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Problem

Cause

Remedy

Engine fails to start

 Choke not in ON position.

1. 

Spark plug wire disconnected.

2. 

Fuel tank empty or stale fuel.

3. 

Engine not primed.

4. 

Faulty spark plug. 

5. 

Safety key not in ignition on engine.

6. 

Move choke to ON position.

1. 

Connect wire to spark plug.

2. 

Fill tank with clean, fresh gasoline.

3. 

Prime engine as instructed in “Operating

 

4. 

Your Snow Thrower”.

Clean, adjust gap, or replace.

5. 

Insert key fully into the switch.

6. 

Engine runs erratic

Engine running on CHOKE.

1. 

Stale fuel.

2. 

Water or dirt in fuel system.

3. 

Carburetor out of adjustment.

4. 

Move choke lever to OFF position.

1. 

Fill tank with clean, fresh gasoline.

2. 

Drain fuel tank. Refill with fresh fuel.

3. 

Contact an authorized Service Center.

4. 

Engine overheats

Carburetor not adjusted properly.

1. 

Contact an authorized Service Center.

1. 

Excessive vibration

Loose parts or damaged auger.

1. 

Stop engine immediately and disconnect 

1. 

spark plug wire. Tighten all bolts and nuts. If 

vibration continues, have unit serviced by an 

authorized Service Center.

Loss of power

Spark plug wire loose.

1. 

Gas cap vent hole plugged.

2. 

Connect and tighten spark plug wire.

1. 

Remove ice and snow from gas cap. Be 

2. 

certain vent hole is clear.

Unit fails to propel itself

Drive control cable in need of adjustment. 

1. 

Drive belt loose or damaged.

2. 

Friction wheel worn.

3. 

Adjust drive control cable. Refer to 

1. 

Maintenance and Adjustments section.

Replace drive belt. Refer to Service section

2. 

Replace friction wheel. Refer to Service 

3. 

section.

Unit fails to discharge snow

Chute assembly clogged. 

1. 

 

 

Foreign object lodged in auger. 

2. 

 

Auger control cable in need of adjustment.

3. 

Auger belt loose or damaged.

4. 

Shear pin(s) sheared.

5. 

Stop engine immediately and disconnect 

1. 

spark plug wire. Clean chute assembly and 

inside of auger housing with clean-out tool 

or a stick.

Stop engine immediately and disconnect 

2. 

spark plug wire. Remove object from auger 

with clean-out tool or a stick.

Refer to Auger Control Test.

3. 

Refer to Maintenance section.

4. 

Replace with new shear pin(s).

5. 

Troubleshooting

9

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Summary of Contents for K Style

Page 1: ...intenance Service Troubleshooting Warranty WARNING READ AND FOLLOW ALL SAFETY RULES AND INSTRUCTIONS IN THIS MANUAL BEFORE ATTEMPTING TO OPERATE THIS MACHINE FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY Operator s Manual 600 Series Snow Thrower K Style Form No 769 04033 July 2 2008 ...

Page 2: ...this entire manual prior to operating the equipment It instructs you how to safely and easily set up operate and maintain your machine Please be sure that you and any other persons who will operate the machine carefully follow the recommended safety practices at all times Failure to do so could result in personal injury or property damage All information in this manual is relative to the most rece...

Page 3: ... eyes Do not operate without wearing adequate winter outer 2 garments Do not wear jewelry long scarves or other loose clothing which could become entangled in moving parts Wear footwear which will improve footing on slippery surfaces Use a grounded three wire extension cord and receptacle 3 for all machines with electric start engines Adjust collector housing height to clear gravel or crushed 4 ro...

Page 4: ...place and working Never run an engine indoors or in a poorly ventilated area 5 Engine exhaust contains carbon monoxide an odorless and deadly gas Do not operate machine while under the influence of 6 alcohol or drugs Muffler and engine become hot and can cause a burn Do 7 not touch Keep children away Exercise extreme caution when operating on or crossing 8 gravel surfaces Stay alert for hidden haz...

Page 5: ...ere 10 there is an open flame spark or pilot light such as a water heater furnace clothes dryer etc Always refer to the operator s manual for proper 11 instructions on off season storage Check fuel line tank cap and fittings frequently for cracks 12 or leaks Replace if necessary Do not crank engine with spark plug removed 13 According to the Consumer Products Safety Commission 14 CPSC and the U S ...

