valutazioni - 4, GPA: 4
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Facilità d'uso
Replacing Belt • Remove the belt cover by removing five hex screws. See Figure 16. Hex Belt Cover Screws Figure 16 • Pull up on the idler pulley and slip the belt off the engine pulley. • Push down on the idler pulley and slip the belt off the auger pulley. • Reassemble new belt. See Figure 17. • Reinstall the belt cover. Figure 17 Auger Pulley Idler Pulley Engine Pulley Belt 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 storage of the snow thrower at the end of the season. SECTION 7: OFF-SEASON STORAGE WARNING: Never store engine with fuel in tank indoors or in enclosed, poorly ventilated areas where fuel fumes may reach an open flame, spark or pilot light as on a furnace, water heater, clothes dryer, or other gas appliance. • Clean snow thrower thoroughly. • Lubricate as instructed above with a light oil. • Follow “Storage” instructions in the Engine Manual. • Store in a clean, dry area. Block the snow thrower up so it is not resting on the rubber auger blades. NOTE: When storing any type of power equipment in an poorly ventilated or metal storage shed, care should be taken to rustproof the equipment, especially springs, cables and all moving parts. 11 SECTION 8: TROUBLESHOOTING GUIDE Problem Cause Remedy Engine fails to start 1. Fuel tank empty, or stale fuel 2. Blocked fuel line 3. Key not in ON position 4. Spark plug wire disconnected 5. Faulty spark plug 6. Gasoline and oil not mixed correctly 1. Fill tank with clean fresh gasoline/oil mixture as specified in the engine manual. 2. Clean fuel line 3. Insert key and turn to ON position 4. Connect wire to spark plug. 5. Clean spark plug, readjust gap, or replace. 6. Refer to engine manual Engine runs erratic 1. Unit running on choke 2. Fuel line blocked, or stale fuel 3. Water or dirt in fuel system 4. Carburetor out of adjustment 1. Move choke lever to off position. 2. Clean fuel line and fill tank with fresh, clean gasoline. 3. Refer to engine manual on remedy. 4. Refer to engine manual. Engine overheats 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 spark plug wire. Check for possible damage. Tighten all bolts and nuts. Repair as needed. If the problem persists, take unit to an authorized service dealer. Unit fails to self-propel 1. Drive cable out of adjustment 2. Drive belt loose or damaged 1. Adjust drive cable following instructions on snow thrower. 2. Replace drive cable following instructions on snow thrower. Unit fails to discharge snow 1. Discharge chute clogged 2. Foreign object lodged in auger 3. Drive cable not adjusted properly 4. Drive belt loose or damaged 1. Stop engine immediately and disconnect spark plug wire. Clean discharge chute and the auger housing. 2. Stop engine immediately and disconnect spark plug wire. Remove object . 3. Adjust drive cable following instructions on snow thrower. 4. Replace drive belt following instructions on snow thrower. NOTE: For repairs beyond the minor adjustments listed above, call the Customer Dealer Line at 1-800-528-1009 for the dealer nearest you. Refer to separate engine manual, packed with your snow thrower, for engine information. 12 13 SECTION 9: PARTS LIST FOR MODEL 521E Ref. No. Part No. Description 1. 710-0487 Carriage Screw 2. 710-1270 Oval C-Sunk Machine Screw 3. 712-0324 Hex Lock Nut 4. 720-0284 Wing Nut 5. 720-0295 Foam Grip: Handle 6. 725-0157 Cable Tie 7. 736-0451 Saddle Washer 8. 746-0883 Cable Housing w/o Throttle 9. 747-0956 Auger Bail: Gull Wing 10. 749-0711A Upper Handle: Gull Wing 9 5 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. Cub Yellow: 0716 Cub Beige: 0499 Cub Blue: 0685 Powder Black: 0637 14 Model 521E 7 10 22 46 37 31 34 13 21 38 3 30 35 6 27 39 40 1 20 14 6 35 30 6 5 28 25 42 45 13 44 7 22 33 9 17 18 15 4 2 11 26 19 26 16 32 23 12 36 41 8 Model 521E Ref. No. Part No. Part Description Ref. No. Part No. Part Description 1. 710-0167 Carriage Bolt 25. 736-0176 Flat Washer 2. 710-0276 Carriage Bolt 26. 736-0159 Washer 3. 710-0323 Pan Head Screw 27. 736-0326 Flat Washer 4. 710-0451 Carriage Bolt 28. 736-0329 Lock Washer 5. 710-0642 Hex Was...