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Don’t allow the starter grip to 
snap back against the engine. 

Return it gently to prevent damage to the starter.

NOTE

Sudden stopping at high 
speed under heavy load is 

forbidden, otherwise damage will result.

CAUTION

Improperly maintaining this 
engine, or failure to correct a 

problem before operation, can cause a malfunction in 
which you can be seriously hurt or killed. 
Always follow the inspection and maintenance 
recommendations and schedules in this owner’s 
manual.

WARNING

MAINTENANCE

Good maintenance is essential for safe, economical, and trouble-
free operation. It will also help reduce air pollution.

Some of the most important safety precautions are as follows: 

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that can arise in performing maintenance. Only you can decide 
whether or not you should perform a given task.

Remember that your servicing dealer knows your engine best 
and is fully equipped to maintain and repair it.

To ensure the best quality and reliability, use only new, genuine 
parts or their equivalents for repair and replacement.

To help you properly care for your engine, the following pages 
include a maintenance schedule, routine inspection procedures, 
and simple maintenance procedures using basic hand tools. Other 

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best handled by professionals and are normally performed by a 

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The maintenance schedule applies to normal operating 
conditions. If you operate your engine under unusual conditions, 
such as sustained high-load or high-temperature operation, or 
use in unusually wet or dusty conditions, consult your servicing 
dealer for recommendations applicable to your individual needs 
and use.

THE IMPORTANCE OF MAINTENANCE

MAINTENANCE SAFETY PRECAUTIONS

Make sure the engine is off before you begin any 
maintenance or repairs. This will eliminate several potential 

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Carbon monoxide poisoning from engine exhaust.

Be sure there is adequate ventilation whenever you operate 
the engine. 

  

Burns from hot parts. 

Let the engine and exhaust system cool before touching. 

  

Injury from moving parts. 

Do not run the engine unless instructed to do so. 

Read the instructions before you begin, and make sure you 
have the tools and skills required. 

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not gasoline, to clean parts. Keep cigarettes, sparks and 

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2.

3.

1.

7

|

   Operation & 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

OPEN

CLOSE

Содержание RV 170-S

Страница 1: ...L NUMBER RV170 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 U...

Страница 2: ...oor 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 MAX Performanc...

Страница 3: ...ur unit ENVIRONMENTAL SUPPORT Have questions about your YARDMAX equipment Call us at 847 327 0566 or 844 YARDMAX email us at support yardmax com or contact us via your favorite social media site Recor...

Страница 4: ...Valve Clearance input valve 0 05 mm 0 10mm output valve 0 05 mm 0 10mm Spark plug clearance 0 7 mm 0 8mm Igniting Mode Capacitance discharge type Air cleaner Dimension Length mm 325 Dimension Width mm...

Страница 5: ...LI QHFHVVDU Periodically clean the element of the air cleaner change it when necessary The engine is air cooled so clean the radiator wind cover and fan in time in order to make the engine cool norma...

Страница 6: ...gas Never run the engine in a closed garage RU FRQ QHG DUHD OTHER EQUIPMENT Review the instructions provided with the equipment powered by this engine for any additional safety precautions that shoul...

Страница 7: ...will automatically stop the engine before the oil level falls below safe limits However to avoid the inconvenience of an unexpected shutdown always check the engine oil level before startup Check the...

Страница 8: ...and tools Other VHUYLFH WDVNV WKDW DUH PRUH GLI FXOW RU UHTXLUH VSHFLDO WRROV DUH best handled by professionals and are normally performed by a WHFKQLFLDQ RU RWKHU TXDOL HG PHFKDQLF The maintenance sc...

Страница 9: ...O OHYHO 5H OO WKH WDQN LI WKH IXHO OHYHO LV ORZ REFUELING Frequency Every time First month or 10 hrs of operation Thereafter every 3 months or 30hrs of operation Every 6 months or 50 hrs of operation...

Страница 10: ...system life Never use stale or contaminated gasoline or an oil gasoline mixture Avoid getting dirt or water in the fuel tank Occasionally you may hear a light spark knock or pinging metallic rapping...

Страница 11: ...R ELEMENT 1 AIRFILTER COVER AIR CLEANER ELEMENT 2 Never run the engine without an air cleaner or severe wear of the engine may be resulted in Clean the foam filter with soapy water blow the paper elem...

Страница 12: ...g time storage should be as following Using a garden hose or pressure washing equipment can force water into the air cleaner or muffler opening Water in the air cleaner will soak the air OWHU DQG ZDWH...

Страница 13: ...With the engine and exhaust system cool cover the engine to keep out dust A hot engine and exhaust system can ignite or melt some materials Do not use sheet plastic as a dust cover A nonporous cover w...

Страница 14: ...ch carbon deposit and dirt around electrodes 2 Electrodes are birni damaged seriously or insulators damaged 3 Improper electrodes gap 1 Clear away 2 Replace spark plug 3 Adjust to proper value High te...

Страница 15: ...ith cylinder head 3 Too big or too small valve clearance 4 Valve tightness is poor 1 Replace the worn 2 Replace the cylinder gasket 3 Readjust 4 Repair TROUBLE CAUSE REMEDY Knocking sound 1 Piston cyl...

Страница 16: ...ulate The other 1 Cylinder is seriously scored and valve dropped out 1 Repair or replace damaged parts TROUBLE CAUSE REMEDY Gasoline engine is overheat 2LO LQVXI FLHQW RU ZURQJ RLO UDWLR LQ WKH gasoli...

Страница 17: ...serial number when ordering parts and when making technical or warranty inquires Engine serial number The combustion process produces carbon monoxide oxides of nitrogen and hydrocarbons Control of hyd...

Страница 18: ...schedule Remember that this schedule is based on the assumption that your machine will be used for its designed purpose Sustained high load or high temperature operation or use in unusually wet or dus...

Страница 19: ...ng Breath groove gasket Recoil starter Carburetor gasket Carburetor insulation gasket Insulation plate gasket Exhaust vent gasket Accessories list Socket Force bar EASY WORN PARIS AND ACCESSORES LIS W...

Страница 20: ...sed at elevations above 3000 feet At elevations above 8000 feet the engine equipment may experience decreased performance even with the high altitude kit If a carburetor is replaced the proper high al...

Страница 21: ...d by the Air Resources Board and 2 Free from defects in materials and workmanship that causes the failure of a warranted part for a period of two years The warranty on emission related parts will be i...

Страница 22: ...anufacturer approved replacement parts that do not increase the exhaust or evaporative emissions of the engine or emissions control system must be used in the performance of any warranty maintenance o...

Страница 23: ...Mounting Brackets 18 Carburetor Purge Port Connector Note As they relate to the evaporative emission control system Rato will furnish with each new small off road engine equip ment written instructio...

Страница 24: ...847 327 0566 or 844 YARDMAX info yardmax com yardmax com Tame the Great Outdoors...

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