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Summary of Contents for DR RV170
- Page 1 ® VERTICAL SHAFT ENGINE SAFETY & OPERATING INSTRUCTIONS Models: RV170 DR Power Equipment Toll-free phone: 1-800-DR-OWNER (376-9637) Website: www.DRpower.com Read and understand this manual and all instructions before operating the DR VERTICAL SHAFT ENGINE.
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Page 2: Table Of Contents
Additional Information and Potential Changes DR Power Equipment reserves the right to discontinue, change, and improve its products at any time without notice or obligation to the purchaser. The descriptions and specifications contained in this manual were in effect at printing. -
Page 3: Chapter 1: General Safety Rules
Chapter 1: General Safety Rules Read this safety & operating Instructions manual before you use the DR VERTICAL SHAFT ENGINE. Become familiar with the operation and service recommendations to ensure the best performance from your Engine. If you have any questions or need assistance, please contact us at www.DRpower.com or call toll-free 1-800-DR-OWNER (376-9637) and one of our Technical... - Page 4 • Allow the Engine to cool completely before storing the DR VERTICAL SHAFT ENGINE in any enclosure. Never store the machine with gas in the tank or a fuel container near an open flame or spark, such as a water heater.
- Page 5 Additional Information and Potential Changes DR Power Equipment reserves the right to discontinue, change, and improve its products at any time without notice or obligation to the purchaser. The descriptions and specifications contained in this manual were in effect at printing.
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Page 6: Chapter 2: Setting Up The Dr Vertical Shaft Engine
Chapter 2: Setting Up The DR VERTICAL SHAFT ENGINE It may be helpful to familiarize yourself with the controls and features of your DR VERTICAL SHAFT ENGINE as shown in Figure 1 before beginning these procedures. If you have any questions at all, please feel free to contact us at www.DRpower.com. - Page 7 Engine Oil Engine Oil is a key factor in deciding the Engine’s performance. Do not use Engine Oils with additives or 2-stroke Engine Oil because they will not provide enough lubrication and may shorten the Engines service life. • The engine must be level before checking the oil to get an accurate reading on the dipstick Engine Oil capacity: 0.6L / 20 oz.
- Page 8 1) Remove the Air Cleaner Cover (Figure 5). Air Filter Cover 2) Remove the Air Filter (foam element or paper element). 3) Check and clean Air Cleaner parts. 4) Replace any damaged Air Cleaner parts. 5) Reinstall the Air Filter and Cover. Air Filter •...
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Page 9: Chapter 3: Operating The Dr Vertical Shaft Engine
Starting the Engine Off/On Switch Choke Lever Note: For ease of operation and starting, the DR VERTICAL SHAFT ENGINE is equipped with a fixed speed Throttle Control. RV170 M/S With Off/On Switch 1) Press the Engine Off/On switch to the “ON” position (Figure 7). -
Page 10: Chapter 4: Maintaining The Exhaust Control System
If using under heavy load, dusty or wet circumstances or in high temperature, service of the Engine should be done more often. Replacing Parts To ensure the best quality and reliability, use only new genuine DR Power Equipment parts or their equivalents for repair and replacement. Tampering and Altering Tampering with or altering the emission control system may increase emissions beyond the legal limit. -
Page 11: Chapter 5: General Maintenance
Chapter 5: General Maintenance Maintenance Schedule for Vertical Engine Proper maintenance is essential for safe, economical, and trouble-free operation. It also helps reduce air pollution. In order to keep your gasoline Engine in good working condition, it must be periodically serviced. The following maintenance schedule and routine inspection procedures must be carefully followed. - Page 12 Maintenance of Air Cleaner A dirty or damaged air cleaner will allow dust to enter into the Engine causing rapid Engine wear. Service the air cleaner as recommended by the manufacturer. Never clean the air cleaner element with gasoline or low flash-point detergents, or explosion may happen. If you use compressed air to clean the paper element, wear ear and eye protection to prevent injury.
- Page 13 See the table below to determine when an altitude kit is required. Operating this Engine without the proper altitude kit installed may increase the Engine’s emissions and decrease fuel economy and performance. Kits may be obtained from DR Power Equipment and should be installed by a qualified individual. Fuel...
- Page 14 ® VERTICAL SHAFT ENGINE...
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Page 15: Chapter 6: Transport And Storage
Chapter 6: Transport And Storage Transport To avoid fuel spills during transporting, keep the Engine level. Spilled fuel or fuel vapor may ignite to cause fire. Storage If the Engine will not be used for a long time, storage should be as follows: 1) The storage area should be dry and free of dust. -
Page 16: Chapter 7: Troubleshooting
Chapter 7: Troubleshooting Engine is difficult to start TROUBLE CAUSE REMEDY There is not enough fuel in fuel tank Fill fuel, open fuel cock. and fuel cock is closed. Air vent in the fuel filler cap is clogged Dredge air vent. Fuel cock is clogged Clean first and then dredge Improper or clogged main Oil flow hole. - Page 17 Gasoline Engine Power Output Insufficiency TROUBLE CAUSE REMEDY Air in fuel line or fuel line clogged Exhaust air or dredge fuel line Main Oil flow hole is not adjusted Readjust properly In carburetor, needle valve hole and Clean and blow to get through main Oil flow hole clogged.
- Page 18 Stop Suddenly when Running TROUBLE CAUSE REMEDY Fuel is empty Refill fuel Carburetor is clogged Check fuel line and clean Fuel supply Float chamber is leaking Repair system Needle valve is stuck. Dismantle float chamber and free up valve Spark Plug is damaged, or short-circuited by Replace Spark Plug Engine stops carbon deposit...
- Page 19 Service Spark Plug clearance (Gap) 0.7-0.8mm See maintenance section Carburetor idle speed 1900±300r/min See maintenance section Valve clearance (cold Engine) Intake: 0.15 ± 0.02mm Serviced by DR Power Equipment or authorized Exhaust: 0.20 ± 0.02mm dealer CONTACT US AT www.DRpower.com...
- Page 20 Notes: Important Bolt Torque Specs Torque Value Items Specifications N·m kg·m Connection-rod bolt M7 x 1.25 Cylinder head bolt M8 × 1.5 Flywheel nut M14 × 1.5 Crankcase cover bolt M8 x 1.5 Valve clearance adjusting nut M6 x 0.5 Valve Rocker Bolt M8 x 1.25 ®...
- Page 21 California and Federal Exhaust and Evaporative Emissions Control Warranty Statement Your Warranty Rights and Obligations The California Air Resources Board, the United States Environmental Protection Agency and Chongqing Rato Technology Co., Ltd. (Rato), are pleased to explain the exhaust and evaporative emissions ("emissions") control system warranty on your 2022 small off-road Engine/equipment.
- Page 22 period. (3) Any warranted part that is scheduled for replacement as required maintenance in the written instructions must be warranted for the period of time prior to the first scheduled replacement point for that part. If the part fails prior to the first scheduled replacement, the part must be repaired or replaced by Rato according to Subsection (4) below.
- Page 23 (8) Miscellaneous Items Used in Above Systems (i) Electronic controls. (ii) Vacuum, temperature, and time sensitive valves and switches. (iii) Hoses, belts, connectors, and assemblies. (e) Emission Warranty Parts List for Evap Fuel Tank Fuel Cap Fuel Lines (for liquid fuel and fuel vapors) Fuel Line Fittings Clamps* Pressure Relief Valves*...
- Page 24 8 0 0 H I N E S B U R G R O A D , S O U T H B U R L I N G T O N , V E R M O N T 0 5 4 0 3 ©2022 DR Power Equipment. All rights reserved...
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