Cub cadet CS3916 User Manual
Professional
Landscaping Tools
CS3916
16”
CHAIN SAW
IMPORTANT: READ SAFETY RULES AND
INSTRUCTIONS CAREFULLY
DO NOT THROW AWAY
2
T
able of Contents
Content Page
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Know Your Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Fitting the Bar & Chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Oil & Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Carburetor Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Kickback. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Chain Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Cutting Techniques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
For more details about your unit, visit our website at www.cubcadetcommercial.com
Spark
Arrestor
NOTE: For users on U.S. Forest Land and in the states of California, Maine, Oregon and Washington. All U.S.
Forest Land and the state of California (Public Resources Codes 4442 and 4443), Oregon and Washington require, by
law that certain internal combustion engines operated on forest brush and/or grass-covered areas be equipped with a
spark arrestor, maintained in effective working order, or the engine be constructed, equipped and maintained for the
prevention of fire. Check with your state or local authorities for regulations pertaining to these requirements. Failure to
follow these requirements could subject you to liability or a fine. This unit is factory equipped with a spark arrestor. If
it requires replacement, Spark Arrestor Screen is available by contacting the service department.
Calling Customer Support
If you have difficulty assembling this product or have any questions regarding the controls, operation or maintenance of
this unit, please call the Customer Support Department.
Call 1-877-282-8684 to reach a Customer Support representative. Please have your unit’s model number
and serial number ready when you call. See the previous section to locate this information.
Copyright© 2003 Cub Cadet Commercial LLC
All Rights Reserved
T
o the Operator
Thank you for buying this quality product. This modern outdoor power tool will provide many hours of useful service. You
will find it to be a great labor-saving device. This operator’s manual provides you with easy-to-understand operating
instructions. Before starting or operating this equipment, read the whole manual and follow all the instructions to keep
your new outdoor power tool in top operating condition.
All information, illustrations and specifications in this manual are based on the latest product information available at the
time of printing. We reserve the right to make changes at any time without notice. Service on this unit both within and
after the warranty period should be performed only by a Cub Cadet Commercial dealer. Proof of purchase will be
required for warranty service.
3
• Read the instructions carefully. Be familiar with the
controls and proper use of the unit.
• Do not operate this unit when tired, ill or under the
influence of alcohol, drugs or medication.
•Only responsible individuals who are familiar with the
instructions may operate the chain saw (no one under
the age of 16). Provide parental supervision at all times.
• Inspect the unit before use. Replace damaged parts.
Check for fuel leaks. Make sure all fasteners are in
place and secure. Replace parts that are cracked,
chipped or damaged in any way.
• Know the controls and know how to stop the chain
saw quickly.
• Carry the chain saw with the engine stopped, the
guide bar and saw chain to the rear, and the muffler
away from your body.
• When transporting your chain saw, use the
appropriate guide-bar scabbard (sheath).
While Operating
• Keep all parts of your body away from the chain when
the engine is running.
• Never start or run the unit inside a closed room or
building. Breathing exhaust fumes can kill. Operate
this unit only in a well ventilated outdoor area.
• Wear safety glasses or goggles that are marked as
meeting ANSI Z87.1-1989 standards. Also wear
ear/hearing protection when operating this unit. Wear
a face or dust mask if the operation is dusty. Long
sleeve shirts are recommended.
• Wear heavy, long pants, boots or safety footwear and
protective gloves. Do not wear loose clothing, jewelry,
short pants, sandals or go barefoot. Secure hair above
shoulder level.
• Use the unit only in daylight or good artificial light.
SAFETY ALERT SYMBOL: Indicates danger,
warning or caution. Attention is required in
order to avoid serious personal injury. May
be used in conjunction with other symbols
or pictographs.
The purpose of safety symbols is to attract your attention to possible dangers. The safety symbols, and their
explanations, deserve your careful attention and understanding. The safety warnings do not by themselves eliminate
any danger. The instructions or warnings they give are not substitutes for proper accident prevention measures.
NOTE: Advises you of information or instructions
vital to the operation or maintenance of the
equipment.
SYMBOL MEANING
Section 1
Safety
Failure to obey a safety warning will result in
serious injury to yourself or to others. Always
follow the safety precautions to reduce the risk of
fire, electric shock, and personal injury.
Failure to obey a safety warning can result in
injury to yourself and others. Always follow the
safety precautions to reduce the risk of fire,
electric shock, and personal injury.
Failure to obey a safety warning may result in property
damage or personal injury to yourself or to others.
Always follow the safety precautions to reduce the
risk of fire, electric shock, and personal injury.
THE ENGINE EXHAUST FROM THIS PRODUCT
CONTAINS CHEMICALS KNOWN TO THE STATE OF
CALIFORNIA TO CAUSE CANCER, BIRTH DEFECTS
OR OTHER REPRODUCTIVE HARM.
California Proposition 65 Warning
Important Safety Information
If correctly used, the chain saw is a quick, easy to
handle and efficient tool; if used improperly or
without the due precautions it could become a
dangerous tool. For pleasant and safe work,always
strictly comply with the safety rules that follow and
throughout this manual.
