Table of Contents
Related Manuals for McCulloch MC621ES
Summary of Contents for McCulloch MC621ES
- Page 1 MC621ES MC621ES Owner's Manual Gasoline containing up to 10% ethanol (E10) is acceptable for use in this machine. The use of any gasoline exceeding 10% ethanol (E10) will void the product warranty. 443949 06.05.11 TH Printed in the U.S.A.
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Page 2: Safety Rules
CONGRATULATIONS on your purchase of a new snow thrower. It has been designed, engineered and man u fac tured to give best possible dependability and per for mance. Should you experience any problem you cannot easily remedy, please contact your nearest authorized service center. We have competent, well-trained tech ni cians and the proper tools to service or repair this unit. -
Page 3: Product Specifications
Operation Maintenance and Storage 1. Do not put hands or feet near or under rotating parts. 1. Check shear bolts and other bolts at frequent intervals Keep clear of the discharge opening at all times. for proper tightness to be sure the equipment is in safe working condition. -
Page 4: Table Of Contents
TABLE OF CONTENTS SAFETY RULES ............2-3 MAINTENANCE ............. 12-16 PRODUCT SPECIFICATIONS ........3 STORAGE ..............17 CUSTOMER RESPONSIBILITIES ........ 3 TROUBLESHOOTING ..........18 SAFETY AND INSTRUCTIONAL DECALS ....4 REPAIR PARTS ............. 20-31 SETUP................ 5-6 WARRANTY ..............32 OPERATION ............7-11 KNOW YOUR SNOW THROWER READ THIS OWNER'S MANUAL AND ALL SAFETY RULES BEFORE OPERATING YOUR SNOW THROWER. -
Page 5: Setup
Setup Loose Parts Use the chart below to verify that all parts have been shipped. Procedure Description Qty. No parts required – Unfold the handle. Carriage bolts Install the discharge chute. Flange nuts Install the discharge chute. Washers Install the discharge chute. Knob Install the discharge chute. -
Page 6: Filling The Engine With Oil
3. Filling the Engine with Oil Product Overview ENGINE See engine manual. LUBRICATION NOTE: SAE 10W30 or SAE 5W30 oil is acceptable for use in cold temperatures if engine is difficult to start. NOTE: Although multi-viscosity oils (5W30, 10W30 etc.) improve starting in cold weather, these multi-viscosity oils will result in increased oil consumption when used above 32°F. -
Page 7: Operation
Operation NOTE: For best results, purchase only the quantity of gasoline that you expect to use in 30 days. Otherwise, you may add fuel stabilizer to newly purchased gasoline NOTE: Determine the left and right sides of the machine to keep it fresh for up to 6 months. from the normal operating position. -
Page 8: Starting The Engine
Starting the Engine 3. Firmly push in the primer 2 times with your thumb, holding the primer in a for a second before releasing it each time (Figure 11). 1. Push key in (Figure 9). Figure 11 1. Primer Figure 9 1. - Page 9 Engaging the Auger Blades The electrical cord can become damaged, causing To engage the auger blades, hold the control bar against a shock or fire. the handle (Figure 14). Thoroughly inspect the electrical cord before plug- ging it into a power source. If the cord is damaged, do not use it to start the snowthrower.
