Page 2 - SECTION 1: IMPORTANT SAFE OPERATION PRACTICES; THIS SYMBOL POINTS OUT IMPORTANT SAFETY INSTRUCTIONS WHICH, IF; WARNING; The Engine Exhaust from this product contains chemicals
2 SECTION 1: IMPORTANT SAFE OPERATION PRACTICES WARNING: THIS SYMBOL POINTS OUT IMPORTANT SAFETY INSTRUCTIONS WHICH, IF NOT FOLLOWED, COULD ENDANGER THE PERSONAL SAFETY AND/OR PROPERTY OFYOURSELF AND OTHERS. READ AND FOLLOW ALL INSTRUCTIONS IN THIS MANUALBEFORE ATTEMPTING TO OPERATE YOUR SNOW THROWE...
Page 3 - MAINTENANCE AND STORAGE; Restrict the use of this power machine to; DANGER
3 • If the snow thrower should start to vibrate abnormally, stop the engine and checkimmediately for the cause. Vibration is generally awarning of trouble. • Stop engine whenever you leave the operating position, before unclogging the collector/impellerhousing or discharge guide, and making anyrepai...
Page 5 - SECTION 4: CONTENTS OF HARDWARE PACK
5 SECTION 4: CONTENTS OF HARDWARE PACK A ATTACHING THE HANDLE ASSEMBLY Lay out the hardware according to the illustration for identification purposes. Parts are illustrated approximatelyone-half size. Part numbers are shown in parentheses. (Hardware pack may contain extra items which are notused on ...
Page 6 - SECTION 5: ASSEMBLY INSTRUCTIONS; UNPACKING; See
6 SECTION 5: ASSEMBLY INSTRUCTIONS IMPORTANT: After assembly, service engine with gasoline, and check oil level as instructed in theseparate engine manual packed with your unit. NOTE: All references to right or left side of the snow thrower are determined from behind the unitin the operating positio...
Page 8 - ATTACHING SHIFT ROD
8 Figure 9 Figure 10 ATTACHING SHIFT ROD (Hardware D)1. Place the shift lever in the fifth (5) or the fastestforward speed position. 2. Models 642, 662 : Rotate the shift arm assembly counter clockwise, as far as it will go.Insert the shift rod through the shift armassembly. When installed the shift...
Page 9 - ATTACHING CLUTCH CABLES; If cable is tightened so
9 ATTACHING CLUTCH CABLES 1. Thread the hex jam nuts all the way up thethreaded portion of the “Z” ends. 2. Make certain all cables are in the grooves of thecable roller guides. The roller guides are locatedin the lower rear of the unit. Lift the clutch grip inthe raised (up) position. 3. Thread the...
Page 10 - SECTION
10 4. Place one flat washer on the end of the chutecrank, then insert the end of the crank into thehole in the plastic bushing in the chute crankbracket. See Figure 17. Figure 17 5. Place the other flat washer on the end of the chute crank, and insert hairpin clip into hole in the end ofcrank. See F...
Page 12 - SECTION 7: OPERATION; BEFORE STARTING; Observe all Warning
12 Figure 22 Figure 23 SECTION 7: OPERATION BEFORE STARTING WARNING: Observe all Warning Labels on the snow thrower prior touse. See Figure 1. Your snow thrower is shipped with oil; however,you must check the oil level before operating.Be careful not to overfill. The spark plug wire was disconnected...
Page 13 - TO STOP ENGINE
13 Follow all instructions carefully. Determine that yourhouse wiring is a three wire grounded system. Ask alicensed electrician if you are not certain. If yourhouse wiring system is not a three-wire groundedsystem, do not use this electric starter under anyconditions. If your system is grounded and...
Page 14 - SECTION 8: ADJUSTMENTS; Never attempt to clean; ADJUSTING CHUTE
14 TO ENGAGE DRIVE/AUGER 1. With the engine running near top speed, moveshift lever into one of the FORWARD orREVERSE positions. Select a speedappropriate for the snow conditions that exist.Use the slower speeds until you are familiarwith the operation of the snow thrower. 2. Squeeze the left hand a...
Page 15 - ADJUSTING AUGER CLUTCH; CARBURETOR ADJUSTMENT; If any adjustments are; DRIVE WHEELS
15 5. If adjustment is necessary, loosen the jam nuton the traction drive cable, and thread cable inor out as necessary. 6. Tighten the jam nut to secure the cable whencorrect adjustment is reached. Reassemble theframe cover with six self-tapping screws. Figure 26 Note: If you had earlier placed pla...
Page 16 - SECTION 9: LUBRICATION; SECTION 10: MAINTENANCE; Disconnect the spark
16 SECTION 9: LUBRICATION WARNING: Disconnect the spark plug wire and ground against theengine before performing anylubrication or maintenance. ENGINE Refer to engine manual for all engine lubricationinstructions. WARNING: When following instruct- ions in separate engine manual fordraining oil, be s...
Page 17 - AUGER BELTS; DRIVE BELT
17 AUGER BELTS NOTE: It is necessary to remove both belts in order to change either one. If changing just one belt,be certain to check the condition of the other belt. 1. Remove the plastic belt cover on the front of theengine by removing the two self-tappingscrews. See Figure 29. 2. Drain the gasol...
Page 18 - CHANGING THE FRICTION WHEEL RUBBER; Never store engine with
18 Figure 32 CHANGING THE FRICTION WHEEL RUBBER The rubber on the friction wheel is subject to wearand should be checked after 25 hours of operation,and periodically thereafter. Replace the frictionwheel rubber if any signs of wear or cracking arefound. 1. Drain the gasoline from the snow thrower, o...
Page 19 - SECTION 12: TROUBLE SHOOTING GUIDE; Trouble
19 SECTION 12: TROUBLE SHOOTING GUIDE Note: For repairs beyond the minor adjustments above, contact your local authorized service dealer. Trouble Possible Cause(s) Corrective Action Engine fails to start Fuel tank empty, or stale fuel. Blocked fuel line.Choke not in ON positionFaulty spark plug.Key ...
Page 22 - HANDLE ASSEMBLY
Page 24 - FRAME ASSEMBLY
Page 25 - WHEEL ASSEMBLY
25 FRAME ASSEMBLY Wheel Assembly REF. NO. PART NO. DESCRIPTION QTY. REF. NO. PART NO. DESCRIPTION QTY. 1 618-0063 Bearing Ass’y. 1 25 736-0242 Washer, Bell 1 2 656-0012A Ass’y., Friction Wheel Disc 1 26 712-0324 Nut 1 3 684-0013B Rod Shift, Wheel Drive 1 27 736-0351 Flat Washer 1 4 684-0021 Brkt. As...
Page 28 - MANUFACTURER’S LIMITED WARRANTY FOR:
MANUFACTURER’S LIMITED WARRANTY FOR: For TWO YEARS from the date of retail purchasewithin the United States of America, its possessionsand territories, MTD PRODUCTS INC will, at itsoption, repair or replace, for the original purchaser,free of charge, any part or parts found to bedefective in materia...