Operator's Manual Original Operating Instructions Viper® 173cc 4-Cycle Engine Product #: 186000 For more infomation, email info@ardisam.com GAS/OIL RATIO 50:1 P/N: 14506 ECN: 10842 REV4: 06/22/15 © 2015 Ardisam, Inc.
Operator's Manual Viper® 173cc 4-Cycle Engine INTRODUCTION Congratulations on your investment in quality. Thank you for purchasing a Viper® Engine. We have worked to ensure that your engine meets the highest standards for usability and durability. With proper care, your engine will provide many years of service. Please read this entire manual before installation and use. Viper® reserves the right to change, alter or improve the product and this document at any time without prior notice.
Operator’s Manual Viper® 173cc 4-Cycle Engine WARNINGS AND SAFETY PRECAUTIONS OPERATOR’S RESPONSIBILITY Accurate, safe and effective use of this engine is the operator’s responsibility. • Read and follow all safety instructions. • Carefully follow all assembly instructions. • Maintain the engine according to directions and schedule included in this Viper® operator’s manual. • Ensure that anyone who uses the engine is familiar with and understands all controls and safety precautions.
Operator's Manual Viper® 173cc 4-Cycle Engine ENGINE SAFETY PRECAUTIONS WARNING Preventing Carbon Monoxide Poisoning • Never try to ventilate engine exhaust indoors. Carbon monoxide can reach dangerous levels very quickly. • Never run engine outdoors where exhaust fumes may be pulled into a building. • Never run engine outdoors in a poorly ventilated area where the exhaust fumes may be trapped and not easily taken away.
Operator’s Manual Viper® 173cc 4-Cycle Engine • • • • • • • • • • from area. Clean up spilled fuel and allow to evaporate and dry after wiping and before starting. Allow fuel fumes/vapors to escape from the area before starting engine. Test the fuel cap for proper installation before starting and using engine. Always run the engine with fuel cap properly installed on the engine. Never smoke while refilling fuel tank or while operating the engine. Do not store engine with fuel in fuel tank indoors.
Operator's Manual Viper® 173cc 4-Cycle Engine SAFETY SYMBOLS The following symbols may be used on your engine to alert you to potential hazards or to give you guidance in operating your engine. Look over them and understand their meanings before operating your engine. HAZARD SYMBOLS AND MEANINGS CONTROL AND OPERATING SYMBOLS Pictured below are control and operating symbols on the unit or in this manual. Before you operate your unit, learn and understand the purpose for each symbol.
Operator’s Manual Viper® 173cc 4-Cycle Engine FEATURES WARNING ENGINE COMPONENTS DO NOT REFUEL WHILE SMOKING, NEAR OPEN FLAME, OR OTHER POTENTIAL HAZARDS. MODEL 186000 173CC VERTICAL SHAFT This is a 4-cycle air cooled engine. The 173cc engine utilizes a vertical shaft and an oil slinger lubricated system. fuel cap FUEL IS HIGHLY FLAMMABLE AND MUST BE HANDLED WITH CARE. NEVER FILL THE TANK WHEN THE ENGINE IS HOT OR RUNNING. ALWAYS MOVE OUTDOORS TO FILL THE TANK.
Operator's Manual Viper® 173cc 4-Cycle Engine OPERATION WARNING PRE-OPERATION INSPECTION 1. Check that the engine is equipped with the proper amount and type of oil. To determine the most appropriate type of oil to use, see the chart below. 2. Check that the engine has appropriate amount of fuel. 3. Examine underneath and around engine for signs of oil or fuel leaks. 4. Inspect fuel hoses and connections for tightness and fuel seepage. 5. Look for signs of engine damage. 6.
Operator’s Manual Viper® 173cc 4-Cycle Engine CHECKING AND ADDING OIL Be sure the engine is located on a level surface before checking or refilling oil. Clean around oil fill area. SEE FIGURE 1 Slide out dipstick and wipe clean with cloth. SEE FIGURE 1 Reinsert and tighten dipstick. Slide out dipstick and check oil. If oil level is below the marking on the oil dipstick, refill to upper level. SEE FIGURE 1 6. Change oil if contaminated. 1. 2. 3. 4. 5.
Operator's Manual Viper® 173cc 4-Cycle Engine CAUTION WARNING OPERATING ENGINE ON ANGLES GREATER THAN 25 DEGREES WILL CAUSE THE ENGINE TO LOSE LUBRICATION AND SEIZE. CARBON MONOXIDE GAS IS TOXIC. INHALATION CAN CAUSE UNCONSCIOUSNESS AND DEATH. NEVER LEAVE ENGINE RUNNING WHILE UNATTENDED. STARTING AND STOPPING ENGINE Review “Warnings and Safety Precautions” and “Pre-Operation Inspection” sections before starting engine. Manual-Start Engine 1.