Page 6: ... rotating blades inside WARNING ROTATING AUGER Do not put hands or feet near rotating parts in the auger impeller housing or chute assembly Contact with the rotating parts can amputate hands and feet WARNING THROWN OBJECTS This machine may pick up and throw and objects which can cause serious personal injury WARNING GASOLINE IS FLAMMABLE Allow the engine to cool at least two minutes before refueli...

Page 7: ...iscard any rubber bands if present They are for packaging purposes only Chute Assembly Removewingnutandhexscrewfromchutecontrolassembly 1 and clevis pin and cotter pin from chute support bracket Position the chute assembly forward facing over the chute base See Fig 3 2 Place chute assembly onto chute base and secure chute 2 control assembly to chute support bracket with clevis pin and cotter pin r...

Page 8: ... pair of replacement auger shear pins and bow tie cotter pins are included with your snow thrower Store them in your snow thrower s dash panel until needed See Fig 3 6 Chute Clean Out Tool The chute clean out tool is fastened to the top of the auger housing with a mounting clip and a cable tie at the factory Cut the cable tie before operating the snow thrower See Fig 3 7 Figure 3 6 Chute Clean out...

Page 9: ...lean around fuel fill before removing cap to fuel 1 A fuel level indicator is located in the fuel tank Fill tank 2 until fuel reaches the fuel level indictor Fig 3 8 Be careful not to overfill Checking Oil Level CAUTION The engine is shipped with oil in the engine You must however check the oil level prior to operating the snow thrower Running the engine with insufficient oil can cause serious eng...

Page 10: ...ing knob Auger Control Warning Prior to operating your snow thrower carefully read and follow all instructions below Perform all adjustments to verify your snow thrower is operating safely and properly Check the adjustment of the auger control as follows When the auger control is released and in the disengaged 1 up position the cable should have very little slack It should NOT be tight In a well v...

Page 11: ...ting the knob Activating the choke control closes the choke plate on the carburetor and aids in starting the engine Ignition Key The ignition key is a safety device It must be fully inserted in order for the engine to start Remove the ignition key when the snow thrower is not in use Note Do not turn the ignition key in an attempt to start the engine Doing so may cause it to break Figure 4 1 Recoil...

Page 12: ...ed into a 120V power source Augers When engaged the augers rotate and draw snow into the auger housing Chute Assembly Snow drawn into the auger housing is discharged out the chute assembly Gas Cap Unthread the gas cap to add gasoline to the fuel tank Auger Control The auger control is located on the left handle Squeeze the control grip against the handle to engage the augers and start snow throwin...

Page 13: ...ed to the rear of the auger housing with a mounting clip Should snow and ice become lodged in the chute assembly during operation proceed as follows to safely clean the chute assembly and chute opening Release both the Auger Control and the Drive Control 1 Stop the engine by removing the ignition key 2 Remove the clean out tool from the clip which secures it to 3 the rear of the auger housing Use ...

Page 14: ...t unless the key is inserted into ignition switch Plugtheextensioncordintotheelectricoutletlocatedonthe 3 engine Plug the other end of extension cord into a three prong 120 volt grounded AC outlet in a well ventilated area See Fig 5 2 Move throttle control to FAST rabbit position 4 MovechoketotheONposition coldenginestart Ifengineis 5 warm place choke in OFF position Push primer three to five 3 5 ...

Page 15: ...move ignition key Run engine for a few minutes before stopping to help dry off any moisture on the engine Move throttle control to STOP position 1 Remove the ignition key Removing the key will reduce the 2 possibility of unauthorized starting of the engine while equipment is not in use Keep the key in a safe place The engine cannot start without the ignition key Wipe any moisture away from the con...

Page 16: ... the tire pressure is not equal in both tires the unit may pull to one side or the other Lubrication Gear Shaft The gear hex shaft should be lubricated at least once a season or after every twenty five 25 hours of operation Allow the engine to run until it is out of fuel 1 Carefully pivot the snow thrower up and forward so that it 2 rests on the auger housing Remove the frame cover from the unders...

Page 17: ...ift lever in the fastest forward speed position 1 Loosen the hex nut on the shift cable index bracket See 2 Fig 6 4 Pivot the bracket downward to take up slack in the cable 3 Retighten the hex nut 4 Auger Control Refer to the Assembly and Set up section for instructions on adjusting the auger control cable Chute Assembly Refer to the Assembly and Set up section for instructions on adjusting the sk...

Page 18: ... Position the bracket upward to provide more slack or 6 downward to increase cable tension Retighten the upper hex nut 7 Figure 6 5 Chute Directional Control If the chute assembly does not have full range from left to right the chute control cables can be adjusted to take up slack Using a wrench loosen the upper and lower hex nuts 1 found on one cable adjuster Grasp the metal cable housing and gen...