READ ALL INSTRUCTIONS
Before Operating
4
Kickback Safety Precautions
KICKBACK may occur when the nose or tip of the
guide bar touches an object, or when the wood
closes in and pinches the saw chain in the cut. Tip
contact in some cases may cause a lightning-fast
reverse reaction, kicking the guide bar up and back
towards the operator. Pinching the saw chain along
the top of the guide bar may push the guide bar
rapidly back toward the operator. Either of these
reactions may cause you to lose control of the saw,
which could result in serious personal injury.
Do not rely exclusively upon the safety devices
built into your saw. As a chain saw user, you
should take several steps to keep your cutting
jobs free from accident or injury.
•With a basic understanding of kickback, you can
reduce or eliminate the element of surprise. Sudden
surprise contributes to accidents. Be alert to the
potential for kickback at all times.
• Keep a good firm grip on the saw with both hands, the
right hand on the rear handle and the left hand on the
front handle, when the engine is running. Use a firm grip
with thumbs and fingers encircling the chain saw
handles. A firm grip will help you reduce kickback and
maintain control of the saw. Don’t let go.
• Make sure that the area in which you are cutting is free
from obstructions. Do not let the nose of the guide
bar contact a log, branch, fence, or any other
obstruction that could be hit while you are operating
the saw.
• Always cut with the engine running at full speed. Fully
squeeze the throttle trigger and maintain a steady
cutting speed.
• Use only the correct original equipment manufacturer
replacement bars, chains and other parts and
accessories. These are available from your authorized
service dealer. Use of any unauthorized parts or
accessories could lead to serious injury to the user, or
damage to the unit, and will void your warranty.
• Follow the manufacturer’s sharpening and
maintenance instructions for the saw chain.
• Use only the replacement guide bars and low kickback
chains specified for your saw to avoid injury.
Other Safety Precautions
• Do not operate a chain saw with one hand! Serious
injury to the operator, helpers, bystanders, or any
combination of these persons may result from onehanded operation. A chain saw is intended for twohanded use.
• Do not operate a chain saw if you are fatigued.
• Use safety footwear; snug-fitted clothing; protective
gloves; and eye, hearing, and head protection devices.
• Avoid accidental starting. Be in the starting position
whenever pulling the starter rope. The operator and
unit must be in a stable position while starting. See
Starting/Stopping Instructions.
• Before you start the engine, make sure that the saw’s
chain is not contacting anything. Do not cut near
electrical cables or power lines.
• Keep all parts of your body away from the chain when
the engine is running.
• Do not start cutting until you have a clear work area,
secure footing, and a planned retreat path from the
falling tree.
• Do not operate a chain saw that is damaged,
improperly adjusted, or not completely and securely
assembled. Be sure that the saw’s chain stops moving
when the throttle control trigger is released.
• Shut off the engine before setting the chain saw down.
• Use extreme caution when cutting small-sized brush
and saplings because slender material may catch the
chain saw and whip towards you or pull you off
balance.
•When cutting a limb that is under tension, be alert for
springback so that you will not be struck when the
tension in the wood fibers is released
• Do not cut through nails, rods in the tree, railroad ties
or pallates. Inspect a tree that you are going to cut for
foreign objects that could cause injury or damage to
your chain saw.
• After striking a foreign object, stop the engine and
thoroughly inspect for damage. Repair as necessary.
• Keep the handles dry, clean and free of the oil/fuel
mixture
•We do not recommend using the chain saw in a tree or
on a ladder.
• All chain saw service, other that the items listed in this
instruction manual maintenance instructions, should
be performed by competent chain saw service
personnel.
• Use the right tool. Only use this chain saw for its
intended purpose, to cut wood.
• Do not overreach. Always keep proper footing and
balance.
• Always hold the unit with both hands when operating.
Keep a firm grip on all handles or grips.
• Apply chain brake prior to any repositioning of the
operator in the cutting area. As an additional safety
precaution, apply the chain brake prior to setting down
the saw.
• Never touch the chain or attempt to service the saw
while the engine is running. Make sure all moving parts
have stopped. Allow the chain saw to cool, as the
chain can be hot.
• Check the bar and chain at frequent intervals for
proper adjustment. Make sure the bar and chain are
properly tightened and sharpened. Visually inspect for
damage. Repair any damage before restarting or
operating the chain saw.
Safety (continued)
5
Safety (continued)
• Use caution when handling fuel. Move the chain saw at
lest 10 feet (3 m) from the fueling point before starting
the engine.
• Do not allow other persons to be near the chain saw
when starting or cutting with the chain saw. Keep
bystanders and animals out of the work area.
• Do not remove, damage or de-activate any of the
safety devices. Never use a damaged, modified, or
improperly repaired or assembled chain saw. Check
their proper operation regularly. Only use bars and
chains of the length indicated in the table herein.
• Never carry out operations or repairs on your own that
are other than routine maintenance. For information,
contact specialized and authorized workshops only.
• If your chain saw is no longer usable, dispose of it
properly without damaging the environment by
handing it in to your local dealer who will arrange for its
correct disposal.
• Use caution when felling a tree. Make sure you have
planned an escape path when felling, and keep all
bystanders away.
