Yamaha YS1070T Owner's Manual
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Yamaha YS1070T Owner's Manual

Yamaha YS1070T Owner's Manual

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OWNER'S MANUAL
E
MANUEL DU PROPRIÉTAIRE
F
BEDIENUNGSANLEITUNG
D
USO E MANUTENZIONE
I
EIERHÅNDBOK
N
INSTRUKTIONSBOK
S
OMISTAJAN KÄSIKIRJA
SF
Read this manual carefully before
operating this machine.
Il convient de lire attentivement ce
manuel avant la première utilisation de
la machine.
Bitte lesen Sie diese Bedienungsanleitung
sorgfältig durch, bevor Sie die Maschine
in Betrieb nehmen.
Leggere attentamente questo manuale
prima di utilizzare questa macchina.
Les denne håndboken nøye før du tar
maskinen i bruk.
Läs den här instruktionsboken noga
innan maskinen används.
Lue tämä käsikirja huolellisesti ennen
koneen käyttöä.
YS1070T
7XE-28199-U6

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  • Page 1 OWNER’S MANUAL MANUEL DU PROPRIÉTAIRE BEDIENUNGSANLEITUNG USO E MANUTENZIONE EIERHÅNDBOK INSTRUKTIONSBOK OMISTAJAN KÄSIKIRJA YS1070T Read this manual carefully before operating this machine. Il convient de lire attentivement ce manuel avant la première utilisation de la machine. Bitte lesen Sie diese Bedienungsanleitung sorgfältig durch, bevor Sie die Maschine...
  • Page 3 OWNER’S MANUAL YS1070T Read this manual carefully before operating this machine. 7XE-28199-U6-E0...
  • Page 4 Read this manual carefully before operating this machine. This manual should stay with this machine if it is sold. EC Declaration of Conformity YAMAHA MOTOR POWERED PRODUCTS CO., LTD. 242-2 Sakagawa, Kakegawa, Shizuoka, Japan ENGINE DRIVEN SNOW THROWER SET declare in sole responsibility, that the products YT660E (7T0-3300101−), YS1070TE (7XE-6300143−), YT1070E (7RW-5700740−)
  • Page 5 • Take care of this manual. Please attach this manual to the product when it is lent or transferred to another person. • When depositing the product, batteries, oil or other components, consult a Yamaha dealer for guidelines on protecting the environment.
  • Page 6 A NOTICE indicates special precautions that must be taken to avoid damage to the machine or other property. A TIP provides key information to make procedures easier or clearer. If you have any questions, please consult a Yamaha dealer immediately. Yamaha dealer is looking forward to serving you as a helpful adviser.

  • Page 7: Table Of Contents

    Contents Safety information ....1-1 Checking the auger clutch and  drive clutch for operation  General safety information ....1-1 malfunction ........3-7 Location of important labels ..... 1-6 Checking the chute operation..3-7 Symbol meaning ......1-8 Checking any troubles noticed  when previously operating the Controls and features ...
  • Page 8 Checking the battery fluid ....5-19 Replacing the fuse ......5-20 Lubricating each part ......5-22 Storage........6-1 Short-term.........6-1 Long-term .........6-5 Trouble recovery ....7-1 Troubleshooting ........7-1 Specifications......8-1 YS1070T...........8-1 Noise and vibration ......8-2 Consumer information..9-1 Product serial number label ....9-1 Index........10-1...

