EarthQuake 600050VCE User Manual
Operator's Manual
GAS/OIL
RATIO
50:1
Original Operating Instructions
Viper® 173cc
4-Cycle Engine
Get parts online at
www.ardisam.com
Product #: 186000
P/N: 14506
ECN: 10158
REV2: 08/27/13
© 2014 Ardisam, Inc.
All Rights Reserved
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.
CONTENTS
Introduction ....................................................................................................................................................................................................................................... 2
Warnings and Safety Precautions ...........................................................................................................................................................................................3-6
Specications ..................................................................................................................................................................................................................................... 6
Features ...............................................................................................................................................................................................................................................7
Operation ......................................................................................................................................................................................................................................8-10
Maintenance and Storage .................................................................................................................................................................................................... 11-14
Troubleshooting and Repair .......................................................................................................................................................................................................15
Parts Breakdown ...................................................................................................................................................................................................................... 16-17
High Altitude Operation ..............................................................................................................................................................................................................18
Warranty ..................................................................................................................................................................................................................................... 19-21
FEDERAL EMISSION INFORMATION
Viper® warrants to the retail purchaser, that this small, o-road engine was designed, built and equipped to conform at the time of
initial sale to all applicable regulations of the U.S. Environmental Protection Agency (EPA).
REGISTRATION AND SERVICE
Record the engine model number and serial number in the space provided for
easy reference when ordering parts or requesting technical support. Excluding
emissions-related warranty items, the warranty is valid only if the completed
registration is received by Ardisam within 30 days of purchase. (SEE WARRANTY
SECTION FOR MORE INFORMATION.) Warranty for your Viper® Engine is carried out by registering the product which your Viper® Engine powers. You can
register your warranty online by visiting www.getearthquake.com, or by mailing
it to: Ardisam, 1160 Eighth Avenue, Cumberland, WI 54829. If you do not have
a computer, call our customer service department at (800) 345-6007 Mondays
through Fridays from 8 a.m. to 5 p.m. CST.
OWNERSHIP RECORDS
Owner’s Name:
Owner’s Address:
City: State/Province: Zip Code/Postal Code:
Model Number: Serial Number:
Date of Purchase:
Notes:
model and serial
number location
This manual may contain information for several models. Read and keep this manual for future reference. This manual contains
important information on SAFETY, ASSEMBLY, OPERATION, AND MAINTENANCE. The owner must be certain that all the product
information is included with the unit. This information includes the MANUAL, the REPLACEMENT PARTS and the WARRANTIES.
This information must be included to make sure state laws and other laws are followed. This manual should remain with the
engine even if it is resold.
2
Check for parts online at www.ardisam.com or call 800-345-6007 M-F 8-5
Operator’s Manual
Viper® 173cc 4-Cycle Engine
WARNINGS AND SAFETY PRECAUTIONS
OPERATOR’S RESPONSIBILITY
Accurate, safe and eective use of this engine is the operator’s
responsibility.
• Readandfollowallsafetyinstructions.
• Maintaintheengineaccordingtodirectionsandschedule
included in this Viper® operator’s manual.
• Ensurethatanyonewhousestheengineisfamiliarwithand
understands all controls and safety precautions.
SAFETY MESSAGES
Your manual contains special messages to bring attention to
potential safety concerns, engine damage as well as helpful operating and servicing information. Please read all the information carefully to avoid injury and engine damage.
NOTE: General information is given throughout the manual
that may help the operator in the operation or service of the
engine.
This symbol points out important safety instructions which if not followed could endanger your
personal safety.
WARNING
WARNING INDICATES A HAZARD WHICH, IF NOT
AVOIDED, COULD RESULT IN DEATH OR SERIOUS IN
JURY AND/OR PROPERTY DAMAGE.
CAUTION
CAUTION INDICATES YOU CAN BE HURT OR YOUR
EQUIPMENT DAMAGED IF THE SAFETY INSTRUC
TIONS THAT FOLLOW THIS SIGNAL WORD ARE NOT
OBEYED.
IMPORTANT
INDICATES HELPFUL INFORMATION FOR PROPER AS
SEMBLY, OPERATION, OR MAINTENANCE OF YOUR
EQUIPMENT.