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Page 10: Adjusting The Discharge Chute And Chute Deflector
IMPORTANT: During initial operation there may be wear Adjusting the Discharge between the auger blades and the scraper bar. Maximum Chute and Chute Deflector performance, both snow throwing and driving, occurs when there is zero clearance between these two parts (Figure 16). -
Page 11: Ignition Key
Clearing a Clogged Operating Tips Discharge Chute The auger blades can throw stones, toys, and other foreign objects and cause serious personal Hand contact with the rotating auger blades injury to the operator or to bystanders. inside the discharge chute is the most common cause of injury associated with snow throwers. -
Page 12: Maintenance
Maintenance NOTE: Determine the left and right sides of the machine from the normal operating position. Check for Loose Fasteners Clean / Inspect Snow Thrower Clean / Replace V-Belts Check / Replace Auger Blades and Scraper Bar Lubrication Chart Check Engine Oil Level Change Engine Oil Inspect Muffler Check / Replace Spark Plug... -
Page 13: Adjusting The Control Cable
Adjusting the Control Cable Adjusting the Control Cable 1. With the control bar disengaged, unhook and move Checking the Control Cable the control cable to the highest position. (Figure 21). Release the control bar to remove the slack in the control cable (Figure 20). -
Page 14: Changing The Engine Oil
Changing the Engine Oil 7. Clean around the oil filler cap/dipstick (Figure 24). 8. Unscrew the oil fill cap/dipstick and remove it (Figure 25). Run the engine a few minutes before changing the 9. With the snowthrower in the operating position, care- oil to warm it. -
Page 15: Servicing The Spark Plug
Servicing the Spark Plug 5. Remove the oil fill cap. 6. Remove the shroud assembly (Figure 27). 7. Install the oil fill cap. Use a NGK BPR6ES, Champion RN9YC, or BOSCH WR6DC spark plug or equivalent. 8. Disconnect the spark plug wire from the spark plug (Figure 28). -
Page 16: Maintenance
Replacing the Drive Belt 4. Install the new drive belt, routing it as shown in (Figure 31). NOTE: Route the new drive belt first around the engine If drive belt becomes worn, oil-soaked, excessively pulley, then the idler pulley, and finally around the drive cracked, frayed, or otherwise damaged, replace the belt. -
Page 17: Storage
Storage ENGINE OIL Drain oil (with engine warm) and replace with clean engine oil. (See “Changing the Engine Oil” section of this man ual). Storing the Snowthrower CYLINDER Immediately prepare your snow thrower for storage at 1. Remove spark plug. the end of the season or if the unit will not be used for 30 2. -
Page 18: Troubleshooting
Troubleshooting See appropriate section in manual unless directed to an authorized service center/department. PROBLEM CAUSE CORRECTION Does not start 1. Safety ignition key is not inserted. 1. Insert safety ignition key. 2. Out of fuel. 2. Fill fuel tank with fresh, clean gasoline. 3. - Page 19 SERVICE NOTES...
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Page 20: Repair Parts
REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC621ES (96182000601) CHUTE ASSEMBLY SSST-Chute asm_5 NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm IMPORTANT: Use only Original Equipment Manufacturer (O.E.M.) replacement parts. Failure to do so could be hazardous, damage your snow thrower and void your warranty. -
Page 21: Chute Assembly
REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC621ES (96182000601) CHUTE ASSEMBLY PART DESCRIPTION 434877 CHUTE.RATCHETING.PLASTIC.W/GRV 434876X431 PLATE.CHUTE.RETAINER 434875X431 PLATE.CHUTE.BASE 17411312 BOLT.HEX.WSH.HD.13-16 X 3/4 434885X428 HANDLE.CHUTE.MS428 73970500 NUT.LOCK.HX.W/INS 5/16-18 UNC PL 434879 SPRING.RATCHET.ARM 81328 BOLT.SHOULDER.1/4-20 UNC X .94 434878 ARM.CHUTE.RATCHET 132004 HEX.NUT.1/4-20 NYLON LOCKING... -
Page 22: Handle Assembly
REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC621ES (96182000601) HANDLE ASSEMBLY SSST-Handle asm_1 PART DESCRIPTION 442888X421 BAIL.HANDLE.PAINT.MS431 442595X431 HANDLE.PNT.UPPER.SSST 434806 CONTROL.CABLE 189713X428 KNOB.HANDLE.BLACK 191574 BOLT.HANDLE.BLACK PATCHED 145006 CLIP .PUSH-IN.HINGED NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm IMPORTANT: Use only Original Equipment Manufacturer (O.E.M.) replacement parts. - Page 23 REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC621ES (96182000601) AUGER ASSEMBLY SSST-Auger asm_1 PART DESCRIPTION 72110407 BOLT.CARRIAGE 5142H PIN.ROLL.3/16 X 1-1/4 199687 BOLT.1/4-20.1.50" 434777X431 PLATE.CENTER.BLADE 132004 HEX.NUT.1/4-20 NYLON LOCKING 19091016 WASHER 9/32 X 5/8 X 16 GA. 442759 BLADE.AUGER 434862X428 WELDMENT.AUGER.ASM...
