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18

CS-400

RUNNING

  

  WARNING  

The saw chain should not move at idle, otherwise serious 

personal injury may result.

NOTE

If saw chain moves adjust carburetor according to “Car

-

buretor Adjustment” instructions in this manual, or see 
your dealer.

•  When engine starts, keep idling for a few minutes. 

•  Set the brake lever in the unlocked position before starting 

to cut.

•  Pull throttle trigger gradually and increase revolution of the 

engine. 

•  The chain starts running when the engine reaches 3800 r/

min approximately. 

•  Confirm proper acceleration and lubrication of chain and 

bar.

•  Do not run the engine at high speed unnecessarily. 

•  Be sure that saw chain stops moving when throttle trigger 

is released.

STOPPING

•  Release throttle trigger and move ignition switch down to 

“STOP” position.

NOTE

If engine does not stop, pull choke control knob out fully to 
stop engine. 

Return the unit to your authorized ECHO dealer to check 

and repair stop switch before starting the engine again.

CHECKING CHAIN TENSION

·  Chain tension should be checked frequently during work 

and corrected as necessary. 

   CAUTION

Do not operate with a loose chain.

CHAIN LUBRICATION TEST

Hold the chain just above a dry surface and open the throttle 
to half speed for 30 seconds. 

A thin line of  “thrown” oil should be seen on the dry surface.

Unlock chain brake

16

CS-400

RUNNING

• When engine starts, keep idling for a few

minutes.

• Set the brake lever in the unlocked position

before starting to cut.

• Pull throttle trigger gradually and increase

revolution of the engine.

• The chain starts running when the engine

reaches 3800 r/min approximately.

• Confirm proper acceleration and lubrication of

chain and bar.

• Do not run the engine at high speed

unnecessarily.

• Be sure that saw chain stops moving when

throttle trigger is released.

STOPPING

• Release throttle trigger and move ignition switch

down to “STOP” position.

NOTE

If engine does not stop, pull choke control knob
out fully to stop engine.
Return the unit to your authorized ECHO dealer
to check and repair stop switch before starting
the engine again.

CHECKING CHAIN TENSION

Chain tension should be checked frequently
during work and corrected as necessary.

Tension the chain as tight as possible, but so it
can still be pulled easily along the bar by hand.

   CAUTION

Do not operate with a loose chain.

CHAIN LUBRICATION TEST

Hold the chain just above a dry surface and open
the throttle to half speed for 30 seconds.

A thin line of  “thrown” oil should be seen on the dry
surface.

STOP

Ignition switch

Throttle trigger

Unlock chain brake

Summary of Contents for CS-400 - 04-09

Page 1: ...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 Inst...

Page 2: ...nly use replacement bars and chains specified by the manufacturer or the equivalent WARNING KICKBACK may occur when the nose or tip of the guide bar touches an object or when the wood closes in and pi...

Page 3: ...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 beca...

Page 4: ...injury may result WARNING Moving parts can amputate fingers or cause severe injuries Keep hands clothing and loose objects away from all openings ALWAYS stop engine disconnect spark plug and make sur...

Page 5: ...ed by the word DANGER calls attention to an act or condition which WILL lead to serious personal injury or death if not avoided SYMBOLS AND SIGNS RULES FOR SAFE OPERATION 1 SYMBOLS AND SIGNS 5 EMISSIO...

Page 6: ...cals on your unit The complete unit illustration found in the NOMEN CLATURE OF PARTS section will help you locate them Make sure the decal is legible and that you under stand and follow the instructio...

Page 7: ...ce Section of this manual emission control exhaust evaporative EPA Phase 2 C A R B TIER III The emission control system for the engine is EM TWC Engine Modification and 3 way Catalyst and for the fuel...

Page 8: ...e serious injury Part Number 890191 30131 Part Number X503 007391 WARNING Read and follow all safety precaution in the instruction manual Failure to follow instructions could result in serious persona...

