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Service

WARNING

Before performing any adjustment or service to
snowthrower, stop the engine and wait for moving
parts to stop. Remove the key. To prevent accidental
starting, disconnect the spark plug wire and fasten
away from the plug. 

14

PROBLEM

POSSIBLE CAUSE

REMEDY

Engine fails to start.

1. Key is OFF.

2. Failure to Prime cold Engine

3. Fuel valve is in CLOSED position.

4. Out of fuel.

5. Choke OFF - cold engine.

6. Engine flooded.

7. Spark plug not sparking.

8. Water in fuel, or old  fuel.

1. Push key in to the ON position.

2. Press Primer Button twice and restart.

3. Turn valve to OPEN position.

4. Fill fuel tank.

5. Turn choke to ON, set throttle to

FAST.

6. Turn choke to OFF; try starting.

7. Check gap. Gap plug, clean elec-

trode, or replace plug as necessary.

8. Drain tank (Dispose of fuel at an

authorized hazardous waste facility).

Fill with fresh fuel.

Engine starts hard or runs poorly.

1. Fuel mixture too rich.

2. Carburetor adjusted incorrectly.

3. Spark plug faulty, fouled, or gapped

improperly.

1. Move choke to OFF position.

2. See your dealer for adjustments.

3. Clean and gap, or replace.

Auger does not rotate.

1. Auger Control not engaged.

2. Foreign matter blocking auger. 

3. Auger drive clutch rod slack.

4. Auger drive belt slipping.

5. Broken belt.

6. Shear pin broken.

1. Engage Auger Control.

2. STOP engine and REMOVE the key.

DISCONNECT the spark plug wire.

Clear auger using a narrow board.

See warning in SAFETY RULES.

3. Tighten to remove slack. See auger

clutch rod adjustment.

4. Check auger drive belt adjustment.

5. Replace belt.

6. Replace shear pin.

TROUBLESHOOTING

This section provides troubleshooting and service
instructions. Locate the problem and check the possible
cause/remedy in the order listed. 

Also, refer to the engine manufacturer’s Owner’s Manual
for additional information. 

For problems not covered here, contact your local deal-
er.

Summary of Contents for 1693161

Page 1: ...er for a particular manual is the page IMMEDIATELY AFTER the front cover Check the front cover for the individual part number typically a 171xxxx number BODY The body of the manual is identical regard...

Page 2: ...THIS PAGE INTENTIONALLY BLANK...

Page 3: ...nual Start 1693163 555M 5HP Snowthrower Manual Start Export 1693425 555M 5HP Snowthrower Manual Start 755 Models Mfg No Description 1693162 755E 7HP Snowthrower Electric Start 1693164 755M 7HP Snowthr...

Page 4: ...MANUFACTURING INC 500 N Spring Street PO Box 997 Port Washington WI 53074 0997 www simplicitymfg com Copyright 1998 Simplicity Manufacturing Inc All Rights Reserved Printed in USA...

Page 5: ...ute Worm Assy Adjustment 22 Discharge Chute Control Rod Gear Adjustment 22 Checking Tire Pressure 22 SPECIFICATIONS 23 REPLACEMENT PARTS ACCESSORIES 24 TECHNICAL MANUAL AVAILABILITY 24 For easy refere...

Page 6: ...serious injury do not put your hands into the auger housing or discharge chute If auger stalls or chute becomes plugged use the following proce dure to remove objects or clear the chute 1 Release both...

Page 7: ...e for electric starting Adjust snow discharge angle for safe flow when oper ating near glass enclosures automobiles window wells dropoffs etc Do not overload machine capacity by clearing snow at too f...

Page 8: ...WER Shut off engine before unclogging discharge chute 1716533 Part No 1716533 Discharge Chute Danger Decal Part No 1715556 WARNING Main Dash Decal Safety Signs Decals Part No 1715555 Auger Control Dec...

Page 9: ...Knob Adjusts air fuel mixture Control Reference Chart A B C D E F G H Speed Selector Drive Control Auger Control Chute Direction Control Chute Deflector Chute Deflector Knob Skid Shoes Traction Lock P...