WARNING
CALIFORNIA PROPOSITION 65 WARNING
BEFORE OPERATING ENGINE:
WARNING
READ ENTIRE OPERATING AND MAINTENANCE
INSTRUCTIONS FOR THIS PRODUCT AND THE
INSTRUCTIONS FOR THE EQUIPMENT THIS ENGINE
POWERS. FAILURE TO FOLLOW INSTRUCTIONS COULD
RESULT IN SERIOUS INJURY OR DEATH. OPERATE THE
ENGINE ACCORDING TO THE SAFETY INSTRUCTIONS
OUTLINED HERE AND INSERTED THROUGHOUT THE
TEXT. ANYONE WHO USES THIS ENGINE MUST READ
THE INSTRUCTIONS AND BE FAMILIAR WITH THE
CONTROLS.
ENGINE EXHAUST FROM THIS PRODUCT CONTAINS
CHEMICALS KNOWN TO THE STATE OF CALIFORNIA
TO CAUSE CANCER, BIRTH DEFECTS, OR OTHER RE
PRODUCTIVE HARM.
WARNING
CERTAIN COMPONENTS IN THIS PRODUCT AND
ITS RELATED ACCESSORIES CONTAIN CHEMICALS
KNOWN TO THE STATE OF CALIFORNIA TO CAUSE
CANCER, BIRTH DEFECTS, OR OTHER REPRODUCTIVE
HARM. WASH HANDS AFTER HANDLING.
WARNING
FAILURE TO COMPLY WITH ALL SAFETY AND OPERAT
ING INSTRUCTIONS CAN RESULT IN LOSS OF ENGINE
CONTROL, SERIOUS PERSONAL INJURY TO YOU AND/
OR BYSTANDERS, AND RISK OF EQUIPMENT AND
PROPERTY DAMAGE.
Check for parts online at www.ardisam.com or call 800-345-6007 M-F 8-5
3
ENGINE SAFETY PRECAUTIONS
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. (Examples include: in a large hole or areas where hills
surround your working area.)
• Never run engine in an enclosed or partially enclosed area.
(Examples include: buildings that are enclosed on one or
more sides, under tents, car ports or basements.)
• Always run the engine with the exhaust and muer pointed
in the direction away from the operator.
• Never point the exhaust muer towards anyone. People
should always be many feet away from the operation of the
engine and its attachments.
• Do not change the engine governor settings or over-speed
the engine.
• Stay away from rotating parts. Place protective covers over
rotating parts.
• Do not use engine around dry brush, cloth rags, or other
ammable materials.
• Always keep materials and debris clear of muer guard
and other hot engine parts.
• Never operate the engine without the muer guard in
place.
• Always make sure exhaust pipe is free of foreign objects.
• The engine exhaust becomes very hot during operation.
Keep engine at least three feet away from buildings and
other equipment during operation.
• Wear appropriate clothing such as a long-sleeved shirt or
jacket. Also wear long trousers or slacks. Do not wear shorts.
Never wear sandals, sneakers, or open shoes, and never
operate the machine with bare feet.
• Do not wear loose clothing or jewelry. They can get caught
in moving parts. Always keep hands, feet, hair and loose
clothing away from any moving parts on engine and
machine.
Gasoline Fires and Handling Fuel Safely
Use extra care in handling gasoline and other fuels. They are
ammable and vapors are explosive.
• When storing extra fuel be sure that it is in an appropriate
container and away from any re hazards.
Operator's Manual
Viper® 173cc 4-Cycle Engine
WARNING
ENGINES GIVE OFF CARBON MONOXIDE, AN ODOR
LESS, COLORLESS, POISONOUS GAS. CARBON MON
OXIDE MAY BE PRESENT EVEN IF YOU DO NOT SMELL
OR SEE ANY ENGINE EXHAUST. BREATHING CAR
BON MONOXIDE CAN CAUSE NAUSEA, FAINTING OR
DEATH, IN ADDITION TO DROWSINESS, DIZZINESS
AND CONFUSION.
IF YOU EXPERIENCE ANY OF THESE SYMPTOMS, SEEK
FRESH AIR AND MEDICAL ATTENTION IMMEDIATELY.
START AND RUN ENGINE OUTDOORS. DO NOT START
OR RUN ENGINE IN ENCLOSED AREA, EVEN IF DOORS
OR WINDOWS ARE OPEN.
CAUTION
HOT GASES ARE A NORMAL BYPRODUCT OF A FUNC
TIONING MUFFLER. FOLLOW ALL SAFETY INSTRUC
TIONS TO PREVENT BURNS AND FIRES.
DO NOT ALTER/MODIFY ENGINE:
NEVER ALTER OR MODIFY THE ENGINE FROM THE
FACTORY. SERIOUS INJURY OR DEATH MAY OCCUR IF
ENGINE IS MODIFIED OR ALTERED.