Operator’s Manual Viper® 173cc 4-Cycle Engine MAINTENANCE AND STORAGE Please read the maintenance schedule, found in the accompanying combined exhaust and evaporative emissions control warranty statement, and observe these recommended care operating intervals to extend the life of your engine. Good maintenance is essential for safe, economical, and trouble-free operation. It will also help reduce air pollution.
Operator's Manual Viper® 173cc 4-Cycle Engine ENGINE MAINTENANCE For daily maintenance checks, review “pre-operation inspection” section. Lubrication Choose 4-cycle engine oil that meets or surpasses the latest API service classification. Synthetic oils may be substituted for petroleum-based oils in extreme temperatures. For temperatures higher than 32º F, use SAE 30 or SAE 10W-30 motor oil. Use SAE 5W-30 if temperatures are below 32º F. DO NOT USE SAE 10W40 MOTOR OIL.
Operator’s Manual Viper® 173cc 4-Cycle Engine AIR FILTER Refer to maintenance schedule for suggestions on when to service your air filter. Washing filter is not recommended. When dirty, replace filter (Viper P/N 10905). Removing/Installing Air Filter (SEE FIGURE 7). 1. Remove air cleaner cover. 2. Remove the air filter. 3. Replace with new air filter. 4. Replace air filter cover. ! CAUTION NEVER RUN ENGINE WITHOUT AIR FILTER PROPERLY INSTALLED.
Operator's Manual Viper® 173cc 4-Cycle Engine CARBURETOR • Never tamper with factory setting of the carburetor. • Contact your service provider or Ardisam if adjustment is needed. FUEL FILTER Cleaning Or Replacing Fuel Filter 1. Disconnect spark plug wire from spark plug. Remove spark plug. 2. Drain fuel from tank before attempting to clean/replace filter. 3. Remove hose clamp closest to gas tank. 4. Pull filter out from end of hose. 5. Filter may be washed with kerosene or similar solvent. 6.
Operator’s Manual Viper® 173cc 4-Cycle Engine TROUBLESHOOTING AND REPAIR At Ardisam we build quality and durability into the design of our products; but no amount of careful design by us, and careful maintenance by you, can guarantee a repair-free life for your Viper® Engine. Most repairs will be minor, and easily fixed by following the suggestions in the troubleshooting guide in this section. This section will help you pinpoint the causes of common problems and identify remedies.
Operator's Manual Viper® 173cc 4-Cycle Engine PARTS BREAKDOWN 173cc ENGINE MAIN PARTS EXPLOSION 25 19 13 13,27 13 6 5,10 5 5 12,22 12 12,22 24 3 3 18 15 3 6,18 12 26 18 6 3 3 18 6 11,12 6 16 2,4 3,10 2,4 23 1 1,10 10 2 10 10 17 2 2 2 2 2 2,4 2 10 10 7 20 10,20 2,10,12 16 2 2,4 1 11,12,21 11,12 18 14 6 3 11,12,21 7 2 2,7,10 7,8 7 9 For additional information, email info@ardisam.
Operator’s Manual Viper® 173cc 4-Cycle Engine 173CC ENGINE MAIN PARTS LIST REF NO. PART NO.
Operator’s Manual Viper® 173cc 4-Cycle Engine Warranty Terms and Conditions ARDISAM LIMITED 5 YEAR VIPER ENGINE WARRANTY FOR ENGINES GREATER THAN 79CC’S MANUFACTURED AFTER 10/1/2014 Ardisam, Inc. (Ardisam) warrants this engine under a five-year limited warranty to be free from defects in the material or workmanship or both for a period not exceeding sixty consecutive months from the date of original purchase by the first retail consumer or first commercial end user.
Operator's Manual Viper® 173cc 4-Cycle Engine NOTES 19 For additional information, email info@ardisam.
Viper® Engines, Division of Ardisam, Inc. 1160 8th Avenue, PO Box 666 Cumberland, WI 54829 800-345-6007 | Fax 715-822-2223 E-mail: info@ardisam.com All weights, specifications and features are approximate and are subject to change without notice. Due to continuous product improvements, product images may not be exact. Items used for props not included. Some assembly may be required. Check for parts online at www.ardisam.
