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6.

Do not operate machine while under the influence of  
alcohol or drugs.  

7.

Muffler and engine become hot and can cause a burn. Do 
not touch.

8.

Exercise extreme caution when operating on or crossing 
gravel surfaces. Stay alert for hidden hazards or traffic.

9.

Exercise caution when changing direction and while 
operating on slopes. 

10. Plan your snow throwing pattern to avoid discharge 

towards windows, walls, cars etc. To avoid property 
damage or personal injury caused by a ricochet. 

11. Never direct discharge at children, bystanders and pets 

or allow anyone in front of the machine. 

12. Do not overload machine capacity by attempting to clear 

snow at too fast of a rate.

13. Never operate this machine without good visibility or 

light. Always be sure of your footing and keep a firm hold 
on the handles. Walk, never run.

14. Disengage power to the auger/impeller when 

transporting or not in use.

15. Never operate machine at high transport speeds on 

slippery surfaces. Look down and behind and use care 
when in reverse.  

16. If the machine should start to vibrate abnormally, stop the 

engine, disconnect the spark plug and ground it against 
the engine. Inspect thoroughly for damage. Repair any 
damage before starting and operating.

17. Disengage all clutch levers and stop engine before you 

leave the operating position (behind the handles). Wait 
until the auger/impeller comes to a complete stop before 
unclogging the discharge chute, making any 
adjustments, or inspections. 

18. Never put your hand in the discharge or collector 

openings. Always use a clearing tool to unclog the 
discharge opening. 

19. Use only attachments and accessories approved by the 

manufacturer (e.g. wheel weights, tire chains, cabs etc.).

20. If situations occur which are not covered in this manual, 

use care and good judgment. Contact your dealer or 
telephone 1-800-528-1009 for assistance and the name 
of your nearest servicing dealer.

Maintenance & Storage

1.

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

2.

Disengage all clutch levers and stop engine. Wait until 
the auger/impeller come to a complete stop. Disconnect 
the spark plug wire and ground against the engine to 
prevent unintended starting before cleaning, repairing, or 
inspecting. 

3.

Check bolts, and screws for proper tightness at frequent 
intervals to keep the machine in safe working condition. 
Also, visually inspect machine for any damage. 

4.

Do not change the engine governor setting or over-speed 
the engine. The governor controls the maximum safe 
operating speed of the engine.

5.

Snow thrower shave plates and skid shoes are subject to 
wear and damage. For your safety protection, frequently 
check all components and replace with original 
equipment manufacturer’s (O.E.M.) parts only.  “Use of 
parts which do not meet the original equipment 
specifications may lead to improper performance and 
compromise safety!”

6.

Check clutch controls periodically to verify they engage 
and disengage properly and adjust, if necessary. Refer to 
the adjustment section in this operator’s manual for 
instructions.

7.

Maintain or replace safety and instruction labels, as 
necessary.

8.

Observe proper disposal laws and regulations for gas, 
oil, etc. to protect the environment.

9.

Prior to storing, run machine a few minutes to clear snow 
from machine and prevent freeze up of auger/impeller.

10. Never store the machine or fuel container inside where 

there is an open flame, spark or pilot light such as a water 
heater, furnace ,clothes dryer etc.

11. Always refer to the operator’s manual for proper 

instructions on off-season storage. 

Your Responsibility:

 

Restrict the use of this power machine to persons who 
read, understand and follow the warnings and 
instructions in this manual and on the machine.

Summary of Contents for 521E

Page 1: ... unless the engine s exhaust system is equipped with a spark arrester meeting applicable local or state laws if any If a spark arrester is used it should be maintained in effective working order by the operator In the State of California the above is required by law Section 4442 of the California Public Resources Code Other states may have similar laws Federal laws apply on federal lands A spark a...

Page 2: ... authorized dealer You can locate the model number by standing behind the unit in the operating position and looking down at the dash panel A sample model plate is explained below For future reference please copy the model number and the serial number of the equipment in the space below CALLING CUSTOMER SUPPORT If you have difficulty assembling this product or have any questions regarding the cont...

Page 3: ... or repair to protect your eyes Thrown objects which ricochet can cause serious injury to the eyes 3 Do not operate without wearing adequate winter outer 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 4 Use a grounded three wire extension cord and receptacle for all units w...

Page 4: ...se care and good judgment Contact your dealer or telephone 1 800 528 1009 for assistance and the name of your nearest servicing dealer Maintenance Storage 1 Never tamper with safety devices Check their proper operation regularly 2 Disengage all clutch levers and stop engine Wait until the auger impeller come to a complete stop Disconnect the spark plug wire and ground against the engine to prevent...

Page 5: ... Assembly WARNING Disconnect the spark plug wire and ground it against the engine to prevent unintended starting Raising Upper Handle Loosen the hand knob on each side of the handle Remove packing material if any Figure 3 Raise the upper handle in the direction shown in Figure 3 till it clicks into the operating position Make sure not to pinch or crimp the cable Tighten the hand knobs Attaching Co...

Page 6: ... thrower See Figure 6 Rotate the crank to align holes and insert the cotter pin Bend ends of cotter pin in opposite directions to secure See Figure 6 Figure 6 Secure eyebolt with 5 16 saddle washer and hex nut The cupped side of washer goes against the handle Adjust lower hex nut until the eyebolt is positioned so that the chute crank turns freely does not bind Move upper hex nut down against the ...

