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16

Chute Does Not Turn 

(A, AS type)

Engine Has Low Power

Snow Not Discharging Properly

Engine Stalls When the Clutch Lever 
is Engaged

TECHNICAL INFORMATION

Serial Number Locations

There are two serial numbers, one for the engine and one for the 
snow blower frame. Record the engine and frame serial numbers in 
the space below. You will need these serial numbers when ordering 
parts and when making technical or warranty inquiries.

Engine serial number: _

GCAAA-

___________________________

Frame serial number: _

SAAA-

_____________________________

Date of purchase: ________________________________________

Possible cause

Correction

Chute, gears, or lever 
are clogged or frozen.

Melt snow or clear obstruction from 
unit.

If lever turns but chute 
does not:

See your servicing Honda snow 
blower dealer.

Possible cause

Correction

Fast ground speed puts 
excessive load on the 
engine.

Reduce your walking speed.

Wet, deep snow puts an 
excessive load on the 
engine.

Reduce the snow throwing swath.

Discharge chute is 
restricted.

Clear the discharge chute of 
obstructions (

page 7

).

Spark plug cap is not 
secure.

Make sure the spark plug cap is 
securely connected.

Improper electrode gap 
or deposits on the gap.

Verify the spark plug is free of 
deposits and has the proper gap 
(

page 12

).

Choke in the wrong 
position.

Make sure the choke is in the OPEN 
position (

page 8

).

Stale or old fuel.

Be sure the tank has fresh fuel.
Drain the carburetor (

page 14

).

Possible cause

Correction

Discharge chute is 
restricted.

Clear the discharge chute of 
obstructions (

page 7

).

Foreign object stopping 
the auger from rotating.

Remove the foreign object (

page 7

).

Auger not engaging 
because the drive belt is 
worn, broken, or not on 
the pulleys.

See your servicing Honda snow 
blower dealer.

Swath is too wide for 
wet, deep snow 
conditions.

Reduce snow throwing swath.

Snow Blower is moving 
too fast for snow 
conditions.

Reduce your walking speed.

Possible cause

Correction

Discharge chute is 
restricted.

Clear the discharge chute and auger 
housing of obstructions (

page 7

).

Foreign object is 
stopping the auger from 
rotating.

The auger is frozen.

ENGINE 
SERIAL NUMBER

FRAME 
SERIAL NUMBER

Summary of Contents for HS720A

Page 1: ...uretor 14 Lubrication 15 Cleaning 15 Storage Location 15 Removing From Storage 15 TROUBLESHOOTING 15 Electric Starter Will Not Operate 15 Starter Operates But the Engine Will Not Start 15 Engine Runs...

Page 2: ...ortant Message to Parents The safety of your children is very important to Honda Snow blowers are tools not toys As with any equipment bad judgments can result in serious injuries Your child must be b...

Page 3: ...tarting the Engine 9 Stopping the Engine 10 SERVICING YOUR SNOWTHROWER Maintenance Safety 10 Maintenance Schedule 11 Oil Change 11 Spark Plug 12 Auger 12 TRANSPORTING 14 STORAGE Fuel 14 Oil 14 Cleanin...

Page 4: ...blower is shipped WITHOUT OIL in the engine 2 With the snow blower on a level surface remove the oil filler cap dipstick 3 Add oil from the included bottle of oil into the oil filler opening to the t...

Page 5: ...ect the area before operating the snow blower Anything that can be picked up by the auger blades and thrown is a potential hazard to you and others Look for things like stones sticks nails and wire an...

Page 6: ...the snow discharge chute becomes clogged stop the engine and disconnect the spark plug cap Use a wooden stick to remove the obstruction Never put your hand into the snow discharge chute while the eng...

Page 7: ...ower s exhaust contains poisonous carbon monoxide gas which can collect rapidly in an enclosed or partially enclosed area and cause illness or death Clearing a Clogged Discharge Chute Never use your h...

Page 8: ...dle UP or DOWN to change the distance of snow discharge Move guide handle RIGHT to direct snow discharge to the left Move guide handle LEFT to direct snow discharge to the right Remote Chute Guide Con...

Page 9: ...back against the starter bracket Return it gently to prevent damage Do not pull the starter grip while the engine is running The starter could be damaged 4 Let the engine warm up for several minutes I...

Page 10: ...ine parts or their equivalents for repair and replacement Maintenance replacement or repair of the emission control devices and systems may be performed by any engine repair establishment or individua...

Page 11: ...he drain plug using a new drain plug washer 4 After draining take the oil to your local recycling center or service station Do not throw it in the trash pour it on the ground or pour it down a drain 5...

Page 12: ...k plug seats If installing a new spark plug tighten 1 2 turn after the spark plug seats If you own a torque wrench tighten the spark plug to the specified torque TORQUE 14 ft lb 20 N m NOTICE A loose...

Page 13: ...raper blade Replace the scraper blade if it is less than 1 16 in 2 mm thick See Replacement on this page Adjustment 1 Turn the engine switch and fuel valve to the OFF position and disconnect the spark...

Page 14: ...your snow blower trouble free and looking good To help keep rust and corrosion from impairing your snow blower s function and appearance and to make the engine easier to start after storage follow the...

Page 15: ...nonporous cover will trap moisture around the snow blower promoting rust and corrosion Removing From Storage Check your snow blower as described in BEFORE OPERATION page 5 If the cylinder was coated w...

Page 16: ...now throwing swath Discharge chute is restricted Clear the discharge chute of obstructions page 7 Spark plug cap is not secure Make sure the spark plug cap is securely connected Improper electrode gap...

Page 17: ...lems That May Affect Emissions If you are aware of any of the following symptoms have your engine inspected and repaired by your servicing dealer Hard starting or stalling after starting Rough idle Mi...

Page 18: ...tinuous operating time 1 0 hr Model GC190 Type 4 stroke overhead cam single cylinder air cooled Displacement 11 4 cu in 187 cc Bore and stroke 2 71 x 1 97 in 69 0 x 50 0 mm Compression ratio 8 5 1 Ign...

Page 19: ...mote fuel deterioration 3 to 4 Weeks Before Next Use Reason Keep your snow blower s fuel tank full of fresh fuel when not in use Turn the fuel valve OFF If the fuel tank is only partially filled air i...

Page 20: ...ns These publications will give you information for maintaining and repairing your snow blower Owner s Manual Keep this owner s manual handy so you can refer to it at any time Consider this owner s ma...

Page 21: ...llow limitations on how long an implied warranty lasts and or do not allow the exclusion or limitation of incidental or consequential damages therefore the above exclusions and limitations may not app...

Page 22: ...epairs and must be provided without charge to the owner A list of warranted parts is shown in the table below All emission related parts are under warranty for the remainder of the warranty period Nor...

Page 23: ...rd shown below Complete and submit the on line form at powerequipment honda com Scan the QR code below and then complete and submit the online form commercial rental users check one private homeowner...

Page 24: ...lick Submit It s that simple Power Equipment Division American Honda Motor Co Inc 4900 Marconi Dr Alpharetta GA 30005 9956 NO POSTAGE NECESSARY IF MAILED IN THE UNITED STATES Product Registration BUSI...

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