Viper 340cc 4-Cycle Engine Operator's Manual
Operator's Manual
GAS/OIL
RATIO
50:1
Original Operating Instructions
Viper® 340cc
4-Cycle Engine
Get parts online at
www.ardisam.com
P/N: 21203
ECN: 10638
REV1: 12/15/14
© 2014 Ardisam, Inc.
All Rights Reserved
Operator's Manual
MODEL/SERIAL NUMBER LOCATION
Viper® 340cc 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/Contents/Registration and Service/Ownership Records .................................................................................................................... 2
Warnings and Safety Precautions ....................................................................................................................................................................................... 3-6
Safety Symbols/Specications.................................................................................................................................................................................................6
Features ...........................................................................................................................................................................................................................................7
Operation ..................................................................................................................................................................................................................................8-10
Maintenance and Storage ................................................................................................................................................................................................ 11-14
Troubleshooting and Repair ...................................................................................................................................................................................................15
High Altitude Operation ..........................................................................................................................................................................................................16
Illustrated Parts Breakdown.............................................................................................................................................................................................17-18
Warranty ................................................................................................................................................................................................................................. 19-20
Notyes...................................................................................................................................................................................................................................... 21-23
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:
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
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Operator’s Manual
Viper® 340cc 4-Cycle Engine
WARNINGS AND SAFETY PRECAUTIONS
Owner’s Responsibility
Accurate assembly and safe and eective use of the rototiller is
the owner’s responsibility.
• Read and follow all safety instructions.
• Carefully follow all assembly instructions.
• Maintain the tiller according to directions and
schedule included in this Earthquake® operator’s
manual.
• Ensure that anyone who uses the tiller is familiar with
all controls and safety precautions.
Special Messages
Your manual contains special messages to bring attention to
potential safety concerns, machine damage as well as helpful
operating and servicing information. Please read all the
information carefully to avoid injury and machine damage.
NOTE: General information is given throughout the
manual that may help the operator in the
operation or service of the machine.
Important Safety Precautions
Please read this section carefully. Operate the tiller
according to the safety instructions and recommendations
outlined here and inserted throughout the text. Anyone
who uses this tiller must read the instructions and be familiar
with the controls. Your tiller is equipped with a safety device
that enables you to stop the wheels and tines quickly in an
emergency. Learn how the drive safety control lever operates
and how to control the tiller at all times.
WARNING
WARNING INDICATES A HAZARD WHICH, IF NOT
AVOIDED, COULD RESULT IN DEATH OR SERIOUS
INJURY AND/OR PROPERTY DAMAGE.
CAUTION
CAUTION INDICATES YOUR EQUIPMENT CAN BE
DAMAGED IF THE SAFETY INSTRUCTIONS THAT
FOLLOW THIS SIGNAL WORD ARE NOT OBEYED.
IMPORTANT
INDICATES HELPFUL INFORMATION FOR PROPER
ASSEMBLY, OPERATION, OR MAINTENANCE OF
YOUR EQUIPMENT.
WARNING
CALIFORNIA PROPOSITION 65 WARNING
ENGINE EXHAUST FROM THIS PRODUCT
CONTAINS CHEMICALS KNOWN TO THE STATE OF
CALIFORNIA TO CAUSE CANCER, BIRTH DEFECTS,
OR OTHER REPRODUCTIVE HARM.
THIS SYMBOL POINTS OUT IMPORTANT
SAFETY INSTRUCTIONS WHICH IF NOT
FOLLOWED COULD ENDANGER YOUR
PERSONAL SAFETY. READ AND FOLLOW
ALL INSTRUCTIONS IN THIS MANUAL
BEFORE ATTEMPTING TO OPERATE THIS
EQUIPMENT.
• Do not allow children to operate this rototiller. Keep
small children away from the area being tilled. Do
not allow adults to operate the tiller without proper
instruction.
Intended Use / Foreseeable Misuse
IMPORTANT:
This is a motorized rotary tiller that works the
soil by means of rotating tines. It is pedestriancontrolled, but not self-propelled, with a gasolinefueled internal combustion engine to power the
tines. It shall not be used for any other purpose.
WARNING
YOU MUST READ, UNDERSTAND AND COMPLY
WITH ALL SAFETY AND OPERATING INSTRUCTIONS
IN THIS MANUAL BEFORE ATTEMPTING TO SETUP
AND OPERATE YOUR MACHINE.
FAILURE TO COMPLY WITH ALL SAFETY AND
OPERATING INSTRUCTIONS CAN RESULT IN LOSS
OF MACHINE CONTROL, SERIOUS PERSONAL
INJURY TO YOU AND/OR BYSTANDERS, AND RISK
OF EQUIPMENT AND PROPERTY DAMAGE. THE
TRIANGLE IN THE TEXT SIGNIFIES IMPORTANT
CAUTIONS OR WARNINGS WHICH MUST BE
FOLLOWED.
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3
WARNING
ENGINES GIVE OFF CARBON MONOXIDE, AN
ODORLESS, COLORLESS, POISONOUS GAS.
CARBON MONOXIDE MAY BE PRESENT EVEN IF
YOU DO NOT SMELL OR SEE ANY ENGINE EXHAUST.
BREATHING CARBON 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.
HOT GASES ARE A NORMAL BYPRODUCT OF A
FUNCTIONING MUFFLER. FOLLOW ALL SAFETY
INSTRUCTIONS 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
DISCONNECT SPARK PLUG WIRE FROM THE SPARK
PLUG AND KEEP IT AWAY FROM THE SPARK PLUG.