- Page 24 REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC621ES (96182000601) SHROUD ASSEMBLY SSST-Shroud asm_17 NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm IMPORTANT: Use only Original Equipment Manufacturer (O.E.M.) replacement parts. Failure to do so could be hazardous, damage your snow thrower and void your warranty.
- Page 25 REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC621ES (96182000601) SHROUD ASSEMBLY PART DESCRIPTION 441447X428 COVER.NON-DRIVE.SIDE.MS428 441440X428 COVER.DRIVE.SIDE.MS428 441430X428 TOP .COVER 430220 CAP .ASM.FUEL.2.25"FR.N/CB.E10 436235 BULB.PRIMER 435407 KEY HOUSING 434867X428 TOP .REAR.COVER 434873X431 PLATE.EXHAUST.PNT. 17411312 SCREW 442250 SCREW.PAN.HD.TORX.1/4-20 X .750 434880 TANK.FUEL.ASM...
- Page 26 REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC621ES (96182000601) FRAME ASSEMBLY SSST-Frame asm_5 NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm IMPORTANT: Use only Original Equipment Manufacturer (O.E.M.) replacement parts. Failure to do so could be hazardous, damage your snow thrower and void your warranty.
- Page 27 REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC621ES (96182000601) FRAME ASSEMBLY PART DESCRIPTION 444169 LCT.ENGINE 444387X431 FRAME.WELDMENT 435528X421 WHEEL.8X1.5.BRICK.GS.3SPK.MS421 435417 NUT.PUSH.AXLE.0.5IN 435578 SCREW. 5/16-24 X 2.00"HHCS 150406 BOLT.ENG. 3/8-16 X 1.280 191730 NUT.HEX.FLANGE.1/4-20.CTR.LOCK 72110407 BOLT.RDHD.SQNK.1/4 UNC X 5/8 442942 PLATE.SCRAPER...
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Page 28: Drive Assembly
REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC621ES (96182000601) DRIVE ASSEMBLY SSST-Drive asm_3 PART DESCRIPTION 434860 SPACER.ENGINE.CRANK 434502 KEEPER.ENGINE.BELT 426490 PULLEY.ENG.TRACTION.3/4 851074 WASHER.HARDEN 437261 BELT-V.TRACTION 430817 SCREW.CAP .SCHD.3/8-24 X 1.25 434859 SPRING.IDLER.PULLEY.RETURN 434848X431 ARM.IDLER.PNT.MS431 166043 PULLEY.IDLER.BACKSIDE 17060620 SCREW.HXWH.THDRL.1/4-20X1-1/4 199092 SPACER.RETAINER... - Page 29 SERVICE NOTES...
- Page 30 REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC621ES (96182000601) ENGINE, LCT COMPLETE ENGINE- 444168,444169,444170,444171 *Included with part# 40 26 26A 20 20A Electric Start Only...
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Page 31: Repair Parts
REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC621ES (96182000601) ENGINE, LCT COMPLETE ENGINE- 444168,444169,444170,444171 KEY PART KEY PART DESCRIPTION DESCRIPTION 444277 MUFFLER ASSEMBLY-SNOW 444091 HIGH OIL FILL TUBE ASSY 437122 SNOW CARBURETOR ASSY 420586 FLYWHEEL FAN 437123 FUEL PRIMER BULB WITH... -
Page 32: Warranty
LIMITED WARRANTY The Manufacturer warrants to the original consumer purchaser that this product as manufactured is free from defects in mate- rials and work man ship. For a period of two (2) years from date of purchase by the original consumer purchaser, we will repair or replace, at our option, without charge for parts or labor incurred in replacing parts, any part which we find to be defective due to materials or workmanship.