  • Page 9: Safety Information

    Safety information General safety information • Read and understand this owner’s manual and labels attached to the Snowblower completely before oper- ating the Snowblower. 1. Owner’s manual • Be sure to perform the pre-operation checks and periodic maintenance. • Do not allow children or anyone who does not under- stand how to operate the Snowblower correctly to operate it.
  • Page 10 Safety information • Do not operate the Snowblower in low visibility condi- tions, such as early morning and night time. • Do not start the engine with the guard or cover removed. • Check for foreign objects in rotating parts such as the auger and impeller or in the chute before operating.
  • Page 11 Safety information • Remove wooden blocks, cans, hoses, wires, ropes and all other foreign objects from the location you wish to clear snow from before operating the Snow- blower. • To clear snow on gravel, make sure there is a clear- ance between the auger housing and ground to pre- vent gravel from being blown together with snow.
  • Page 12 • If abnormal vibrations, noises or odors are noticed coming from the Snowblower, stop the engine and ask a Yamaha dealer to check and/or perform main- tenance. • When you park the Snowblower, stop it on a flat sur- face and lower auger onto the ground.
  • Page 13 Safety information • The muffler (exhaust pipe) will still be hot immedi- ately after the engine has stopped. Place the Snow- blower in a place where pedestrians are not likely to touch the Snowblower. • Do not use the Snowblower for purposes other than clearing snow.

  • Page 14: Location Of Important Labels

    Location of important labels To use the product safely, read the labels affixed to the machine, and use according to the instructions on the labels. If these important labels are damaged or missing, contact a Yamaha dealer for replace- ments.
  • Page 15 Safety information...

  • Page 16: Symbol Meaning

    Safety information Symbol meaning Please understand the following symbols before operating this machine. The Safety Alert Symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! Read the manual before operation. • Gasoline is a highly flammable and easily ignitable fuel. •...

  • Page 17: Controls And Features

    Controls and features Description Fuel gauge Left side cover Fuel tank Auger Top cover Impeller Transmission (HST) oil reservoir 10 Auger housing Muffler 11 Chute Fuel cock...
  • Page 18 Controls and features Working light Track Clean-out tool (lodged snow remover) Battery Right side cover Control panel Scraper Handlebar Skid 10 Fuel tank cap...
  • Page 19 Controls and features Drive clutch lever Throttle lever Auger clutch lever Oil level warning light Shift lever Turning switch Chute direction control lever Auger housing height control lever Chute deflector control lever 10 Engine switch/Engine switch key CARBURETOR Fuel cock lever “HOSE DRAIN”...
  • Page 20 Controls and features Inside the right side cover Fuse Engine oil filler cap Electric starter Engine oil drain bolt Inside the left side cover Spark plug cap/Spark plug Fuel drain hose Carburetor Fuel strainer cup Air filter Fuel cock lever...

  • Page 21: Control Function

    Controls and features Control function Engine switch The engine switch controls the ignition and the starter motor system. STOP START 1. “STOP ” 2. “ON ” 3. “START ” 4. Engine switch key 5. Grip 6. Engine switch STOP Position to stop the engine. The key can be inserted or removed.

  • Page 22: Oil Level Warning Light

    Controls and features Oil level warning light The oil level warning light comes on when the engine oil level falls below the specified limit during operation. If the oil level warning light comes on, stop the engine immediately, and add engine oil up to the specified level.

  • Page 23: Chute Direction Control Lever

    Controls and features Chute direction control lever Used to change the direction that snow is blown. 1. Chute direction control lever 2. Right 3. Left 4. Chute 5. Clockwise 6. Counterclockwise Move the chute direction control lever to the right The chute rotates clockwise.

  • Page 24: Drive Clutch Lever

    Controls and features Push the chute deflector control lever The chute deflector moves downward to blow snow nearby. NOTICE Do not press the chute deflector control lever forcefully. Doing so may damage the chute deflec- tor system. Drive clutch lever Used to make the Snowblower travel.

  • Page 25: Auger Housing Height Control Lever

    Controls and features Auger housing height control lever Used to adjust the height of the auger housing. 1. Auger housing height control lever To raise the auger housing Pull and hold the auger housing height control lever and push the handlebar down. Release the auger housing height control lever at the desired auger height.

  • Page 26: Fuel Cock

    Controls and features Fuel cock The fuel cock controls the fuel flow by turning the fuel cock lever. 1. Fuel cock lever 2. “RUN” 3. “STOP” 4. Fuel cock 5. “CARBURETOR DRAIN” CARBURETOR 6. “HOSE DRAIN” Turn the fuel cock lever to this position to start the engine and when the engine is running.