• Be alert; stop the machine if anyone enters the cutting
area, which is usually 3 to 4 feet around the operator.
• Use caution when working in a crew to avoid injury to a
fellow worker who may enter the cutting area.
• Only loan your saw to experienced users who are
completely familiar with saw operation and correct use.
Give other users this manual, which they should read
before using the saw. Provide them the operating
instructions.
• Shut off the engine before setting down the saw. Do
not leave the engine running unattended.
• Never store the unit, with fuel in the tank, inside a
building where fumes may reach an open flame or
spark.
• Allow the engine to cool before storing or transporting
the chain saw over long distances. For example, let the
engine cool before placing the chain saw in an
automobile. Also, be sure to secure the unit while
transporting.
• Store the unit in a dry area, locked up, located up high
and located out of the reach of children to prevent
unauthorized use or damage.
• Never douse or squirt the unit with water or any other
liquid. Keep handles dry, clean and free from debris.
Clean after each use.
• Keep these instructions. Refer to them often and use
them to instruct other users. If you loan someone this
unit, also loan them these instructions.
• Do not use the unit in the rain, in a storm or in
inclement weather. Wait until the storm danger has
passed before operation of this product.
Fuel Safety
• Store fuel only in containers specifically designed and
approved for the storage of such materials.
• Always stop the engine and allow it to cool before
filling the fuel tank. Never remove the cap of the fuel
tank, or add fuel, when the engine is hot. Never
operate the unit without the fuel cap securely in place.
Loosen the fuel tank cap slowly to relieve any pressure
in the tank.
• Add fuel in a clean, well-ventilated outdoor area where
there are no sparks or flames. Slowly remove the fuel
cap only after stopping engine. Do not smoke while
fueling or mixing fuel. Wipe up any spilled fuel from the
unit immediately.
• Avoid creating a source of ignition for spilled fuel. Do
not start the engine until fuel vapors dissipate.
• Move the unit at least 30 feet (9.1 m) from the fueling
source and site before starting the engine. Do not
smoke. Keep sparks and open flames away from the
area while adding fuel or operating the unit.
SAVE THESE INSTRUCTIONS
Gasoline is highly flammable, and its vapors can
explode if ignited. Take the following precautions.
6
SYMBOL MEANING
• SAFETY ALERT SYMBOL
Indicates danger, warning, or
caution. May be used in conjunction
with other symbols or pictographs.
• WARNING - READ OPERATOR'S
MANUAL
Read the Operator’s Manual(s) and
follow all warnings and safety
instructions. Failure to do so can
result in serious injury to the
operator and/or bystanders.
• WEAR EYE, HEARING AND
HARDHAT PROTECTION
WARNING
:
Thrown objects and
loud noise can cause severe eye
injury and hearing loss. Wear eye
protection meeting ANSI Z87.1-1989
standards and ear protection when
operating this unit. Wear a hard hat.
Use a full face shield when needed.
• UNLEADED FUEL
Always use clean, fresh unleaded fuel.
• OIL
Refer to operator's manual for the
proper type of oil.
Safety and International Symbols
This operator's manual describes safety and international symbols and pictographs that may appear on this product.
Read the operator's manual for complete safety, assembly, operating and maintenance and repair information.
SYMBOL MEANING
•ON/OFF STOP CONTROL
ON / START / RUN
•ON/OFF STOP CONTROL
OFF OR STOP
• HOT SURFACE WARNING
Do not touch a hot muffler or
cylinder. You may get burned. These
parts get extremely hot from
operation. When turned off they
remain hot for a short time.
• GUIDE BAR
WARNING:
Contact of the guide bar tip with any
object should be avoided. Tip
contact may cause the guide bar to
move suddenly upward and
backward, which may cause serious
injury.
• USE BOTH HANDS
Always use both hands while
operating the chain saw
. Never use
only one hand to operate the saw.
Safety (continued)
7
Chain Saw Components
1 - Choke lever
2 - Throttle trigger
3 - Throttle trigger lockout
4 - Carburetor adjustment screws
5 - Inertial brake lever
6 - Exhaust muffler
7 - Chain
8 - Guide bar
9 - Air filter cover
10 - On/off switch
11 - Fuel tank cap
12 - Starter handle
13 - Oil tank cap
14 - Primer bulb (940C)
Know Your Unit
Section 2
8
Check the chain tension frequently when operating
the chain saw. Always use protective gloves.
Fitting the Bar & Chain
Section 3
1
2
3
4
With the engine off, follow the ensuing instructions:
• Pull the guard (Fig. 1) towards the front handle to
check that the chain brake is not on.
• Remove the bar nuts (A) and the chain cover (B, Fig. 2).
• Remove and discard the plastic shim from the bar
studs (C, Fig. 3).
• Bring the chain tensioning pin (D) fully towards the
sprocket (E) (Fig. 3) using the chain tensioning screw
(L, Fig. 5).
• Place the bar (F) onto the studs so that the chain
tensioning pin (D) fits into its seat (G) (Fig. 3).
• Fit the chain (H) inside the sprocket (E) and the bar
groove (M) (Fig. 4).
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