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 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 position
Faulty spark plug.
Key not in switch on engine.
Spark plug wire 
disconnected.
Primer button not depressed.
Fuel shut-off valve closed 
(if so equipped).
Improper gasoline and oil 
mixture.

Fill tank with clean, fresh gasoline. Fuel will not last over thirty 
days unless a fuel stabilizer is used.
Clean fuel line.
Move switch to ON position
Clean, adjust gap or replace.
Insert key.
Connect spark plug wire.

Refer to the engine manual packed with your unit.
Open fuel shut-off valve.

Refer to the engine manual packed with your unit.

Engine runs 
erratic**

Unit running on CHOKE.
Blocked fuel line or stale fuel.

Water or dirt in fuel system.
Carburetor out of adjustment.

Move choke lever to OFF position.
Clean fuel line; fill tank with clean fresh gasoline. Fuel will 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 snow from cap. Be certain vent hole is clear.
Clean-see Maintenance section of engine manual.

Engine overheats

Carburetor not adjusted 
properly.

Refer to the engine manual packed with your unit or have 
carburetor adjusted by an authorized service dealer.

Excessive vibration Loose parts or damaged 

auger.

Stop engine immediately and disconnect spark plug wire. Tighten 
all bolts and nuts. Make all necessary repairs. If vibration 
continues, have unit serviced by an authorized service dealer.

Unit fails to propel 
itself

Incorrect adjustment of drive 
cable.
Drive belt loose or damaged.

Adjust drive cable. Refer to Adjustment section of this manual.
Replace drive belt. Refer to Belt Replacement in Maintenance 
section of this manual.

Unit fails to
discharge snow

Discharge chute clogged.

Foreign object lodged in 
auger.
Incorrect adjustment of drive 
cable.
Drive belt loose or damaged.

Stop engine immediately and disconnect spark plug wire. Clean 
discharge chute and inside of auger housing.
Stop engine immediately and disconnect spark plug wire. 
Remove object from auger.
Adjust drive cable. Refer to Adjustment section of this manual.
Replace drive belt. Refer to Belt Replacement in Maintenance
section of this manual.

Summary of Contents for E602E

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 i...

Page 2: ...ating in reverse 2 PREPARATION Thoroughly inspect the area where the equipment is to be used and remove all door mats sleds boards wires and other foreign objects Disengage all clutches and shift into...

Page 3: ...sengage power to collector impeller when transporting or not in use Use only attachments and accessories approved by the manufacturer of snow thrower such as wheel weights counter weights cabs etc Nev...

Page 4: ...ar frame below the engine The model plate will look like Figure 2 Figure 2 SECTION 3 CALLING CUSTOMER SUPPORT If you are having difficulty assembling this product or if you have any question regarding...

Page 5: ...igned so that the bolts will shear Two replace ment shear bolts and nuts are provided for your convenience Store in a safe place until needed E ATTACHING THE CLUTCH GRIPS Flat Washers 5 16 I D x 5 8 O...

Page 6: ...instructions in this operator s manual to make the job safe and easy You will need the following tools to assemble the snow thrower Attaching the Handle Assembly Hardware A and E Lay loose parts out o...

Page 7: ...d 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 8 Figure 8 10 Repeat process o...

Page 8: ...he ferrule up or down the shift rod and align with the lower hole on the wider side of the shift lever assembly behind the handle panel See Figure 11 Model 614 644 664 Thread the ferrule onto the shif...

Page 9: ...ssembly facing the front of the unit 2 Place chute flange keepers beneath lip of chute assembly flat side down 3 Insert hex bolt up through chute flange keeper and chute assembly as shown in Figure 14...

Page 10: ...u can depress the auger drive clutch grip against the left handle completely 3 If necessary loosen the hex jam nut and thread the cable in for less slack or out for more slack as necessary Refer to Fi...

Page 11: ...igure 22 for Models 642 and 662 See Figure 23 for Model 614 644 664 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...

Page 12: ...on end of the spark plug wire inside the boot is fastened securely over the metal tip on the spark plug See Figure 24 2 Make certain the fuel cutoff valve is in the OPEN vertical position See Figure...

Page 13: ...on page 11 Be certain it snaps into place Do not turn key 3 Rotate choke knob to FULL choke position cold engine start If engine is warm place choke in OFF position instead of FULL 4 Push primer butt...

Page 14: ...y adjustments while engine is running 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 distance snow...

Page 15: ...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 NOTE Make certain to check for correct adjustment...

Page 16: ...e old sealant and apply Loctite 5699 or equivalent 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 SECTION...

Page 17: ...en the bolt and auger pulley See Figure 32 8 Lift the rear auger belt from the auger pulley and slip belt between the support bracket and the auger pulley See Figure 31 Repeat this step for front auge...

Page 18: ...ssembly three from each side Remove the friction wheel rubber from between the friction wheel plate 9 Reassemble new friction wheel rubber to the friction wheel assembly tightening the six screws in r...

Page 19: ...or 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 snow from cap Be certa...

Page 20: ...20 SECTION 13 ILLUSTRATED PARTS HOUSING ASSEMBLY...

Page 21: ...5 684 0065 Impeller Assembly 1 6 605 5188 Spiral 24 R H 1 605 5192 Spiral 26 R H 1 605 5248 Spiral 30 R H 1 7 605 5189 Spiral 24 L H 1 605 5193 Spiral 26 L H 1 605 5249 Spiral 30 L H 1 8 705 5226 Rei...

Page 22: ...22 HANDLE ASSEMBLY...

Page 23: ...er Pin 5 16 Dia 3 27 732 0193 Comp Spring 38 ID x 88 Lg 1 28 736 0105 Bell Wash 400 ID x 88 OD x 06 1 Model 642 662 Model 614 644 664 29 736 0119 L Wash 5 16 ID 9 31 736 0264 Flat Washer 34 ID x 63 OD...

Page 24: ...24 FRAME ASSEMBLY...

Page 25: ...748 0190 Spacer 1 13 712 0711 Nut Hex 2 38 756 0625 Roller Cable 3 14 714 0126 Key 1 39 784 5590 Frame Shift Bracket 1 15 714 0143 Pin Klick 2 40 784 5638 Cover Frame 1 16 714 0474 Pin Cotter 1 41 784...

Page 26: ...9 Spring 1 13 736 0119 Washer Lock 1 14 736 0242 Washer Bell 1 15 736 0247 Washer Flat 1 Optional Model 614 16 736 0270 Washer Lock 1 17 736 0331 Washer Lock 1 18 736 0505 Washer Flat 1 19 736 0507 Wa...

Page 27: ...4 Belt Cover 1 12 732 0710 Spring 1 13 736 0119 Washer Flat 1 14 736 0242 Washer Bell 1 15 736 0247 Washer Flat 1 16 736 0270 Washer Lock 1 17 736 0331 Washer Bell 1 18 736 0505 Washer Flat 1 19 748 0...

Page 28: ...Department of MTD PRODUCTS INC Transportation charges Transportation charges for the movement of any power equipment unit or attachment are the responsibility of the purchaser Units exported out of th...

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