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16

TROUBLESHOOTING POINTS

   

Does not start      

1.   Dirty air fi lter.                                                       1.    Clean/replace air fi lter.

                              2.    Out of fuel.                                                           2.    Fill fuel tank.
                              3.    Stale fuel.                                                            3.    Empty fuel tank and refi ll tank with fresh,
                                                                                                                       clean gasoline.
                              4.    Water in fuel.                                                       4.    Empty fuel tank and refi ll tank with fresh,
                                                                                                                       clean gasoline.
                              5.    Spark plug wire is disconnected.                         5.    Connect wire to plug. 

 

                              6.    Bad spark plug.                                                   6.    Replace spark plug.
                              7.    Loose blade or broken blade adapter.                 7.    Tight en blade bolt or replace blade adapter.
                              8.    Control bar in released position.                          8.    Depress control bar to handle.
                              9.    Control bar defective.                                          9.    Replace control bar.
                            10.    Fuel valve lever (if equipped) in OFF position.  10.    Turn fuel valve lever to the ON position.
                            11.    Weak battery (if equipped).                                11.    Charge battery.
                            12.    Disconnected battery connector (if equipped).  12.    Connect battery to engine.

Loss of power     

1.    Rear of lawn mower housing or cutting               1.    Raise cutting height. 

                                     blade dragging in heavy grass.                                 

                              2.    Cutting too much grass.                                      2.    Raise cutting height.
                              3.    Dirty air fi lter.                                                       3.    Clean/replace air fi lter.
                              4.    Buildup of grass, leaves and trash under            4.    Clean underside of mower housing.  
                                    mower. 
                              5.    Too much oil in engine.                                       5.    Check oil level.
                              6.    Walking speed too fast.                                       6.    Cut at slower walking speed.

Poor cut –            

1.    Worn, bent or loose blade.                                  1.    Replace blade. Tighten blade bolt.

uneven

                 2.    Wheel heights uneven.                                        2.    Set all wheels at same height.

 

                             3.    Buildup of grass, leaves and trash under            3.    Clean underside of mower housing.   

                                    mower.

Excessive

             1.    Worn, bent or loose blade.                                  1.    Replace blade. Tighten blade bolt.

vibration               

2.    Bent engine crankshaft.                                       2.    Contact a qualifi ed service center.

Starter rope

          1.    Engine fl ywheel brake is on when control           1.    Depress control bar to upper handle before

hard to pull                

bar is released.                                                           pulling starter rope.

                              2.    Bent engine crankshaft.                                       2.    Contact a qualifi ed service center.
                              3.    Blade adapter broken.                                         3.    Replace blade adapter.
                              4.    Blade dragging in grass.                                      4.    Move lawn mower to cut grass or other
                                                                                                                       hard surface before starting.

Grass catcher

      1.    Cutting height too low.                                         1.    Raise cutting height.

not fi lling

              2.    Lift on blade worn off.                                          2.    Replace blade. 

(if so equipped)

   3.    Catcher not venting air.                                       3.    Clean grass catcher.

Hard to push

        1.    Grass is too high or wheel height is too low.       1.    Raise cutting height.

                              2.    Rear of lawn mower housing or cutting               2.    Raise rear of lawn mower housing one (1)
                                    blade dragging in heavy grass.                                  setting higher.
                              3.    Grass catcher too full.                                         3.    Empty grass catcher.
                              4.    Handle height position not right for you.              4.   Adjust handle height to suit.

Loss of drive       

1.    Belt wear.                                                            1.    Check/replace drive belt.

(or slowing of

      2.    Belt off of pulley.                                                  2.    Check/reinstall drive belt.

drive speed)

         3.    Drive cable worn or broken.                                3.    Put belt on pulleys / replace belts if broken.

                              4.    “Loose” drive control system.                              4.   Adjust drive control.

PROBLEM                   CAUSE                                                                       CORRECTION 

Summary of Contents for HU700L

Page 1: ...HU700L Operator s Manual 532 43 81 57 Rev 2 06 07 11 BY Printed in U S A ...

Page 2: ...vices in place See manufacturer s instructions for proper operation and installation of accessories Only use accessories approved by the manufacturer Stop the blade s when crossing gravel drives walks or roads Stop the engine motor whenever you leave the equip ment before cleaning the mower or unclogging the chute Shuttheengine motor offandwaituntilthebladecomes to complete stop before removing gr...

Page 3: ...uelingiscomplete Do not use a nozzle lock open device If fuel is spilled on clothing change clothing immedi ately Never overfill fuel tank Replace gas cap and tighten securely V GENERAL SERVICE Never run a machine inside a closed area Never make adjustments or repairs with the engine motor running Disconnect spark plug wire and keep wire away from plug to prevent accidental starting Keep nuts and ...

Page 4: ...O CONVERT MOWER in the Operation section of this manual FIG 1 OPERATOR PRESENCE CONTROL BAR HANDLE KNOB LIFT UP LIFT UP LOWER HANDLE MOWING POSITION UPPER HANDLE FIG 3 FRAME HANDLE VINYL BINDINGS FRAME OPENING TO REMOVE LAWN MOWER FROM CARTON 1 Remove loose parts included with mower 2 Cut down two end corners of carton and lay end panel down flat 3 Removeallpackingmaterialsexceptpaddingbetween upp...