  • Page 27: Scraper

    Pebble and gravel roads Increase The skid is a wear part. When the skid is worn and needs replacement, have a Yamaha dealer replace it. Scraper The scraper is used to flatten the surface to clear snow. Adjust the clearance between the road surface and the scraper end according to road surface conditions (See page 5-16).

  • Page 28: Clean-Out Tool (Lodged Snow Remover)

    Have a Yamaha dealer replace the part. • If you keep operating the Snowblower with the damper protruding from the shear bolt guard, the shear bolt could break.

  • Page 29: Working Light

    Controls and features Working light When starting the engine, the working light comes on automatically and illuminates the front of the Snow- blower. 1. Working light 2-13...

  • Page 30: Before Operation

    Snowblower. • For safe use, conduct checks according to your own knowledge and ability. Consult a Yamaha dealer about any check-related issues that you deem beyond your ability to manage.

  • Page 31: Checking The Fuel Level

    Before operation Checking the fuel level Check that the needle in the fuel gauge is pointing to the “F” (Full) level. If the fuel level is low, remove the fuel tank cap and refill the tank. 1. Fuel gauge 2. Needle 3.
  • Page 32 Before operation WARNING Gasoline is a highly volatile and flammable fuel. When handling gasoline, be sure to observe the following points. • Do not smoke while refueling. Also, never put any other open flames close to the Snowblower while refueling. •...

  • Page 33: Checking The Engine Oil

    Before operation • Refill the fuel tank slowly. • Refill the fuel tank before it becomes empty. Checking the engine oil Remove the engine oil filler cap, and make sure that the engine oil is at the correct engine oil level. Position the Snowblower on a level surface.

  • Page 34: Checking The Transmission (Hst) Oil

    Before operation Install the right side cover (See page 5-5). 1. Oil level warning light NOTICE • If the oil level warning light comes on while you are operating the Snowblower, stop the engine immediately and add sufficient oil to the correct level.

  • Page 35: Checking The Auger

    Checking the handlebar for looseness or play Hold the handlebar and check it for any looseness or play by moving it left and right. If any looseness or play is found, consult a Yamaha dealer. Checking the starter motor operation Turn the engine switch key to the “START...

  • Page 36: Checking The Auger Clutch And Drive Clutch For Operation Malfunction

    Before operation Checking the auger clutch and drive clutch for operation malfunction After starting the engine, operate both auger clutch lever and drive clutch lever. Release each lever, and make sure that the auger stops rotating and that the Snowblower stops (See page 4-5). 1.

  • Page 37: Operation

    Operation Starting the engine WARNING Never operate the engine in a closed area. Exhaust fumes contain harmful chemicals such as carbon monoxide. Operating the engine in poor ventilated area or indoor could cause the carbon monoxide poisonous. Turn the shift lever to the “N” (Neutral) position, and make sure that both auger clutch lever and drive clutch lever are releasing.
  • Page 38 If not, the bulb of the oil level warning light may have been burnt out. In this case, contact a Yamaha dealer for service. • If the engine fails to start within 5 seconds after turn- ing the engine switch key, return the key to the “STOP...

  • Page 39: Stopping The Engine

    Operation When the engine speed has stabilized, move the throttle lever from the “FAST (START) ” position to the “SLOW ” position. 1. Throttle lever 2. “FAST (START) ” 3. “SLOW ” Stopping the engine Turn the engine switch key to the “STOP ”...
  • Page 40 Operation Make sure that the shift lever is in the “N” (Neutral) position, and move the throttle lever to the “FAST (START) ” position. 1. Shift lever 2. “N” (Neutral) 3. Throttle lever 4. “FAST (START) ” 5. “SLOW ” Hold the drive clutch lever.