WHEN WORKING ON OR REPLACING PARTS FOR THE
ENGINE OR PRODUCT, YOU MUST ALWAYS DISCON
NECT SPARK PLUG WIRE FROM THE SPARK PLUG AND
KEEP IT AWAY FROM THE SPARK PLUG.
• Prevent re and explosion caused by static electric discharge.
Use only nonmetal, portable fuel containers approved by the
Underwriter’s Laboratory (U.L.) or the American Society for
Testing & Materials (ASTM).
• Always ll fuel tank outside in a well ventilated area. Never
fill your fuel tank with fuel indoors. (Examples include:
basement, garage, barn, shed, house, porch, etc.) Never
ll tank near appliances with pilot lights, heaters, or other
ignition sources. If the fuel has to be drained, this should
be done outdoors. The drained fuel should be stored in a
container specically designed for fuel storage or it should
be disposed of carefully.
• Never remove the fuel cap or add fuel with the engine
running. Stop engine and allow to cool before removing the
fuel cap/and or relling the engine.
• Never drain fuel from engine in an enclosed area.
• Always wipe up excess (spilled) fuel from engine before
starting. Clean up spilled fuel immediately. If fuel is spilled,
do not start the engine but move product and fuel container
4
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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 relling fuel tank or while operating the
engine.
• Do not store engine with fuel in fuel tank indoors. Fuel and
fuel vapors are highly explosive.
• Never pour fuel from engine fuel tank.
• Never siphon fuel by mouth to drain fuel tank.
• Always have an adult fill the fuel tank and never allow
children to ll the engine.
• Never allow an adult or anyone under the inuence of drugs
or alcohol to ll engine.
• When storing gasoline or equipment with fuel in the tank,
store away from furnaces, stoves, water heaters or other
appliances that have a pilot light or other ignition source
because they can ignite gasoline vapors.
BURNS AND FIRES
The muer, muer guard and other parts of the engine become extremely hot during the operation of the engine. These
parts remain extremely hot after the engine has stopped.
Prevention of Burns and Fires
• Neverremovethemuerguardfromtheengine.
• Nevertouchthe muer guardbecauseit is extremelyhot
and will cause severe burns.
• Nevertouch parts of the engine thatbecomehotafter
operation.
• Alwayskeepmaterialsanddebrisawayfrommuerguard
and other hot parts of the engine to avoid res.
SERVICE
• Always stop the engine whenever you leave the equipment,
before cleaning, repairing or inspecting the unit. Engine
should be turned o and cool, spark plug wire must be
removed from spark plug before any repairs or adjustments
are attempted. Never make adjustments or repairs with the
engine (motor) running. Disconnect the spark plug wire,
and keep the wire away from the plug to prevent accidental
starting. Remove the ignition key if equipped with an electric
start.
• Always wear eye protection when you make adjustments or
repairs.
• Keep all nuts and bolts tight and keep equipment in good
condition.
• Never tamper with safety devices. Check their proper
operation regularly.
• When servicing or repairing the engine, do not tip the
engine over or up unless specically instructed to do so in
this manual. Service and repair procedures can be done with
the engine in an upright position. Some procedures will be
easier if the engine is lifted on a raised platform or working
surface.
• To reduce re hazard, keep engine free of grass, leaves, or
other debris build-up. Clean up oil or fuel spillage. Allow
engine to cool before storing.
• Stop and inspect the equipment if you strike an object.
Repair, if necessary, before restarting.
• Clean and replace safety and instruction decals as necessary.
• To guard against engine over-heating, always keep recoil
housing clean.
• Inspect engine before storage. When not in use, disconnect
spark plug lead and store indoors in a dry place locked or
otherwise inaccessible to children.
• Use only original equipment parts from Viper®, including all
nuts and bolts.
Check for parts online at www.ardisam.com or call 800-345-6007 M-F 8-5
5
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.
Safety or Hazard Symbols
Fire hazards
Wear eye protection
Shock hazard
Hot surfaces
Toxic fumes
Moving parts
Hot! Do not touch!
Read manual
Operational Control Symbols
Slow
Fast
Fuel
Oil
before operation
SPECIFICATIONS
Displacement / Cycle 173cc / 4-Cycle
Ignition Type Electronic ignition
Cooling System Forced air cooling
Idling Carburetor Adjust 1900 +/- 100 RPM
Valve Clearance Cold engine-Intake: 0.15 +/- 0.02 mm;
Maximum Torque 9.0Nm@2500 RPM (6.64 ft. lbs.)