Page 19: ...and tighten it securely 5 Oil Drain Oil Plug Figure 7 1 Refill with the recommended oil and check the oil level 6 refer to Operation section for instructions Reinstall the oil filler cap dipstick securely 7 CAUTION Thoroughly wash your hands with soap and water as soon as possible after handling used oil NOTE Please dispose of used motor oil in a manner that is friendly to the environment Take it ...

Page 20: ...k by running engine until it stops 1 Change the engine oil 2 Remove spark plug and pour approximately 1 oz 30 ml 3 of clean engine oil into the cylinder Pull the recoil starter several times to distribute the oil and reinstall the spark plug Clean debris from around engine and under around and 4 behind muffler Apply a light film of oil on any areas that are susceptible to rust Store in a clean dry...

Page 21: ...r belt off the engine pulley See Fig 8 2 3 Carefully pivot the snow thrower up and forward so that it 4 rests on the auger housing Remove the frame cover from the underside of the snow 5 thrower by removing four self tapping screws which secure it See Fig 8 3 Remove the belt as follows See Fig 8 4 6 Loosen and remove the shoulder screw which acts a as a belt keeper Unhook the support bracket sprin...

Page 22: ...Place a piece of plastic under the gas cap 1 Remove the plastic belt cover on the front of the engine by 2 removing the two self tapping screws Refer to Fig 8 1 Remove the belt as follows See Fig 8 6 3 Roll the auger belt off the engine pulley a Use a wrench to pivot the idler pulley toward the b right Lift the drive belt off engine pulley c Carefully pivot the snow thrower up and forward so that ...

Page 23: ...eel may need to be replaced Follow the instructions below Examine the friction wheel for signs of wear or cracking and replace if necessary Allow the engine to run until it is out of fuel 1 Place the shift lever in third Forward F3 position 2 Carefully pivot the snow thrower up and forward so that it 3 rests on the auger housing Remove the frame cover from the underside of the snow 4 thrower by re...

Page 24: ... you re disassembling the friction wheel and replacing only the rubber ring proceed as follows Remove the four screws which secure the friction wheel s 1 side plates together See Fig 8 11 Remove the rubber ring from between the plates 2 Reassemble the side plates with a new rubber ring 3 NOTE When reassembling the friction wheel assembly make sure that the rubber ring is centered and seated proper...

Page 25: ...ighten all bolts and nuts If vibration continues have unit serviced by an authorized Service Center Loss of power Spark plug wire loose 1 Gas cap vent hole plugged 2 Connect and tighten spark plug wire 1 Remove ice and snow from gas cap Be 2 certain vent hole is clear Unit fails to propel itself Drive control cable in need of adjustment 1 Drive belt loose or damaged 2 Friction wheel worn 3 Adjust ...

Page 26: ...l 731 06439 Slide Shoe Standard Polymer 790 00091 Slide Shoe Deluxe Steel 731 05984 Slide Shoe Deluxe Polymer 731 2643 Chute Clean out Tool 790 00117 Shave Plate 22 790 00120 Shave Plate 24 790 00121 Shave Plate 26 790 00118 Shave Plate 28 951 10630 Key 951 10292 Spark Plug Phone 800 800 7310 to order replacement parts or a complete Parts Manual have your full model number and serial number ready ...

Page 27: ...Notes 10 27 ...

Page 28: ...28 Section 11 Notes ...

Page 29: ...29 Section 11 Notes ...

Page 30: ...engine to an Authorized MTD Service Dealer as soon as a problem exists The warranted repairs should be completed in a reasonable amount of time not to exceed 30 days If you have any questions regarding your warranty rights and responsibilities you should contact a MTD Service Representative at 1 800 800 7310 and address is MTD CONSUMER GROUP P O Box 361131 Cleveland OH 44136 0019 Defects Warranty ...

Page 31: ...rge to the owner Such use will not reduce the warranty obligations of MTD 10 Add on or modified parts that are not exempted by the Air Resources Board may not be used The use of any non exempted add on or modified parts shall be grounds for disallowing a warranty claim made in accordance with this article The engine manufacturer shall not be liable under this article to warrant failures of warrant...

Page 32: ...lowing cases a Log splitter pumps valves and cylinders have a separate one year warranty b Routine maintenance items such as lubricants filters blade sharpening tune ups brake adjustments clutch adjustments deck adjustments and normal deterioration of the exterior finish due to use or exposure c Service completed by someone other than an authorized service dealer d MTD does not extend any warranty...

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