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Do not use choke to start a warm engine.

Never use choke to stop engine.

Do not use the primer if the engine has been running
and is hot. Excessive priming may flood the engine and
prevent it from starting.

CHOKE

SCRAPER BLADE

PRIMER

RECOIL STARTER

SAFETY IGNITION SWITCH

Engage choke by rotating lever to ClOSED position
whenever you are starting a cold engine. As engine
warms up, gradually rotate the choke to the OPEn
position.

When the snow thrower is on a level surface the
wheels, scraper blade, and auger should all contact
the surface. If the scraper blade is adjusted too high,
snow may blow under the housing. If the scraper

blade wears out excessively, or the snow thrower

does not self-propel, the scraper blade may be too low
and needs to be adjusted.

On new snow throwers with a new scraper blade
installed, the auger may be slightly off the ground.

Follow these steps to adjust the scraper blade:

1. Run the snow thrower until the fuel tank is empty.

2. Pull the recoil starter handle until resistance is felt.

Then tip the snow thrower back until it rest on the
handle.

3. Loosen the four flange lock nuts and carriage

screws which secure the scraper blade to housing.
Move the scraper blade to the desired position and
retighten the nuts and screws securely.

Tip the snow thrower back to the operating
position and pull the starter handle a few times to

see if it is difficult to pull.

5. If the starter is difficult to pull, remove the spark

plug and pull the handle several times to ensure
that any oil trapped in the head is removed.

6. Inspect the spark plug. If it is wet, clean off any oil

before re-installing.

Press the primer to pump additional fuel from the
carburetor to the cylinder for improved cold weather
starting.

Firmly push in the primer with your thumb, holding
the primer in for a second before releasing it each
time.

Remove your glove when you push in the primer so
that air can not escape from the primer hole.

The recoil starter is on the back side of the engine.
Pull the recoil starter handle to start the engine.

Insert the safety ignition key for engine to start and
run. To stop the engine, remove the key.

Oil may come out of the spark plug hole when it is
removed and the starter handle is pulled.

Know your Machine

Figure 8

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Содержание YB4628

Страница 1: ...anual FOR YOUR SAFETY READ AND UNDERSTAND THE ENTIRE MANUAL BEFORE OPERATING MACHINE MODEL NUMBER YB4628 SERIAL NUMBER PURCHASE DATE Both model number and serial number may be found on the main label...

Страница 2: ...nitely has its privileges but it also comes with a great deal of responsibility When duty calls and you need to respond will you have what it takes to tame the great outdoors When looking for outdoor...

Страница 3: ...contain or emit chemicals known to the state of California to cause cancer and birth defects or other reproductive harm MODEL AND SERIAL NUMBERS Record the model and serial number as well as date and...

Страница 4: ...l us at support yardmax com or contact us via your favorite social media site Model Number YB4628 Clearing Width 18 Engine YARDMAX Displacement 87 cc Start Type Recoil Auger Diameter 8 Clearing Depth...

Страница 5: ...Only use clean out tool to clear blockage Never use your hands Do not use the chute handle to lift the unit Do not remove or tamper with the protection and safety devices No smoking sparks or flames...

Страница 6: ...he unit Always wear safety goggles or safety glasses with side shields when operating Wear appropriate hearing protection Always keep hands and feet away from all moving parts during operation Moving...

Страница 7: ...exposed live electrical parts and connections to avoid sparking or arcing These events could ignite fumes or vapors Always stop the engine and allow it to cool before filling the fuel tank Never remo...

Страница 8: ...ay alert for hidden hazards or traffic Do not overload machine capacity by attempting to clear snow at too fast of a rate Do not throw snow any higher than necessary Adjust auger housing height to cle...

Страница 9: ...4 Directional Chute Control Handle 5 Wheels 6 Operator s Manual Engine Manual 7 Tools for Spark Plug Assembly 8 Hardware Kit Including ST6 3 X 25 X 4 1 X 2 2 M8 X 45 X 4 3 TOUCH UP PAINT Orange X 1 4...

Страница 10: ...to the wheel hole 4 Follow the steps 1 3 to assemble the other wheel X 2 2 ST6 3 X 25 X 4 1 1 Align the screw holes and the pin holes with the plastic studs in the chute base with the holes in the low...

Страница 11: ...s and nuts Be sure not to pinch or kink the auger clutch cable in the process 1 Align the holes in the handlebars and the holes in the lower handle Note Figure 3a below that the handle must face upwar...

Страница 12: ...tch Cable Adjuster Link Recoil Start Handle Chute Deflector Auger Scraper Blade Belt Cover Fuel Filler Cap Throttle Control Lever Primer Safety Ignition Switch Chute Handle Discharge Chute EngineOilFi...

Страница 13: ...he auger This will cause excessive heat build up in the auger which could cause damage to the auger and scraper blade When engaged the auger rotates and draws snow into the auger housing and throws it...

Страница 14: ...it rest on the handle 3 Loosen the four flange lock nuts and carriage screws which secure the scraper blade to housing Move the scraper blade to the desired position and retighten the nuts and screws...

Страница 15: ...side The cable adjuster link found under the spring cover provides further adjustment options if required 1 Slide up the spring cover and unhook the spring from the adjuster link You can pull up the a...

Страница 16: ...TRANSPORTATION Slightly overlap each successive path to ensure all snow will be removed For large areas start in the middle and throw snow to each side so snow is not cleared more than once For extrem...

Страница 17: ...y and allow the engine to cool 3 Lubricate the machine as instructed 4 Clean the exterior of the engine and the snow thrower thoroughly 5 Touch up all rusted or chipped paint surfaces sand affected ar...

Страница 18: ...ew belt around the drive pulley and under the idler pulley 7 Route the end of the new belt around the auger pulley and slide the pulley back on to the auger shaft It may be necessary to push down on t...

Страница 19: ...d 6 Spark plug wire loose 7 Faulty spark plug 8 The engine oil level in the engine crankcase is too low or too high 1 Move choke lever to RUN position 2 Fill tank with clean fresh gasoline 3 Replace w...

Страница 20: ...Auger belt loose or damaged 5 Augerrubberpaddleswornordamaged 6 Throwing too much snow 7 Trying to remove extremely heavy or wet snow 8 Auger is frozen in place 1 Unclog discharge chute 2 Remove debri...

Страница 21: ...PARTS DIAGRAM 20 Single Stage Snow Blower Operator s Manual Parts Diagram 30230US25M100 indd 20 2016 9 3 11 04 20...

Страница 22: ...oller 1 37 Roller Shaft 1 38 Spring Washer 8 4 No Description QTY 39 Roller Bushing 1 40 Key A5x18 1 41 Support Base Plate 1 42 Chute Adapter 1 43 Auger Reinforcing Plate 1 44 Support Plate Right 1 45...

Страница 23: ...Chute 1 78 Bolt M8x45 4 79 Thick Lock Nut M6 2 No Description QTY 80 Arc Washer 6 1 81 Recoil Start Handle Bracket 1 82 Lower Handle 1 22 Single Stage Snow Blower Operator s Manual Parts List 30230US2...

Страница 24: ...Tame the Great Outdoors TM 1850 W Winchester Rd Suite 106 Libertyville IL 60048 844 YARDMAX 844 927 3629 info yardmax com yardmax com 30230US25M100 indd 23 2016 9 3 11 04 20...

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