Instruction/ maintenance manual of the product MC621 McCulloch
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MC621 MC621 Owner's Manual.
2 Safe Operation Practices for W alk-Behind Snow Throwers IMPORT ANT : This snow thrower is capable of amputating hands and feet and throwing objects. F ailure to observe the following safety instructions could result in serious injury . (d) Never fill containers inside a vehicle or on a truck or trailer bed with a plastic liner .
3 CUSTOMER RESPONSIBILITIES • Read and observe the safety rules. • Follow a regular schedule in maintaining, caring for and using your snow thrower . • Follow the instructions under “Maintenance” and “Stor - age” sec tions of this manual.
4 KNOW Y OUR SNOW THROWER READ THIS OWNER'S MANUAL AND ALL SAFETY RULES BEFORE OPERA TING YOUR SNOW THROWER. Com- pare the illustrations with your snow thrower to familiarize yourself with the location of various controls and adjustments. Save this manual for future reference.
5 Setup Loose P arts Use the chart below to verify that all parts have been shipped. Procedure Description Qty . Use 1. No parts required – Unfold the handle. 2. Carriage bolts Flange nuts Washers Knob Chute Deflector 5 4 2 1 1 1 Install the discharge chute.
6 3. Filling the Engine with Oil ENGINE See engine manual. LUBRICA TION Use only high quality detergent oil rated with API service classification SG–SL. Select the oil's SAE viscosity grade according to your expected operating temperature. NOTE: Although multi-viscosity oils (5W30, 10W30 etc.
7 Operation NOTE: Determine the left and right sides of the machine from the normal operating position. • Gasoline is extremely flammable and explosive.
8 Starting the Engine 1. Push key in (Figure 10). 2. Move choke lever to left position (Figure 11). 3. Firmly push in the primer 3 times with your thumb, holding the primer in a for a second before releasing it each time (Figure 12). NOTE: Remove your glove when you push in the primer so that air cannot escape from the primer hole.
9 Engaging the Auger Blades T o engage the auger blades, hold the control bar against the handle (Figure 15). Disengaging the Auger Blades T o disengage the auger blades, release the control bar (Figure 16). The electrical cord can become damaged, causing a shock or fire.
10 Stopping the Engine T o stop the engine, pull key out (Figure 17). Adjusting the Discharge Chute and Chute Deflector T o adjust the discharge chute, move deflector chute handle left or right to desired position (Figure 18).
11 Operating Tips The auger blades can throw stones, toys, and other foreign objects and cause serious personal injury to the operator or to bystanders. • K eep the area to be cleared free of all objects that the auger blades could pick up and throw .
12 Adjusting the Control Cable Checking the Control Cable Release the control bar to remove the slack in the control cable (Figure 20). IMPORT ANT : The control cable must contain some slack when you disengage the control bar for the auger blades to stop properly .
13 Changing the Engine Oil Run the engine a few minutes before changing the oil to warm it. Warm oil flows better and carries more contaminants. 4. Place an oil drain pan under the oil drain plug, remove the oil drain plug, and tip the snowthrower backward and drain the used oil in the oil drain pan (Figure 23).
14 Servicing the Spark Plug Use a NGK BPR6ES, Champion RN9YC, or BOSCH WR6DC spark plug or equivalent. 1. Stop the engine and wait for all moving parts to stop. 2. Rotate the discharge chute so that it faces forward. 3. Remove the discharge chute, the discharge chute handle by removing the three carriage bolts and flange nuts (Figure 27).
15 Replacing the Drive Belt If drive belt becomes worn, oil-soaked, excessively cracked, frayed, or otherwise damaged, replace the belt. 1. Remove the drive side cover by removing the six screws as shown in (Figure 31). 2. Press down on front of idler arm to release the belt tension (Figure 31).
16 Storage Storing the Snowthrower Immediately prepare your snow thrower for storage at the end of the season or if the unit will not be used for 30 days or more.
17 Does not start 1. Fuel shut-off valve (if so 1. T urn fuel shut-off valve to OPEN position. equipped) in OFF position. 2. Safety ignition key 2. Insert safety ignition key . is not inserted. 3. Out of fuel. 3. Fill fuel tank with fresh, clean gasoline.
