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YARDMAX RV 170-S Operator's Manual

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Save This Manual for Future Reference
Gasoline Engine
Operator's Manual
MODEL NUMBER
RV 170-S
SERIAL NUMBER
PURCHASE DATE
Both model number and serial
number may be found on the
main label. You should record
both of them in a safe place for
future use.
FOR YOUR SAFETY
READ AND UNDERSTAND THE ENTIRE MANUAL BEFORE OPERATING MACHINE
Tame the Great Outdoors
®

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Summary of Contents for YARDMAX RV 170-S

  • Page 1 Save This Manual for Future Reference Gasoline Engine Operator’s Manual MODEL NUMBER RV 170-S SERIAL NUMBER PURCHASE DATE Both model number and serial number may be found on the main label. You should record both of them in a safe place for future use.

  • Page 2: Table Of Contents

    Up for the job? YARDMAX is. When looking for outdoor power equipment (OPE) to get the job done right, at the right price, YARDMAX delivers the perfect combination of performance and practicality. YARDMAX has a solution that’s right for you.
  • Page 3 Have questions about your YARDMAX equipment? Call us at 847-327-0566 or 844-YARDMAX, email If a problem should arise, or if you have any questions us at support@yardmax.com, or contact us via your about your engine, consult your engine dealer. favorite social media site.
  • Page 4 SPECIFICATIONS Model RV170-S Lubricating mode Single cylinder, 4-Stroke, Starting Mode Recoil start Type Forced Air Cooling, OHV Counter-clockwise (from Rotation P.T.O. side) Net Power (KW/3600rpm) input valve: 0.05 mm Valve Clearance ~0.10mm, output valve: 0.05 Max. torque 8.8/2500 mm ~0.10mm Spark plug Fuel consumption 0.7 mm ~0.8mm...

  • Page 5: Safety

    Gasoline Engine Operator’s Manual » SAFETY OWNER RESPONSIBILITIES Do not run the engine in airtight or ill-ventilated places. The engines are designed to give safe and dependable service if Inclination of gasoline engine which indicates the included operated according to instructions. Read and understand this angle between crankcase cover and level is less than 26°during owner’s manual before operating the engine.

  • Page 6: Know Your Engine

    CARBON MONOXIDE HAZARD OTHER EQUIPMENT Exhaust gas contains poisonous carbon monoxide. Avoid Review the instructions provided with the equipment powered inhalation of exhaust gas. Never run the engine in a closed garage by this engine for any additional safety precautions that should be observed in conjunction with engine startup, shutdown, operation, or protective apparel that may be needed to operate the equipment.

  • Page 7: Check Before Operation

    Gasoline Engine Operator’s Manual » CHECK BEFORE OPERATION IS YOUR ENGINE READY TO GO? Look for signs of damage. Check that all shields and covers are in place, and all nuts, bolts, equipment, it is very important to take a few moments before you and screws are tightened.

  • Page 8: Maintenance

    STOPPING THE ENGINE If the engine is controlled by brake lever, only turn the brake lever to “CLOSE” position for stopping engine BRAKE LEVER CLOSE OPEN Don’t allow the starter grip to NOTE Sudden stopping at high CAUTION snap back against the engine. speed under heavy load is Return it gently to prevent damage to the starter.
  • Page 9 Gasoline Engine Operator’s Manual » MAINTENANCE SCHEDULE Thereafter, Every 6 First Every year every 3 months or Frequency Every month or or 100 hrs months time 10 hrs of or 30hrs of hrs of operation operation operation operation ITEM Check- Engine oil Change Check...
  • Page 10 ENGINE OIL LEVEL CHECK FUEL UPPER LEVEL Check the engine oil level with the engine stopped and in a level position. FUEL UPPER MARK OIL DIPSTICK LOWER MARK FUEL TANK Refuel in a well-ventilated area before starting the engine. If the engine has been running, allow it to cool.
  • Page 11 Gasoline Engine Operator’s Manual » The Oil Alert system (applicable engine types) will Air Cleaner automatically stop the engine before the oil level falls below Remove the air cleaner the safe limit. housing. AIRFILTER However, to avoid the inconvenience of an unexpected COVER Remove foam element shutdown, fill to the upper limit, and check the oil level...

