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 1 4 20 X 1 1 2 GR2 ZP 22 11073 Nut Nylon Lock 1 4 20 Z...

Page 35: ...CONTACT US AT 1 888 545 6576 35 Schematic Handlebar and Axle Assembly Self Propelled Model ...

Page 36: ...t 35 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 11 32341 Collar Shaft 1 2 Clamp On Ref Part Description 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 Transmiss...

Page 37: ...CONTACT US AT 1 888 545 6576 37 Schematic Drive train Assembly Self Propelled Model ...

Page 38: ...38 GENERAC TRIMMER MOWER Notes ...

Page 39: ...The warranty holder is responsible for replacement of normally wearing parts such as the Drive Belt s Cutting Cords Air Filter Mow Ball Support Battery Debris Guard Trimmer Guard and Spark Plug Accessories to the machine are not covered by this warranty During the warranty period the warranty holder is responsible for the machine transportation charges if required During the warranty period warran...

Page 40: ...stance 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...

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