  • Page 41: Changing The Direction Of Travel

    Operation Changing the direction of travel Press the turning switch in direction that you want to turn the Snowblower. 1. Turning switch Turning right Press the right turning side of the turning switch and hold it down. Turning left Press the left turning side of the turning switch and hold it down.
  • Page 42 Operation Adjust the snow blowing distance by using the chute deflector control lever. 1. Chute deflector control lever 2. Pull 3. Push 4. Upward 5. Downward Make sure that the shift lever is in the “N” (Neutral) position, and hold the drive clutch lever. 1.
  • Page 43 Operation Move the shift lever from the “N” (Neutral) position to the “F” (Forward) or “R” (Reverse) position. 1. Shift lever 2. “N” (Neutral) NOTICE Operating the shift lever rapidly will apply load on the transmission (HST) and could cause damage to the parts and oil leakage.

  • Page 44: Operation Of Drive Clutch Lever And Auger Clutch Lever

    Operation Operation of drive clutch lever and auger clutch lever To move the Snowblower, hold the drive clutch lever. If the auger clutch lever is pulled back while the drive clutch lever is being held, the Snowblower will still travel and blow snow. Hold the drive clutch Move the shift lever to the Release the drive...

  • Page 45: Stopping Clearing Snow

    Operation Stopping clearing snow Release the drive clutch lever. The auger rotation stops, and the Snowblower stops moving. 1. Drive clutch lever Move the shift lever to the “N” (Neutral) position. 1. Shift lever 2. “N” (Neutral) Hold the drive clutch lever and pull back the auger clutch lever to clear the snow on the auger and impeller.

  • Page 46: Moving The Snowblower With The Engine Stopped

    Operation To stop the Snowblower, lower the auger to the ground and move the shift lever to a position other than the “N” (Neutral) position. WARNING Position the Snowblower on a level surface. If you need to stop it on angled or soft ground, exercise care not to fall off or move the Snowblower.
  • Page 47 Operation NOTICE • Do not hammer the sprocket pins. Doing so may break the pins. • Always fold and close the ring to prevent it from coming loose. 4-11...

  • Page 48: Periodic Maintenance

    WARNING If you are not familiar with maintenance work, have a Yamaha dealer do it for you. Tool kit These tools are provided with the Snowblower for user’s maintenance.

  • Page 49: Maintenance Chart

    NOTICE Use only Yamaha specified genuine parts for replacement. Ask an authorized Yamaha dealer for further attention. Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and technical skills. Pre- Initial...
  • Page 50 Periodic maintenance Pre- Initial Every Item Routine operation 1 month 6 months 12 months check    • Working conditions • Chute deflector/direc-   tion control lever oper- ation Chute     • Looseness and play •...
  • Page 51 Periodic maintenance Pre- Initial Every Item Routine operation 1 month 6 months 12 months check   * • Fuel leakage • Carburetor throttle   valve and choke valve conditions Fuel system • Carburetor adjustment   conditions  •...

  • Page 52: Changing The Engine Oil

    • As correct disposal of used oils is mandated by regu- lations (such as pollution prevention act), consult a Yamaha dealer for oil disposal guidelines. • For the first engine oil change, change the engine oil after 20 operating hours (that is, when you have refu- eled four times).
  • Page 53 Periodic maintenance Place a suitable container below the engine oil drain bolt to collect the used oil. Drain the engine oil completely by removing the engine oil filler cap, the engine oil drain bolt, and its gasket. 1. Engine oil filler cap 2.

  • Page 54: Refilling The Transmission (Hst) Oil

    Periodic maintenance Tightening torque: Engine oil drain cover bolt: 10 N·m (1.0 kgf·m) Right side cover bolt: 10 N·m (1.0 kgf·m) Refilling the transmission (HST) oil WARNING Position the Snowblower on a level surface. Stop the engine and remove the engine switch key. Remove the oil reservoir cap and the diaphragm.