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 overspeed the engine.
• Stay away from rotating parts. Place protective covers
over rotating parts.
Operator's Manual
Viper® 340cc 4-Cycle Engine
• 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.
• 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 ll 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 from area. Clean up spilled
fuel and allow to evaporate and dry after wiping and
before starting.
4
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Operator’s Manual
Viper® 340cc 4-Cycle Engine
• 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 ll 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
• Never remove the muer guard from the engine.
• Never touch the muer guard because it is extremely
hot and will cause severe burns.
• Never touch parts of the engine that become hot after
operation.
• Always keep materials and debris away from muer
guard 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.
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5
Operator's Manual
16095-0016R1
Viper® 340cc 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.
A: Warning!
B: Avoid Injury From Rotating Tines.
C: Read Owner’s Manual Before Operating Machine.
D: Remove Objects that Could Be Thrown By This Machine.
E: Dangerous Moving Parts.
A
G H
SPECIFICATIONS
Displacement / Cycle 340 cc 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 21.0 Nm@2500 RPM (15.50 LBS/FT)
Bore and Stroke 88 mm x 56 mm
Spark Plug Type / Gap Torch F6TC or F6RTC / GAP 0.032” (0.8 mm) (NGK - BP6ES/BPR6ES)
Fuel Type Minimum 87 octane gasoline
Fuel Tank Remote
Drive Shaft Type 22.2 mm, 55 mm from end of shaft to mounting surface, 4 mm x 26 mm full key, drilled and
Start Type Electric
Speed 3600 RPM 1.1
Oil Capacity and Type 1.16 quart (1.1 liters); (Refer to “Table 1 Choose Oil Type”, Page 8)(SAE 15W/40)
Weight 60.5 lb, dry (27.5 kg, dry)
Overall Dimensions 415 mm x 442 mm x 395 mm
B
C
D E F
F: Be Aware of Moving and Rotating Parts.
G: Wear Ear and Eye Protection At All Times.
H: Do Not Service or Adjust Moving Parts Unless Engine is
Stopped and Spark Plug Wire is Disconnected.
I
J
K
L
I: Dress Appropriately And Wear Sturdy Footwear.
J: Toxic Fumes —Do Not Operate in Unventilated Areas.
K: Hot Surfaces.
L: Fire Hazards.
M. Do Not Use In Thunderstorms--For severe weather, stop
M
N
O P
operation of this machine and seek shelter.
N. Team Lift--For your safety, always have at least two people
when lifting this machine.
O. Do Not Till Above Underground Utility Lines And Pipes.
P. Do Not Operate When Children Or Others Are Around.
Exhaust: 0.20 +/- 0.02 mm
NOTE: if using an ethanol blended fuel, a fuel stabilizer, mixed to manufacturer
specications, is recommended.
tapped 3/8-24 UNF-23 mm min., full thread
6
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FEATURES
Engine Components SEE FIGURE 1
Model 21198, 340CC Vertical shaft
This is a 4-cycle air cooled engine. The 340cc engine utilizes a
vertical shaft and an oil slinger lubricated system.
OIL DIPSTICK
AIR CLEANER
AND FILL PORT
Operator’s Manual
Viper® 340cc 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.
CAUTION
ENGINE IS SHIPPED FROM FACTORY
WITHOUT OIL. YOU MUST ADD ENGINE
OIL BEFORE STARTING ENGINE. IF
ENGINE IS STARTED WITHOUT OIL,
ENGINE MAY BE DAMAGED BEYOND
REPAIR AND WILL NOT BE COVERED BY
WARRANTY.
CARBURETOR /
FUEL FLOAT BOWL
FUEL FILTER
FUEL
PUMP
OIL
DRAIN
PORT
EXHAUST
MUFFLER
FIGURE 1. Features
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SPARK PLUG
CARBURETOR
7
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
OIL TYPE: SAE 15W/40
OPERATION
Pre-Operation Inspection
WARNING
ENGINES GIVE OFF CARBON MONOXIDE, AN
ODORLESS, COLORLESS, POISONOUS GAS.
CARBON MONOXIDE MAY BE PRESENT EVEN IF
YOU DO NOT SMELL OR SEE ANY ENGINE EXHAUST.
BREATHING CARBON 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.
IMPROPER MAINTENANCE OF THIS ENGINE,
OR FAILURE TO CORRECT A PROBLEM BEFORE
OPERATION, CAN CAUSE EQUIPMENT
MALFUNCTIONS. ALWAYS PERFORM A PRE
OPERATION INSPECTION BEFORE EACH
OPERATION. CORRECT ANY PROBLEMS BEFORE
OPERATION.
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.
• DO NOT REFUEL WHILE SMOKING, NEAR OPEN
FLAME, OR OTHER POTENTIAL HAZARDS.
FAILURE TO FOLLOWS WARNING CAN CAUSE
SERIOUS INJURY OR DEATH.
DO NOT ATTEMPT TO START ENGINE IN THE
FOLLOWING WAYS:
• DO NOT USE STARTING FLUID.
• DO NOT SPRAY FLAMMABLE LIQUIDS OR VAPORS
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.
Operator's Manual
Viper® 340cc 4-Cycle Engine
CAUTION
HOT GASES ARE A NORMAL BYPRODUCT OF A
FUNCTIONING INTERNAL COMBUSTION ENGINE.
FOLLOW ALL SAFETY INSTRUCTIONS 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
FLIP THE ON/OFF SWITCH TO THE OFF POSITION.
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 TABLE 1.
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
8
Table 1. Choose Oil Type
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