background image

11

SECTION 4:  KNOW YOUR SNOW THROWER

WARNING: 

Be familiar with all the 

controls and their proper operation. Know 
how to stop the machine and disengage 
them quickly.

Throttle Control

The throttle control is located on the engine. It regulates 
the speed of the engine. See Figure 18.

Safety Ignition Switch

The ignition key must be inserted in the switch before 
the unit will start. Remove the ignition key when snow 
thrower is not in use.

Fuel Shut-Off Valve (If Equipped)

The fuel shut-off valve, 
located under fuel tank, 
control fuel flow from tank.  
See Figure 17. 

Figure 17

Figure 18

Shift Lever

(See Figure 19 for Models 602, 642, and 662.) See 
Figure 20 models 614, 644, 664, and 6A4) 

The shift lever is located in the center of the handle 
panel. The shift lever may be moved into one of six 
positions. Run engine with throttle in the fast positions 
Run engine with throttle in the fast position. Use the 
shift lever to determine ground speed.

Forward-Five forward speeds: position one (1) is the 
slowest; position five (5) is the fastest.

Reverse-One reverse (R) speed.

NOTE: 

Model 614, 644, 664, and 6A4 has five

forward positions and two reverse.

Auger Control Clutch

(See for Model 602, 642, and 662. See Figure 20 for 
Models 614, 644, 664, and 6A4)

The auger control clutch is located on the left handle. 
Squeeze the auger control clutch against the handle to 
engage the augers. Release to stop the snow throwing 
action.

Traction Control Clutch

(See Figure 19 for Model 602, 642, and 662. See 
Figure 20 for Models 614, 644, 664, and 6A4)

The traction control clutch is located on the right 
handle. Squeeze the traction control clutch to engage 
the wheel drive. Release to stop.

Chute Directional Control

(See Figure 19 for Model 602, 642, and 662. See 
Figure 20 for Models 614, 644, 664, and 6A4)

The chute directional control is located on the left hand 
side of the snow thrower. To change the direction in 
which the snow is thrown, turn chute directional control 
as follows: 

Crank clockwise to discharge to the left.

Crank counterclockwise to discharge to the right.

Stopping Engine

Remove ignition key from the snow thrower.          
Do not turn key.

 

Figure 19

Closed

Open

Ignition

Key

Choke

Throttle

Primer

Starter

Handle

Chute

Directional Control

Auger

Control

Clutch

Traction 

Control

Clutch

Shift

Lever

Models 602, 642 and 662

Summary of Contents for 602E

Page 1: ...ith 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 arrester for the muffler is available through your...

Page 2: ...ized dealer You can locate the model number by standing behind the unit in the operating position and looking down at the rear frame below the engine 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 regardin...

Page 3: ...2 Always wear safety glasses or eye shields during operation and while performing an adjustment 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...

Page 4: ...ghts 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 1 800 800 7310 for assistance and the name of your nearest servicing dealer Maintenance And 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...

Page 5: ...nce Store in a safe place until needed E ATTACHING THE CLUTCH GRIPS Flat Washers 5 16 I D x 5 8 O D 736 0275 Hex Bolts 5 16 18 x 1 3 4 Long 710 3259 Hex Bolts 5 16 18 x 3 4 Long 710 1880 Hex Patch Nuts 5 16 18 Thread 712 3068 Saddle 784 5599 Lock Washers 5 16 I D 736 0119 Carriage Bolts 5 16 18 x 1 1 2 Long 710 0262 Hex Bolts 1 4 20 x 3 4 Long 710 3015 Hex Lock Nuts 1 4 20 Thread 712 3027 Chute Fl...

Page 6: ...h Grip Bracket 8 Shift Rod Not Illustrated 9 Chute Directional Control Assembly Not Illustrated 10 Chute Assembly Not Illustrated 11 Hardware Pack Not Illustrated Tools Required The snow thrower comes partly assembled in the carton You will have to complete the assembly Follow assembly instructions in this operator s manual to make the job safe and easy You will need the following tools to assembl...

Page 7: ...rol Grip Lay handle assembly behind snow thrower See Figure 5 Figure 5 Insert a hex bolt 3 4 long and lock washer through the lower hole on the bottom of the handle See Figure 5 Hold the handle assembly up to the bottom of the snow thrower frame and thread the hex bolt into the lower hole in snow thrower frame Do not tighten at this time See Figure 6 Figure 6 Repeat process on the other side Raise...