  • Page 55: Changing The Worm Case Oil

    2. Diaphragm 3. Oil reservoir cap Changing the worm case oil If necessary, have a Yamaha dealer change the worm case oil. For the first worm case oil change, change the worm case oil after 20 operating hours (that is, when you have refueled four times).
  • Page 56 Check the spark plug for any signs of burns. Burn marks on spark plugs are usually medium-to- light tan. If there are any black or white burn marks, consult a Yamaha dealer. Remove deposits (carbon) from the spark plug electrode using a plug cleaner or a wire brush.
  • Page 57 Periodic maintenance Spark plug: NGK BPR4ES Spark plug gap: 0.7–0.8 mm Install the spark plug, and then tighten the spark plug to the specified torque. Tightening torque: Spark plug: 20 N·m (2.0 kgf·m) If a torque wrench is not available when installing a spark plug, a good estimate of the correct torque is 1/4–1/2 turn past finger tight.

  • Page 58: Cleaning The Fuel Strainer

    Periodic maintenance Cleaning the fuel strainer WARNING Gasoline is a highly volatile and flammable fuel. When handling gasoline, be sure to observe the following points. • Do not smoke while carrying out a service.  Also, never put any other open flames close to the Snowblower while servicing.

  • Page 59: Adjusting The Skids

    Periodic maintenance Remove the ring nut, and then remove the fuel strainer cup, gasket and fuel strainer. Clean the fuel strainer cup and the fuel strainer, and wash them using gasoline. 1. Fuel strainer cup 2. Gasket 3. Fuel strainer Check the gasket for damage.
  • Page 60 Periodic maintenance Check the clearance between the auger end and the road surface. 1. Skid 2. Auger end 3. Road surface 4. Clearance Clearance between the au- ger end and the road surface Factory set 5 mm (Standard position) Concrete and asphalt roads Decrease Pebble and gravel roads Increase...

  • Page 61: Replacing The Auger Shear Bolts

    Periodic maintenance Adjust the left and right skids so they are both the same height. Tighten the nuts of skid to the specified torque. Tightening torque: Nut: 16 N·m (1.6 kgf·m) Replacing the auger shear bolts WARNING • Do not look into or put your hands near the impeller or auger when they are rotating.

  • Page 62: Replacing The Impeller Shear Bolt

    Have a Yamaha dealer replace the part. • If you keep operating the Snowblower with the damper protruding from the shear bolt guard, the shear bolt could break.

  • Page 63: Adjusting The Scraper

    Periodic maintenance Be sure to use the clean-out tool (lodged snow remover) to remove snow and other obstacles from the auger housing. Remove the locknut, the shear bolt. 1. Locknut 2. Shear bolt 3. Impeller Install the new shear bolt and then tighten the new locknut to the specified torque.

  • Page 64: Checking And Adjusting The Track Ten- Sion

    Periodic maintenance Adjust the clearance to the road surface by moving the scraper. Clearance Direction A Increase Direction B Decrease 1. Clearance between scraper end and road surface 2. Clearance between auger end and road surface Adjust the clearance between the scraper end and the road surface so that it becomes equal to or greater than the clearance between the auger end and the road surface.

  • Page 65: Adjusting

    Periodic maintenance Check the track for wear and damage at the same time. Adjusting Stop the engine and remove the engine switch key. Loosen the wheel nut on both sides. 1. Wheel nut Loosen the locknut, and adjust the track slack by turning the adjusting nut.

  • Page 66: Checking The Battery Fluid

    Periodic maintenance Stop the engine and remove the engine switch key. If the broken sprocket pin remains in the sprocket wheel or wheel axle, remove it. 1. Sprocket wheel 2. Wheel axle Install a new sprocket pin. 1. Sprocket pin NOTICE •...

  • Page 67: Replacing The Fuse

    1. Minimum level mark “LOWER LEVEL” 2. Maximum level mark “UPPER LEVEL” If the battery fluid is below the minimum level mark, have a Yamaha dealer add distilled water. Replacing the fuse WARNING • Always use a fuse of the specified rating, and never use a substitute object in place of the proper fuse.
  • Page 68 5. Blown fuse Fuse capacity: 30 A (blade-type fuse) If the fuse immediately blows again, have a Yamaha dealer check the electrical system. Install the right side cover to the original position by inserting the projections into the rubber grom- mets of the body, and then install the bolts and tighten them to the specified torque.