Page 7: ...dle the auger control handle is used to engage and disengage the augers The snow thrower is designed to be propelled by the rotation of the augers Pull the control handle back against the upper handle to engage the augers release to disengage Chute Crank Located on right side of dash panel the chute crank determines the direction that snow will be discharged Turn clockwise to discharge snow to the...

Page 8: ...uctions carefully prior to operating the electric starter Determine that your house wiring is a three wire grounded system Ask a licensed electrician if you are not certain If your house wiring system is not a three wire grounded system do not use this electric starter under any conditions If your home electrical system is grounded but a three hole receptacle is not available one should be install...

Page 9: ...Figure 12 The wheels shave plate and augers should all contact level surface Note that if the shave plate is adjusted too high snow may blow under the housing If the shave plate wears out excessively or the unit will not self propel the shave plate may be adjusted too low NOTE On new units or units with a new shave plate installed the augers may be slightly off the ground Figure 12 To adjust tip t...

Page 10: ... any maintenance The warranty on this snow thrower does not cover items that have been subjected to operator abuse or negligence To receive full value from the warranty operator must maintain the snow thrower as instructed in this manual Changing of engine governed speed will void engine warranty Some adjustments will have to be made periodically to maintain your unit properly All adjustments in t...

Page 11: ... Reinstall the belt cover Figure 17 Engine Refer to the separate engine operator s manual packed with your snow thrower for all engine maintenance procedures Check engine and snow thrower frequently for loose hardware and tighten as needed Lubrication Lubricate pivot points on the control handle and the extension spring at the end of the clutch cable with a light oil once every season and before s...

Page 12: ...rheats 1 Gasoline and oil not mixed correctly 2 Carburetor out of adjustment 1 Drain fuel tank and refill with proper fuel mixture 2 Refer to engine manual Loss of power 1 Spark plug wire loose 2 Vent in gas cap plugged 3 Exhaust port plugged 1 Connect and tighten spark plug wire 2 Clear vent 3 Clean port Excessive vibration 1 Loose parts or damaged auger 1 Stop engine immediately and disconnect s...

Page 13: ...able Housing w o Throttle 9 747 0956 Auger Bail Gull Wing 10 749 0711A Upper Handle Gull Wing 5 9 10 7 4 8 3 6 2 7 4 1 NOTE For painted parts please refer to the list of color codes below Please add the applicable color code wherever needed to the part number to order a replacement part For instance if a part numbered 700 xxxx is painted Cub Yellow the part number to order would be 700 xxxx 0716 C...

Page 14: ...14 Model 521E 7 22 10 46 37 31 34 13 21 38 3 30 35 6 27 39 40 1 20 14 6 35 30 6 5 28 25 45 42 13 44 7 22 33 9 17 18 15 4 2 11 26 19 26 16 32 23 12 36 41 8 ...

Page 15: ...9 Lock Washer 30 741 0600 Ball Bearing 31 746 0910A Cable Clutch 32 748 0234 Spacer 33 749 0796 Handle Lower 34 756 0313 Flat Idler 35 784 5174 Bearing Cup 36 784 5176 Cover Belt 37 784 5175B Idler Brake Bracket 38 684 0114 Blower Housing 39 784 5485 Auger Ass y Comp 40 753 0613 Auger Rubber Replacement 41 710 0352 Hex Washer Screw 42 784 5720 Crank Bracket 43 710 0451 Cap Screw 44 736 0242 Bell W...

Page 16: ...16 Model 521E 5 3 5 20 29 22 16 7 4 6 23 8 9 27 2 10 28 26 21 7 25 7 13 15 14 19 18 24 11 17 ...

Page 17: ...5 1425 Switch Key Recoil Start 17 726 0100 Push Cap 18 731 1089A Choke Cover 19 731 1133B Spilling Cup 20 731 2109 Shroud 21 Beige 21 735 0234 Rubber Grommet 22 736 0119 Lock Washer 23 736 0185 Flat Washer 24 736 0225 Internal Lock Washer 25 736 0451 Saddle Washer 26 747 0697 Eyebolt 27 747 0737 Upper Chute Crank 28 750 0785 Spacer 29 7510009636 Mitten Grip Handle NOTE For painted parts please ref...

Page 18: ...2 705 5139A Support Bracket Gas Tank 3 710 0157 Hex Screw 5 16 24 x 75 4 710 1003 Special Screw 5 710 1652 Self Tapping Screw 6 710 3013 Hex Screw 1 4 20 x 50 7 710 3025 Hex Screw 5 16 24 x 625 8 726 0152 Mounting Clamp 9 726 0205 Hose Clamp 10 731 2113A Cup 11 736 0119 Lock Washer 12 736 0242 Beleville Washer 13 736 0329 Lock Washer 14 741 0475 Plastic Bushing 15 Recoil Handle Obtain from engine ...

Page 19: ...19 Model 521E ...

Page 20: ...adet equipment used commercially is warranted for one year only Commercial use is defined as either having hired operators or used for income producing purposes Items not covered The warranty does not cover routine maintenance items such as lubricants filters oil fuel air and hydraulic cleaning tune ups brake and or clutch inspection adjustments made as part of normal maintenance blade sharpening ...

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