Page 8: ... narrow side of the shift lever assembly behind the handle panel See Figure 9 Secure the ferrule to the shift arm assembly with the flat washer and hairpin clip NOTE Make certain to check for correct adjustment of the shift rod as instructed in the FINAL ADJUSTMENTS section before operating the snow thrower Attaching Clutch Cables Hardware D Thread the hex jam nuts all the way up the threaded port...

Page 9: ...Figure 12 Place one flat washer over the end of the chute directional control then insert the end of the chute directional control into the hole in the plastic bushing in the chute bracket See Figure 13 Place the second flat washer on the chute directional control and secure with hairpin clip Figure 13 Thread one hex nut onto the eyebolt on the chute directional control assembly until there is at ...

Page 10: ... the way forward to the highest speed With the traction control lever released push the snow thrower forward The unit should roll forward Then engage the traction control grip The wheels should stop turning Now release the traction control clutch grip and push the unit again Move the shift lever back to the fast reverse position then all the way forward again There should be no resistance in the s...

Page 11: ...rse R speed NOTE Model 614 644 664 and 6A4 has five forward positions and two reverse Auger Control Clutch See for Model 602 642 and 662 See Figure 20 for Models 614 644 664 and 6A4 The auger control clutch is located on the left handle Squeeze the auger control clutch against the handle to engage the augers Release to stop the snow throwing action Traction Control Clutch See Figure 19 for Model 6...

Page 12: ...s any sign of motion drive or augers with the clutch grips disengaged shut engine off immediately readjust as instructed in the Final Adjustments section of SECTION 3 ASSEMBLING YOUR SNOW THROWER Attach spark plug wire to spark plug Make certain the metal loop on end of the spark plug wire inside the boot is fastened securely over the metal tip on the spark plug See Figure 21 Make certain the fuel...

Page 13: ...arms up and begins to operate evenly rotate choke knob slowly to OFF position If engine falters return to FULL choke then slowly move to OFF position Recoil Starter Make certain the auger control and traction control clutch grips are in the disengaged released position Move throttle control up to FAST position Insert ignition key into slot Refer to figure 20 Be certain it snaps into place Do not t...

Page 14: ... in previous column to prevent possible freeze up Clean the snow thrower thoroughly after each use SECTION 6 MAKING ADJUSTMENTS WARNING NEVER attempt to make any adjustments while the engine is running except where specified in the operator s manual Adjusting Chute You can control the distance that snow is thrown by adjusting the angle of the chute assembly The sharper the angle the shorter the di...

Page 15: ...far as it will go Thread the ferrule up or down the shift rod and align it with the hole closest to the shift knob on the narrow side of the shift lever assembly behind the handle panel Refer to Figure 9 NOTE Make certain to check for correct adjustment of the shift rod as instructed in the Final Adjustments section before operating the snow thrower Carburetor Adjustment WARNING If any adjustments...

Page 16: ... Avoid getting oil on rubber friction wheel and aluminum drive plate Gear Case The gear case is lubricated with grease at the factory and does not require checking If disassembled for any reason lubricate with 2 ounces of shell grease part number 737 0168 IMPORTANT Do not overfill the gear case Damage to the seals could result Be sure the vent plug is free of grease in order to relieve pressure SE...

Page 17: ...he auger housing Figure 26 Remove six self tapping screws from the frame cover underneath the snow thrower Figure 27 NOTE It may be necessary to loosen the six hex nuts that fasten the frame to the auger housing to aid in belt removal Roll the front and rear auger belts off the engine pulley See Figure 27 Unhook the idler spring from the hex bolt on the auger housing See Figure 28 Back out the sto...

Page 18: ...ear shaft See Figure 30 Lightly tap the hex nut to dislodge the ball bearing from the right side of frame Remove the hex nut and bell washer from left end of shaft Slide the gear shaft to the right and slide the friction wheel assembly from the shaft Remove the six screws from the friction wheel assembly three from each side Remove the friction wheel rubber from between the friction wheel plates R...

Page 19: ...an fuel line fill tank with clean fresh gasoline Fuel may not last over thirty days unless a fuel stabilizer is used Drain fuel tank Refill with fresh fuel Refer to the engine manual packed with your unit or have carburetor adjusted by an authorized service dealer Loss of power Spark plug wire loose Gas cap vent hole plugged Exhaust port plugged Connect and tighten spark plug wire Remove ice and s...

Page 20: ...602E 642E 642F 662H 614E 644E 664F and 6A4E 1 2 3 4 5 6 7 8 9 10 11 12 13 9 8 14 15 16 17 7 18 18 7 19 20 21 16 6 22 23 13 13 6 7 24 6 16 26 27 28 25 29 30 31 32 33 34 36 37 33 32 32 33 35 37 36 33 32 31 30 6 38 ...