  • Page 69: Lubricating Each Part

    Periodic maintenance Lubricating each part Lubricate each part with grease or gasoline engine oil (SAE 5W-30) every month of oper- ation or after every 10 hours of each operation, whichever comes first. • Moving parts of chute deflector control lever •...
  • Page 70 Periodic maintenance 6. Chute assembly moving parts 7. Chute motor gears and ring gears 5-23...

  • Page 71: Storage

    Storage To have your Snowblower checked or maintained before storage, consult a Yamaha dealer. If you conduct the checks and maintenance by your- self, handle the gasoline carefully and use the following procedure. WARNING Gasoline is a highly volatile and flammable fuel.
  • Page 72 Storage Remove the fuel tank cap and bolts 1, 2, and then remove the top cover. 1. Fuel tank cap 2. Bolt 1 3. Bolt 2 4. Top cover Disconnect the negative lead from the negative battery terminal. 1. Negative lead See “Checking the battery fluid”...
  • Page 73 Storage Pull the lower part of the left side cover toward you, and then detach the upper projections from the rubber grommets of the body by pulling down the left side cover. 1. Left side cover 2. Projection Remove the bolts, and remove the fuel cock bracket from the chassis.
  • Page 74 Storage Turn the fuel cock lever from the “RUN” position to the “CARBURETOR DRAIN” position. Drain the gasoline from the carburetor into the container through the fuel drain hose. 1. “RUN” 2. “CARBURETOR DRAIN” 3. Fuel cock lever 4. Fuel drain hose 5.

  • Page 75: Long-Term

    Storage Install the left side cover to the original position by inserting the projections into the rubber grommets of the body, and then install the bolts and tighten them to the specified torque. Tightening torque: Fuel cock bracket bolt: 10 N·m (1.0 kgf·m) Left side cover bolt: 10 N·m (1.0 kgf·m) Top cover bolt 1:...

  • Page 76: Trouble Recovery

    Trouble recovery Troubleshooting This section describes the likely causes and remedies for problems. If your Snowblower requires repair, bring it to a Yamaha dealer. The Snowblower does not travel. Item Check Action Page Is the sprocket pin inserted Sprocket pin Check the hole position.
  • Page 77 Replace the impeller shear Impeller shear bolt 5-15 ken? bolt. Does rubber protrude from the inside of the shear bolt guard? Have a Yamaha dealer re- — Shear bolt guard Is the rubber strength beyond place the shear bolt guard. its limit? Chute Is snow lodged in the chute? Remove the lodged snow.

  • Page 78: Specifications

    Specifications YS1070T DIMENSIONS: Overall length 1576 mm Overall height 1105 mm Overall width 745 mm Weight 182 kg Snow clearing width 715 mm Snow clearing height 510 mm Snow blowing system Dual-stage auger blower Chute rotation angle 220 Driving system...

  • Page 79: Noise And Vibration

    Noise and vibration YS1070T Sound pressure level at operator’s ears  80 dB(A) (EN ISO11200: 1995)

  • Page 80: Consumer Information

    Consumer information Product serial number label Both the product name and the product serial number are required when making inquiries and reordering of parts. Check the product serial number label, and fill the prod- uct name and the product serial number columns at below.

  • Page 81: Index

    Chute deflector control lever ..... 2-7 Short-term ..........6-1 Chute direction control lever ..... 2-7 Skid............2-10 Cleaning the fuel strainer ......5-11 Specifications, YS1070T......8-1 Clean-out tool (Lodged snow remover)... 2-12 Starting the engine........4-1 Clearing snow ........... 4-5 Stopping clearing snow......4-9 Control function ......... 2-5 Stopping the engine........4-3...
  • Page 82 Printed in Japan 2020.05-0.11 !
  • Page 84 Original instructions Notice originale Originalbetriebsanleitung Istruzioni originali Opprinnelige instruksjoner Bruksanvisning i original Alkuperäiset ohjeet Printed in Japan 2020.05-0.1×1 ! (E, F, G, H, N, M, L)

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