Page 10: ...pressing the primer button twice will provide enough fuel to start a cold engine E Throttle Lever The throttle lever E Figure 3 con trols the engine speed For best overall performance the throttle le...

Page 11: ...ght right E Chute Deflector Controls the distance snow is thrown Tilting the Chute Deflector E Figure 5 UP provides a higher stream and greater distance while tilting the deflector DOWN provides a low...

Page 12: ...and set the deflector at the desired angle 10 Check the Speed Selector A Figure 1 for smooth operation The control must move freely into each speed position gate and remain in position when released I...

Page 13: ...peed The engine will not develop full power until it reaches operating temperature B A C D Figure 7 Operator s Control Position FRONT A Speed Selector B Drive Control C Auger Control D Chute Direction...

Page 14: ...en the deflector knob tilt the deflector UP or DOWN and then retighten the knob when the desired angle has been chosen SCRAPER BAR SKID SHOES On smooth surfaces such as concrete or asphalt the scraper...

Page 15: ...damage to people and property Drain fuel into an approved container outdoors away from open flame or sparks AFTER EACH USE Normal use of the snowthrower may result in a build up of packed snow in and...

Page 16: ...wthrower as described in the LUBRI CATION section of this manual page 13 3 Clean the snowthrower thoroughly Coat exposed bare metal parts with a quality paint available from you dealer or a light film...

Page 17: ...the auger shaft are lubricated regularly If auger rusts to shaft damage to worm gear may occur if shear pins do not break To prevent wheels rusting to axles it is also necessary to remove the wheels a...

Page 18: ...ility Fill with fresh fuel Engine starts hard or runs poorly 1 Fuel mixture too rich 2 Carburetor adjusted incorrectly 3 Spark plug faulty fouled or gapped improperly 1 Move choke to OFF position 2 Se...

Page 19: ...lutch rod bent or too tight 1 Loosen rod to remove slack or replace See adjustment procedure Snowthrower does not drive when drive lever is engaged 1 Traction drive clutch rod loose 2 Drive belt loose...

Page 20: ...lack in the rod when moved slightly from side to side but bellcrank arm remains in fully down position To adjust tension on the rod 1 Loosen adjustment hex nuts Figure 18 2 Tighten top hex nut while h...

Page 21: ...drive belt ten sion may require adjustment See Adjusting Auger Drive Belt on next page Figure 20 Drive Belt Paths DRIVE BELT ADJUSTMENT The snowthrower is equipped with two drive belts locat ed just...

Page 22: ...control and measure the expanded length of the spring The spring should expand 19 64 5 16 If the spring deflection is less than 19 64 5 16 the auger idler pulley must be adjusted Proceed to step 5 5 U...

Page 23: ...he Traction Drive which transmits engine power to the wheels and a second for the Auger Drive which trans mits engine power to the auger mechanism Each of these drive belts are of special construction...

Page 24: ...the pulley to permit removal of belt 9 Pull the belt out of the unit and install the new belt on the auger drive pulley 10 Position belt stop to provide 1 8 clearance between stop and belt and and tig...

Page 25: ...e legs of the new cotter pin fully Do NOT replace shear pins with anything other than the correct grade replacement shear pin See the REPLACEMENT PARTS section at the back of this man ual for the corr...

Page 26: ...n Control Rod Gear Adjustments CHUTE DIRECTION CONTROL ROD GEAR ADJUSTMENT If the Discharge Chute becomes difficult to rotate or begins to operate erratically the Chute Direction Control rod gears may...

Page 27: ...ve forward and two reverse Axle Solid Tire Inflation 20 psi 136 kPa AUGER HOUSING Construction Welded steel stampings Effective Width 22 in 55 cm Auger Opening Height with Extension 16 5 in 42 cm Chut...

Page 28: ...nowthrowing Electric Start Kit 120V AC Offers operator the convenience of electric starting Available for all models Standard on some models Drift Cutters Part No 1685189 Helps break through drifts TE...

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