Bore and Stroke 70 mm x 45 mm
Spark Plug Type / Gap DK7RTC / ~.030” (0.7-0.8 mm gap)
Fuel Type Minimum 87 octane gasoline with NO ethanol content
Fuel Tank Capacity Approximately .3 gallons (1.1 L)
Drive Shaft Type 22.2mm, 55mm from end of shaft to mounting surface, 4mm x 26mm full key,
Start Type Recoil
Speed 3600 RPM
Oil Capacity and Type 0.63 quart (0.6 liters); SAE 30 (in freezing weather use 5W30)
Weight 31 lb, dry (14.1 kg, dry)
Overall Dimensions 396 mm x 355 mm x 339 mm
Exhaust: 0.20 +/- 0.02 mm
NOTE: If using an ethanol blended fuel, a fuel stabilizer, mixed to
manufacturer specications, is recommended
drilled and tapped 3/8-24 UNF-23 mm min., full thread
Choke
On/O
Fuel Shuto
6
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FEATURES
ENGINE COMPONENTS
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.
Operator’s Manual
Viper® 173cc 4-Cycle Engine
WARNING
DO NOT REFUEL WHILE SMOKING, NEAR OPEN FLAME,
OR OTHER POTENTIAL HAZARDS.
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.
oil ll
fuel cap
IMPORTANT
ENGINE IS SHIPPED FROM FACTORY WITHOUT OIL.
YOU MUST ADD ENGINE OIL BEFORE STARTING EN
GINE. IF ENGINE IS STARTED WITHOUT OIL, ENGINE
MAY BE DAMAGED BEYOND REPAIR AND WILL NOT BE
COVERED BY WARRANTY.
start handle
muer
spark plug
primer bulb
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throttle
linkage
air cleaner
7
Operator's Manual
OIL TYPE: SAE 5W-30
OIL TYPE: SAE 10W-30
OIL TYPE: SAE 30
TEMP (F) -20 0 20 40 60 80 100
TEMP (C) -30 -20 -10 0 10 20 30
Viper® 173cc 4-Cycle Engine
OPERATION
PREOPERATION 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. Check that all guards and shields are in place, and all screws,
nuts and bolts are tightened.
7. Eliminate excessive debris around muer and recoil starter.
8. Be sure air lter and cylinder ns are clean and free of debris.
9. Check the equipment powered by this engine. Review the
operator’s manual provided with the equipment powered
by this engine for any safety and warning precautions and/
or procedures that should be followed before starting this
engine.
Choosing Oil Type
WARNING
IMPROPERLY MAINTAINING THIS ENGINE, OR FAIL
URE TO CORRECT A PROBLEM BEFORE OPERATION,
CAN CAUSE A MALFUNCTION WHICH MAY RESULT
IN SERIOUS INJURY OR DEATH. ALWAYS PERFORM A
PREOPERATION INSPECTION BEFORE EACH OPERA
TION AND CORRECT ANY PROBLEM.
WARNING
DO NOT ATTEMPT TO START ENGINE IN THE FOLLOW
ING WAYS:
• DONOTUSESTARTINGFLUID.
• DONOTSPRAYFLAMMABLELIQUIDS ORVAPORS
INTO AIR CLEANER, CARBURETOR OR SPARK PLUG
CHAMBER.
• DO NOT REMOVE SPARK PLUG AND PULL ON
STARTER ROPE. FLAMMABLE FUEL CAN SPRAY OUT
AND IGNITE FROM A SPARK FROM SPARK PLUG.
DO NOT REFUEL WHILE SMOKING, NEAR OPEN FLAME,
OR OTHER POTENTIAL HAZARDS.
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 TANK.
8
CAUTION
FOR THE SAFETY OF THE USER, AND TO MAXIMIZE
THE LIFE OF THE ENGINE, IT IS CRUCIAL TO TAKE TIME
TO CHECK THE CONDITION OF THE ENGINE. PROB
LEMS MUST BE CORRECTED BEFORE OPERATING.
AVOID INJURY! ENGINE OIL IS HAZARDOUS TO YOUR
HEALTH. DISPOSE OF OIL APPROPRIATELY. USE A
SAFE DISPOSAL/RECYCLING CENTER.
CAUTION
ENGINE IS SHIPPED FROM FACTORY WITHOUT OIL.
YOU MUST ADD ENGINE OIL BEFORE STARTING EN
GINE.
Check for parts online at www.ardisam.com or call 800-345-6007 M-F 8-5
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