Page 21: ...26 Housing Assembly 684 0041C 28 Housing Assembly 684 0055B 30 Housing Assembly 22 736 0169 Lock Washer 3 8 23 712 0798 Hex Nut 3 8 16 24 784 5580 Slide Shoe 25 784 5581A 24 Shave Plate 784 5579A 26 Shave Plate 784 5582A 28 Shave Plate 784 5575 30 Shave Plate 26 684 0065 Impeller Assembly 27 715 0114 Pin 28 618 0120A 24 Gear Assembly 618 0121A 26 Gear Assembly 618 0122A 28 Gear Assembly 618 0160A ...

Page 22: ... 642F 662E 662H 614E 644E 664F and 6A4E 1 2 3 4 5 6 7 8 9 11 15 16 16 17 18 18 19 19 20 20 21 22 23 54 25 26 27 28 29 30 24 53 23 34 35 23 36 38 54 39 40 41 39 42 43 44 45 46 17 47 29 48 49 50 51 52 14 13 7 37 10 12 24 6 ...

Page 23: ...rew 5 16 18 x 2 0 36 710 1880 Hex Cap Screw 5 16 18 x 75 37 736 0185 Flat Washer 38 731 0921 Upper Chute 39 736 0159 5 16 Washer 40 710 0451 Carriage Bolt 5 16 18 x 75 41 710 0276 Carriage Screw 5 16 18 x 1 0 42 720 0284 Knob 43 731 1300A Lower Chute 44 712 3027 Hex Lock Nut 1 4 20 45 731 0851A Flange Keeper 46 710 3015 Hex Cap Screw 1 4 20 x 75 47 629 0058 Round Light Harness 48 710 1652 Hex Tap ...

Page 24: ...1 1 2 3 4 4 5 5 6 16 Wheels 13 or 15 Wheels 4 7 7 8 9 10 10 11 11 12 41 5 13 14 15 16 17 18 1 19 20 21 22 23 24 25 25 26 28 29 26 1 1 30 31 32 33 34 8 35 Drive Clutch Cable Auger Clutch Cable Auger Clutch Cable Blower Housing 36 20 20 37 37 38 39 40 27 42 42 42 ...

Page 25: ...0249 Roll Pin 26 714 0143 Klik Pin 27 684 0042C Friction Wheel Assembly 28 656 0012A Friction Disc Wheel 29 684 0013B Wheel Shift Rod Assembly 30 746 0897 Drive Cable 31 748 0190 Spacer 32 684 0021 Friction Wheel Bracket Assembly 33 732 0264 Extension Spring 34 712 0711 Jam Nut 3 8 24 35 746 0898 Drive Cable 36 738 0869 Axle 13 Wheels 738 0830 Axle 16 Wheels 37 784 5617A Friction Plate 38 735 0243...

Page 26: ...1 Lock Jam Nut 3 8 16 16 756 0569 Pulley Half 17 736 0242 Bell Washer 18 736 0505 Flat Washer 19 736 0507 Washer 20 754 0430A Belt 21 756 0967 Auger Pulley 22 736 0247 Flat Washer 23 736 0331 Bell Washer 24 710 0696 Hex Cap Screw 3 8 24 25 748 0360 Pulley 26 710 0654A Hex Washer Screw 3 8 16 x 1 0 27 629 0071 Extension Cord OEM 390 986 Electric Start Kit REF NO PART NO DESCRIPTION 2 3 4 5 6 7 4 8 ...

Page 27: ...ex Washer Screw 3 8 16 x 1 0 16 710 1245A Hex Lock Screw 5 16 24 x 875 17 736 0242 Bell Washer 340 ID x 872 OD 18 736 0505 Flat Washer 341 ID x 50 OD 19 756 0967 Pulley Auger 20 756 0569 Pulley Half 21 754 0430A V Belt 22 736 0247 Flat Washer 23 736 0331 Bell Washer 39 ID x 1 13 OD 24 710 0696 Hex Cap Screw 3 8 24 x 875 25 748 0360 Pulley Adapter 26 OEM 390 987 Electric Start REF NO PART NO DESCRI...

Page 28: ...on these items b Log splitter pumps valves and cylinders have a sepa rate one year warranty c Routine maintenance items such as lubricants filters blade sharpening and tune ups or adjustments such as brake adjustments clutch adjustments or deck adjustments and normal deterioration of the exterior finish due to use or exposure d MTD does not extend any warranty for products sold or exported outside...

Reviews: