Echo CS-330MX4 User manual
X7503243102 X750010722
11/09
WARNING
Read rules for safe operation and instructions carefully. ECHO provides an Instruc-
tion Manual and a Safety Manual. Both must be read and understood for proper and
safe operation.
Chain Saw
Instruction Manual
MODEL : CS-330MX4
2
Rules foR safe opeRation
A. Kickback Safety Precautions for Chain Saw Users
B. Other Safety Precautions
1. Do not operate a chain saw with one hand! Serious
injury to the operator, helpers, bystanders, or any com-
bination of these persons may result from one-handed
operation. A chain saw is intended for two-handed
use.
2. Do not operate a chain saw when you are fatigued.
3. Use safety footwear; snug-tting clothing; protective
gloves; and eye, hearing and head protection devices.
Keep long hair away from engine and air intake. Retain
hair with cap or net.
4. Use caution when handling fuel. Move the chain saw at
least 3 m (10 feet) from the fueling point before starting
the engine.
5. Do not allow other persons to be near the chain saw
when starting or cutting with the chain saw. Keep by-
standers and animals out of the work area.
6. Do not start cutting until you have a clear work area,
secure footing, and a planned retreat path from the
falling tree.
Copyright© 2010 By Echo, Incorporated
All Rights Reserved.
WARNING!
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
towards the operator. Either of these reactions may cause
you to lose control of the saw which could result in serious
personal injury.
The Kick Guard ® device is not installed on the guide bar
when you purchase your ECHO chain saw. The Kick Guard
® can be used in a majority of cutting operations, and is
especially recommended for beginners, homeowners, or
chain saw novices. Most cutting operations can be ac-
complished with the Kick Guard®in place.
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 in-
jury.
1. With a basic understanding of kickback, you can reduce
or eliminate the element of surprise. Sudden surprise
contributes to accidents.
2. Keep a good rm 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 rm
grip with thumbs and ngers encircling the chain saw
handles. A rm grip will help you reduce kickback and
maintain control of the saw. Don’t’ let go.
3. 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, or any other obstruction which
could be hit while you are operating the saw.
4. Cut at high engine speeds.
5. Do not overreach or cut above shoulder height.
6. Follow manufacturer’s sharpening and maintenance
instructions for the saw chain.
7. Only use replacement bars and chains, or the equiva-
lent, specied by the manufacturer.
7. Keep all parts of your body away from the saw chain
when the engine is running.
8. Before you start the engine, make sure that the saw
chain is not contacting anything.
9. Carry the chain saw with the engine stopped, the guide
bar and saw chain to the rear, and the mufer away
from your body.
10. Do not operate a chain saw that is damaged, im-
properly adjusted, or not completely and securely
assembled. Be sure that the saw chain stops moving
when the throttle control trigger is released.
11. Shut off the engine before setting the chain saw
down.
12. Use extreme caution when cutting small size brush
and saplings because slender material may catch the
saw chain and be whipped toward you or pull you off
balance.
13. When cutting a limb that is under tension, be alert for
spring back so that you will not be struck when the
tension in the wood bers is released.
3
14. Keep the handles dry, clean, and free of oil or fuel
mixture.
15. Operate the chain saw only in well-ventilated areas.
16. Do not operate a chain saw in a tree unless you have
been specically trained to do so.
17. All chain saw service, other than the items listed in
the Instruction Manual maintenance instructions,
should be performed by competent chain saw service
personnel. (For example, if improper tools are used
to remove the ywheel or if an improper tool is used
to hold the ywheel in order to remove the clutch,
structural damage to the ywheel could occur and
could subsequently cause the ywheel to burst.)
18. When transporting your chain saw, use the appropri-
ate guide bar scabbard.
19. Spark arrestor mufers approved to SAE Standard
J335b are Standard on ECHO Chain saws to reduce
the possibility of forest res. Do not operate the chain
saw with a loose or defective mufer. Do not remove
the spark arrestor screen.
WARNING
Using improper replacement components or removing safety devices may result in serious or fatal injury.
WARNING
• During operation, the mufer or catalytic mufer and surrounding cover become hot.
• Never suspend the saw on a lanyard with the engine running.
• Always use the saw from the right-hand side of your body – NEVER from the left side.
• Always wear proper safety clothing to protect your lower body from sharp saw chain and
hot mufer.
• Always keep exhaust area clear of ammable debris during transportation or when storing,
otherwise serious property damage or personal injury may result.
WARNING
Moving parts can amputate ngers or cause severe injuries. Keep hands, clothing and loose objects away from
all openings.
• ALWAYS stop engine, disconnect spark plug, and make sure all moving parts have come to a complete stop
before removing obstructions, clearing debris, or servicing unit.
• DO NOT start or operate unit unless all guards and protective covers are properly assembled to unit.
• NEVER reach into any opening while the engine is running. Moving parts may not be visible through openings.
WARNING
Check fuel system for leaks due to fuel tank damage, especially if the unit is dropped. If damage or leaks are found, do not use
unit, otherwise serious personal injury or property damage may occur. Have unit repaired by an authorized servicing dealer
before using.
4
inteRnational symbols
Contents
Page
Rules for Safe Operation..................................................................................................2
Technical Data..................................................................................................................5
Emission Data ..................................................................................................................6
Description........................................................................................................................6
Nomenclature of Parts......................................................................................................7
Preparation for Use ..........................................................................................................8
Fuel and Lubricant..........................................................................................................10
Operation........................................................................................................................12
- Starting Cold Engine ....................................................................................................13
- Starting Warm Engine ..................................................................................................14
- Stopping .......................................................................................................................14
Cutting Instructions.........................................................................................................15
Maintenance and Care ...................................................................................................18
Chain and Guide Bar Combinations...............................................................................24
Troubleshooting..............................................................................................................26
Storage...........................................................................................................................27
Correct Use of Chain Brake............................................................................................27
Warranty Statements......................................................................................................29
Servicing Information......................................................................................................32
5
teChniCal Data
* Technical data subject to change without notice.
Model ......................................................................................................... CS-330MX4
Dimension.................................. L x W x H .............................mm ............ 277 x 247 x 214
inch............ 10.9 x 9.7 x 8.4
Weight ....................................... Power head, dry ..................kg............... 3.6 (7.9 lb)
Without chain and guide bar
Engine ....................................... Type........................................................ Air-cooled, two-stroke, single cylinder
Displacement.......................................... 32.6 (1.989 cu.in.)
Carburetor............................................... Diaphragm type
Ignition .................................................... Flywheel magneto : CDI system
Spark Plug .............................................. NGK BPM-8Y - .065 mm (.026 in.) Gap
Starter..................................................... Recoil starter
Power transmission ................................ Automatic centrifugal clutch
Fuel............................................Mixture ratio............................................. 50:1 ratio with Echo Power BlendTM 2-stroke
oil. 89 octane unleaded. Do not use fuel
containing methyl alcohol, more than 10%
ethyl alcohol or 15% MTBE. Use 89 Octane
unleaded. Do not use fuel containing methyl
alcohol, more than 10% ethyl alcohol or 15%
MTBE. Do not use alternative fuels such as
E-15 or E-85.
Tank Capacity ......................ml............... 310 (10.5 U.S. oz.)
Oil .............................................. Bar and chain ......................................... ECHO bar and chain oil (or motor oil)
Tank Capacity ......................ml............... 290 (9.8 U.S. oz.)
Lubrication .............................................. Adjustable automatic oil pump
Guide bar .................................. Standard ................................................. 14 in.
Saw chain.................................. Optional .................................................. 12, 16 in.
Standard features....................................................................................... Top Handle
Front hand guard
Anti-vibration device
Throttle control lockout
Chain catcher
Spark arrestor - catalytic mufer / mufer
Engine RPM .............................. Idle.......................................................... 2,400 - 2,800
Clutch Engagement ................................ 4,300
Wide Open Throttle (WOT)..................... 13,000 - 14,000
Kickback Safety Features.......................................................................... Double Guard Low Kick Guide Bar
Low Kick Guard Link Saw Chain
Front Hand Guard/Chain Brake Lever
Chain Brake
Kick Guard
6
DesCRiption
The ECHO product you purchased has been factory pre-assembled for your convenience. Due to packaging restric-
tions, guide bar and saw chain installation and other assembly may be necessary.
After opening the carton, check for damage. Immediately notify your retailer or ECHO Dealer of damaged or missing
parts. Use the contents list to check for missing parts.
Contents
1 - Power Head
1 - Guide Bar
1 - Kick Guard
1 - Hex Head Bolt
1 - Hex Nut
1 - Saw Chain
1 - Instruction Manual
1 - Safety Manual
1 - Warranty Registration Card
1 - T-Wrench
1 - Echo Power Blend X TM 2-stroke oil sample
emission Data
An Emission Control Label is located on the en-
gine. (This is an EXAMPLE ONLY, information on
label varies by engine FAMILY).
X7503243100 X750010720
06/07
WARNING
Readrules forsafeoperation andinstructionscarefully. ECHOprovides anInstruction
Manualand a Safety Manual. Both must be read and understood for proper and safe
operation.
Chain Saw
Instruction Manual
MODELS : CS-330MX4
PRODUCT EMISSION DURABILITY (EMISSION COMPLIANCE PERIOD)
The 300 hour emission compliance period is the time span selected by the manufacturer certifying the
engine emissions output meets applicable emissions regulations, provided that approved maintenance
procedures are followed as listed in the Maintenance Section of this manual.
emission ContRol (exhaust &evapoRative)
EPA 2010 and Later and/or C.A.R.B. TIER III
The emission control system for the engine is EM/TWC
(Engine Modication and 3-way Catalyst) and for the fuel
tank the Control System is EVAP (Evaporative Emissions)
or N (for nylon tank). Evaporative emission may be appli-
cable to California models only.
7
1. Hand guard
(Chain brake actuating lever)
2. Ignition/Choke Lever
3. Throttle control trigger
4. Throttle control lockout
5. Air cleaner cover
6. Pull starter
7. Front handle
8. Oil tank cap
9. Fuel tank cap
10. Saw chain
11. Guide bar
12. Sprocket guard
13. Catalytic mufer
14. Spark Plug
15. Rear (Top) Handle
nomenClatuRe of paRts
10
11
12
13
14
P/N X503008690
P/N 89019130131
P/N X5240001710
P/N 89022839131
P/N X505002310
15
12
34
5
6
7
8
9
CS-330MX4
P/N X524001970
P/N X524001980
P/N X503008690
P/N X505002060
8
P/N 89019130131P/N X503008690
P/N 89022839131
REPLACEMENT BAR AND
CHAIN
Note:There may be other replace-
ment components for achieving
kickback protection. For details,
please refer to the chain and
bar combination sheet shown in
the instruction manual.
P/N X524001710
GUIDE BAR*CHAIN*
PART NO. TYPE LINKS
12” 12AOED3745 OREGON 91VG 45
14” 14AOED3752 OREGON 91VG 52
16” 16AOED3757 OREGON 91VG 57
P/N X505002310
P/N X524001980 P/N X524001970
P/N X503008690
KICK GUARD® TO BAR INSTRUCTIONS
For saws with Kick Guard®P/N 2894901 and symmetri-
cal or asymmetrical low-kick type guide bars.
1. Install bolt (A) in rear hole (B) of Kick Guard®and
through front hole (C) in guide bar.
2. IMPORTANT: Dimple in Kick Guard®(D) must engage
recess in guide bar (E).