18 REP AIR P ARTS SNOW THROWER - - MODEL NUMBER MC621 (96182000500) CHUTE AS SEMBL Y 9 10 11 1 2 2 3 4 4 4 5 6 19 19 8 20 7 4 6 15 21 19 15 16 17 18 SS ST -Chute asm_5 NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm IMPORT ANT : Use only Original Equipment Manufacturer (O .
19 REP AIR P ARTS SNOW THROWER - - MODEL NUMBER MC621 (96182000500) CHUTE AS SEMBL Y NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm IMPORT ANT : Use only Original Equipment Manufacturer (O .E.M.) replacement parts. F ailure to do so could be hazardous, damage your snow thrower and void your warranty .
20 KEY P ART NO . NO. QTY DESCRIPTION REP AIR P ARTS SNOW THROWER - - MODEL NUMBER MC621 (96182000500) HANDLE AS SEMBL Y 1 2 3 4 5 5 6 SS ST -Handle asm_1 NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm IMPORT ANT : Use only Original Equipment Manufacturer (O .
21 REP AIR P ARTS SNOW THROWER - - MODEL NUMBER MC621 (96182000500) AUGER ASSEMBL Y 9 9 10 10 1 2 3 4 5 6 7 7 8 11 11 11 12 12 13 13 4 5 5 6 1 1 14 SSST -Auger asm_1 NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm IMPORT ANT : Use only Original Equipment Manufacturer (O .
22 REP AIR P ARTS SNOW THROWER - - MODEL NUMBER MC621 (96182000500) SHROUD AS SEMBL Y 1 4 3 17 15 2 10 8 9 10 11 12 10 6 17 17 7 14 5 16 SS ST -Shroud asm_7 NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm IMPORT ANT : Use only Original Equipment Manufacturer (O .
23 REP AIR P ARTS SNOW THROWER - - MODEL NUMBER MC621 (96182000500) SHROUD AS SEMBL Y NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm IMPORT ANT : Use only Original Equipment Manufacturer (O .E.M.) replacement parts. F ailure to do so could be hazardous, damage your snow thrower and void your warranty .
24 REP AIR P ARTS SNOW THROWER - - MODEL NUMBER MC621 (96182000500) FRAME AS SEMBL Y 1 2 3 4 4 5 7 6 11 10 6 8 3 9 SSST -Frame asm_3 12 12 NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm IMPORT ANT : Use only Original Equipment Manufacturer (O .
25 REP AIR P ARTS SNOW THROWER - - MODEL NUMBER MC621 (96182000500) FRAME AS SEMBL Y NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm IMPORT ANT : Use only Original Equipment Manufacturer (O .E.M.) replacement parts. F ailure to do so could be hazardous, damage your snow thrower and void your warranty .
32 31 33 12 38 30 47 27 29 22 22A 21 45 10 26 26A 19 17 20 20A 18 28 3 15 42 44 40 41 39 6 1 23 2 13 46 48 8 11 5 4 34 16 37 36 25 49 50 Electric Start Only 56 55 Included with part# 40 58 59.
REFERENCE # PART DESCRIPTION PART # 1 HEATER BOX ASSY 532424932 2 SHIELD, HEATER BOX 532424934 3 SNOW MUFFLER ASSY 532424937 4 SNOW FUEL TANK ASSY 532424938 5 OVERSIZED FUEL TANK CAP (CLICK STYLE) 532.
26 REP AIR P ARTS SNOW THROWER - - MODEL NUMBER MC621 (96182000500) DRIVE AS SEMBL Y 9 1 2 3 4 5 6 8 7 10 11 12 13 SSST -Drive asm_3 NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm IMPORT ANT : Use only Original Equipment Manufacturer (O .
27 SERVICE NOTES.
28 436432 Rev 1 08.13.10 TH Printed in the U.S.A . LIMITED W ARRANTY The Manufacturer warrants to the original consumer purchaser that this product as manufactured is free from defects in mate- rials and work man ship.
An important point after buying a device McCulloch MC621 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought McCulloch MC621 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data McCulloch MC621 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, McCulloch MC621 you will learn all the available features of the product, as well as information on its operation. The information that you get McCulloch MC621 will certainly help you make a decision on the purchase.
If you already are a holder of McCulloch MC621, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime McCulloch MC621.
However, one of the most important roles played by the user manual is to help in solving problems with McCulloch MC621. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device McCulloch MC621 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