Page 5: ... to start the engine Release to stop the engine HOUSING GRASS CATCHER DRIVE CONTROL LEVERS used to engage power pro pelled forward motion lawn mower STARTER HANDLE used for starting the engine OPERATOR PRESENCE CONTROL BAR STARTER HANDLE ENGINE OIL CAP WITH DIPSTICK HANDLE KNOB GASOLINE FILLER CAP These symbols may appear on your lawn mower or in literature supplied with the product Learn and unde...

Page 6: ... control bar down to the handle and pulling either drive control lever rearward to the handle The further toward the handle a lever is pulled the faster the unit will travel Forwardmotionwillstopwheneithertheoperatorpres encecontrolbaroradrivecontrolleverarereleased To stop forward motion without stopping engine release a drive control lever only Hold operator presence control bar down against han...

Page 7: ...getheoilmoreoftenun derdusty dirtyconditions See TOCHANGEENGINE OIL in the Maintenance section of this manual GASOLINE FILLER CAP ENGINE OIL CAP FIG 10 FIG 7 GRASS BAG BRACKET REAR DOOR GRASS CATCHER HANDLE GRASS CATCHER FRAME HOOK CAUTION Donotrunyourlawnmower without rear door closed or approved grass catcher or clipping deflector in place Neverattempttooperatethelawn mower with the rear door re...

Page 8: ... the lawn mower cutting height so that the lawn mower cuts off only the top one third of the grass blades See Fig 12 If the lawn is over grown it will be necessary to raise the height of cut to reduce pushing effort and to keep from overloading the engine and leaving clumps of mulched grass For extremely heavy mulching reduce your width of cut by overlapping previously cut path and mow slowly FIG ...

Page 9: ...ANTS WILL ATTRACT DUST AND DIRT THAT WILL SHORTEN THE LIFE OF THE SELF LUBRICATING BEARINGS IF YOU FEEL THEY MUST BE LUBRICATED USE ONLY A DRY POWDERED GRAPHITE TYPE LUBRICANT SPARINGLY Check for Loose Fasteners Clean Inspect Grass Catcher Check Tires Check Drive Wheels Clean Lawn Mower Clean under Drive Cover Check Drive Belt Pulleys Check Sharpen Replace Blade Lubrication Clean and Recharge Batt...

Page 10: ...adapter on the engine crankshaft Be sure key in adapter and crankshaft keyway are aligned and that the drive belt is inside the tabs of the belt retainer 2 Install debris shield 3 Position blade on the blade adapter IMPORTANT TO ENSURE PROPER ASSEMBLY CENTER HOLE IN BLADE MUST ALIGN WITH STAR ON BLADE ADAPTER 4 Besurethetrailingedgeofblade oppositesharpedge is up toward the engine 5 Installtheblad...

Page 11: ...r is not used for 25 hours in one year Check the crankcase oil level before starting the engine and after each five 5 hours of continuous use Tighten oil plug securely each time you check the oil level TO CHANGE ENGINE OIL See Figs 14 15 NOTE Before tipping lawn mower to drain oil empty fuel tank by running engine until fuel tank is empty 1 Disconnect spark plug wire from spark plug and place wire...

Page 12: ...ply and remove hose from fitting CAUTION Do not remove hose from fitting while engine is running Water in engine can result in shortened en gine life 8 Start engine as described in the Operation section of this manual and let engine run for a full minute to remove excess water from mower MAINTENANCE FITTING HOSE FIG 17 MUFFLER Inspect and replace corroded muffler as it could create a fire hazard a...

Page 13: ...E Always use factory approved belt to assure proper fit and long life 2 Reinstall gearcase belt keeper Be sure the new drive belt is inside the tabs of the gearcase belt keeper 3 Position the blade adapter on the engine crankshaft Be sure key in adapter and crankshaft keyway are aligned and that the drive belt is inside the tabs of the belt retainer 4 Place rear baffle in mower housing 5 Reinstall...

Page 14: ...BOVE THE FACTORY HIGH SPEED SETTING CAN BE DANGEROUS IF YOU THINK THE ENGINE GOVERNED HIGH SPEED NEEDS ADJUSTING CONTACTYOURNEARESTAUTHORIZEDSERVICECENTER WHICH HAS PROPER EQUIPMENT AND EXPERIENCE TO MAKE ANY NECESSARY ADJUSTMENTS STORAGE Immediately prepare your mower for storage at the end of the season or if the unit will not be used for 30 days or more HANDLE See Figs 19 and 20 You can fold yo...

Page 15: ...tank and carburetor if using fuel stabilizer ENGINE OIL Drain oil with engine warm and replace with clean en gine oil See ENGINE in the Maintenance section of this manual CYLINDER 1 Remove spark plug 2 Pour one ounce 29 ml of oil through spark plug hole into cylinder 3 Pull starter handle slowly a few times to distribute oil 4 Replace with new spark plug OTHER Do not store gasoline from one season...

Page 16: ...ven 2 Wheel heights uneven 2 Set all wheels at same height 3 Buildup of grass leaves and trash under 3 Clean underside of mower housing mower Excessive 1 Worn bent or loose blade 1 Replace blade Tighten blade bolt vibration 2 Bent engine crankshaft 2 Contact a qualified service center Starter rope 1 Engine flywheel brake is on when control 1 Depress control bar to upper handle before hard to pull ...

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