3. Tighten nut (F) and bolt (A) until snug. Make certain
Kick Guard® is ush against guide bar.
pRepaRation foR use
* If a decal cannot be read, a new one can be or-
dered from your ECHO dealer.
Chain brake must be unlocked before removing or
installing clutch cover. Improper cover installation can
result in serious injury and cause severe damage to
saw.
El freno de la cadena debe ser desbloqueado antes
de remover o de instalar la cubierta del embrague. La
instalación incorrecta de la cubierta puede dar lugar a
lesión seria y causar daño severo a la sierra.
9
H
G
J
GUIDE BAR AND SAW CHAIN-INSTALL/ RE-
MOVE
WARNING
Saw Chain is sharp! Always wear gloves when handling
assembly, otherwise serious personal injury may result.
1. Move chain brake lever (G) fully rearward to unlock
chain brake.
IMPORTANT
Always loosen guide bar nuts before turning chain
tension adjuster, otherwise clutch cover and tensioner
will be damaged.
2. Remove two guide bar nuts (H). Turn tension
adjustment screw (J) counterclockwise 2 to 3 turns if
bar and chain are installed.
3. Push clutch cover (K) forward, pull rear of cover out
slightly, then remove.
4. Remove guide bar and saw chain if necessary.
NOTE: See “MAINTENANCE AND CARE” instructions
for guide bar, sprocket, and saw chain maintenance.
5. Mount guide bar (L) on studs, and slide toward sprocket
to make saw chain installation easier. Install saw chain
(M) over clutch and place around sprocket and guide
bar as shown, with cutters on top of guide bar facing
forward.
6. Align holes of clutch cover (K) with guide bar studs, and
tensioner pin (N) with lower guide bar adjuster hole.
Install cover, then press and hold rear of cover to fully
seat. Tighten guide bar nuts nger tight.
K
7. Turn saw over and check brake band (O) for correct
position around clutch drum (P). If brake band is not in
place around drum, remove clutch cover, make sure
brake is released, and reinstall.
DANGER
Never operate saw if chain brake does not function
properly, otherwise saw damage and serious
personal injury could result. See “Testing the
Brake” instructions.
8. Adjust saw chain tension, as instructed in “Adjust-
ment, Chain Tension”
P
ML
N
O
10
ADJUSTMENT, CHAIN TENSION
IMPORTANT
Always loosen guide bar nuts before turning chain
tension adjuster, otherwise clutch cover and tensioner
will be damaged.
1. Remove air lter cover and spark plug lead.
2. Loosen two guide bar nuts (H).
3. Hold the bar nose up, and turn the adjuster screw
(J) clockwise until the chain touches the bottom of
the bar.
4. Tighten both guide bar nuts with bar nose held up.
IMPORTANT!
Tighten guide bar nuts to 90 – 110 kgf/cm (80 – 95
in. lbs.) DO NOT over-tighten nuts. Damage to saw
may result.
5. Pull the saw chain around the guide bar by hand.
Reduce chain tension, if you feel tight spots.
NOTE
All chains require frequent adjustments.
6. Keep chain properly tensioned at all times.
7. Replace spark plug lead and air lter cover.
HJ
fuel anD lubRiCant
NOTICE: Use of unmixed, improperly mixed, or fuel older than 90 days, (stale fuel), may cause hard starting, poor
performance, or severe engine damage and void the product warranty. Read and follow instructions in the Storage
section of this manual.
fuel statement
WARNING
Alternative fuels, such as E-15 (15% ethanol), E-85 (85% ethanol) or any fuels not meeting ECHO requirements
are NOT approved for use in ECHO 2-stroke gasoline engines. Use of alternative fuels may cause performance
problems, loss of power, overheating, fuel vapor lock, and unintended machine operation, including, but not limited
to, improper clutch engagement. Alternative fuels may also cause premature deterioration of fuel lines, gaskets,
carburetors and other engine components.
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