  • Page 12: Storage/Transporting

    Visually check the spark plug. Clean with a steel brush. If the SPARK PLUG SERVICE insulator is damaged, replace the spark plug instead. Measure the spark plug clearance with a feeler. The 0.7-0.8mm clearance should be 0.7~0.8mm. If adjustment is necessary, bend the side electrode carefully.
  • Page 13 Gasoline Engine Operator’s Manual » With the engine and exhaust system cool, cover the engine to T h e l e n g t h o f t i m e t h a t WARNING keep out dust. A hot engine and exhaust system can ignite or gasoline can be left in your melt some materials.

  • Page 14: Troubleshooting

    TROUBLESHOOTING TROUBLE CAUSE REMEDY Fuel supply is not smooth or no fuel supply 1. There is no enough fuel in fuel tank and 2. Dredge air vent. fuel cock is closed. 4. Readjust or clean, blow to get 3. Fuel cock is clogged through 5.
  • Page 15 Gasoline Engine Operator’s Manual » TROUBLE CAUSE REMEDY Fuel supply system 1. Air in fuel line or fuel line clogged 1. Exhaust air or dredge fuel line 2. Readjust 3. In carburetor, needle valve hole and main 3. Clean and biow to get through 4.
  • Page 16 Stop Suddenly When Running TROUBLE CAUSE REMEDY Fuel supply system 2. Check fuel line and dredge 2. Carburetor is clogged 3. Repair 3. Float chamber is leaking 4. Dismantle foat chamber and eliminate it 4. Needle valye is sticked Ignition system 1.

  • Page 17: Technical & Consumer Information

    Gasoline Engine Operator’s Manual » Abnommal Noise Exist When Engine Running TROUBLE CAUSE REMEDY 1. Piston, piston ring or cylinder is worn 1. Replace the worn part 2. Connection rod or piston pin and piston pin 2. Replace the worn part hole are worn Beating sound 3.
  • Page 18 PROBLEMS THAT MAY AFFECT EMISSIONS MAINTENANCE If you are aware of any of the following symptoms, have your Follow the maintenance schedule. Remember that this schedule engine inspected and repaired by your servicing dealer. is based on the assumption that your machine will be used for its designed purpose.

  • Page 19: Wiring Diagram

    Gasoline Engine Operator’s Manual » WIRING DIAGRAMS BLACK EASY WORN PARIS AND ACCESSORES LIS Easy wom parts list Accessories list Cylinder head cover gasket Socket Cylinder head gasket Force bar Spark plug Oil sealing Breath groove gasket Recoil starter Carburetor gasket Carburetor insulation gasket Insulation plate gasket Exhaust vent gasket...
  • Page 20 HIGH ALTITUDE KIT REPLACEMENT FOR EPAIII ENGINES At high altitude, the standard carburetor air-fuel mixture will ensured by installing an altitude kit when required. See the be too rich. Performance will decrease and fuel consumption table below to determine when an altitude kit is required. will increase.
  • Page 21 Gasoline Engine Operator’s Manual » CALIFORNIA AND FEDERAL EXHAUST AND EVAPORATIVE EMISSIONS CONTROL WARRANTY STATEMENT The California Air Resources Board, the United States As the small off-road engine/equipment owner, you should Environmental Protection Agency and Chongqing Rato however be aware that Rato may deny you warranty cover- Technology Co., Ltd.
  • Page 22 remaining warranty period. warrant failures of warranted parts caused by the use of a non-exempted add-on or modified part. (2) Any warranted part that is scheduled only for regular (11) Rato issuing the warranty shall provide any documents inspection in the written instructions must be warranted that describe that warranty procedures or policies within for the warranty period defined in Subsection (b)(2).
  • Page 23 Gasoline Engine Operator’s Manual » (11) Control Cables* (12) Control Linkages* (13) Purge Valves* (14) Gaskets* (15) Liquid/Vapor Separator (16) Carbon Canister (17) Canister Mounting Brackets (18) Carburetor Purge Port Connector *Note: As they relate to the evaporative emission control system.
  • Page 24 Tame the Great Outdoors ® 847-327-0566 or 844-YARDMAX | info@yardmax.com...

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