Page 9: ...of the guide bar mounting point acting as a pivot when in con tact with a tree or log 13 Guide bar The part that supports and guides the saw chain 14 Saw chain Chain serving as a cutting tool 15 Bar...

Page 10: ...etition and rest your hands Reduce the speed and force in which you do the repeti tive movement Do exercises to strengthen hand and arm muscles See a doctor if you feel tingling numbness or pain in yo...

Page 11: ...a violation of the law DANGER Kickback safety precaution for chain saw users 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...

Page 12: ...B of Kick Guard and through front hole C in guide bar 2 IMPORTANT Dimple D in Kick Guard must engage recess E in guide bar 3 Tighten nut F and bolt A using 11 mm 7 16 in wrenches until snug Make cert...

Page 13: ...drum Always check chain brake operation after replacing cover Do not use saw if chain brake does not function properly ADJUSTING CHAIN TENSION IMPORTANT Always loosen clutch cover nuts before turning...

Page 14: ...ls such as E 20 20 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...

Page 15: ...ilated unoccupied building away from sparks and flames Fuel Mix Chart 50 1 IMPORTANT Stored fuel ages Do not mix more fuel than you expect to use in thirty 30 days ninety 90 days when a fuel stabilize...

Page 16: ...tart fires around dry vegetation This unit is equipped with a spark arrestor and a spark arrestor may be required The operator should contact local fire agencies for laws or regulations relating to fi...

Page 17: ...position throttle remains a little open latch condition If engine is started in this latch condition chain starts to turn Do not start engine before chain brake is activated CAUTION After starting th...

Page 18: ...y surface and open the throttle to half speed for 30 seconds A thin line of thrown oil should be seen on the dry surface Unlock chain brake 16 CS 400 RUNNING When engine starts keep idling for a few m...

Page 19: ...w your best aid will be your own good common sense The accepted way to hold the saw is to stand to the left of the saw with your left hand on the front handlebar and your right hand on the rear handle...

Page 20: ...p posite the notch and at a level about 5 cm 2 in above the bottom of the notch Do not try to cut through to the notch with the felling cut The remaining wood between the notch cut and felling cut abo...

Page 21: ...ll weaken at the point where you make the cut unless the tree is lying on perfectly flat ground or supported as shown If you make the cut with the tree on the ground don t let the saw s chain dig into...

Page 22: ...t a fast idle until warm Hold the saw firmly by the handles and acceler ate the engine to a fast idle Slowly operate the chain brake lever while hold ing the saw firmly on the ground When the brake le...

Page 23: ...p the end of the guide bar against the wooden surface 4 The impact should lock the chain brake IMPORTANT When checking the operation of the automatic chain brake use a soft surface substance like wood...

Page 24: ...R COMBINATION The following combinations are recommended for model CS 400 Guide Bar Saw Chain Length ECHO Part No Pitch Type Links mm in Low kickback mm in Standard 406 16 16A0ED3757 9 53 3 8 91VG 57...

Page 25: ...als shown are maximum Actual use and your experience will determine the frequency of required maintenance MAINTENANCE PROCEDURE NOTES Maintenance and Care WARNING Moving parts can amputate fingers or...

Page 26: ...to maintain satisfactory starting emission and durability perfor mance up to 1 100 feet mean sea level MSL 96 0 kPa and below To maintain proper engine operation and emission compliance above 1 100 f...

Page 27: ...knob Spark plug Air cleaner cover Air filter Cylinder cover Air filter cover 25 CS 400 Oil filter Fuel filter Oil tank cap Fuel tank cap 0 65 mm 0 026 in AIR FILTER Check before every use Loosen clea...

Page 28: ...plug lead Remove spark arrestor screen cover and screen from muffler body Clean carbon deposits from muffler components Replace screen if it is cracked or has holes burned through Assemble components...

Page 29: ...lin der exhaust port IMPORTANT Never use a metal tool to scrape carbon from the exhaust port Do not scratch the cylinder or piston when cleaning the exhaust port Do not allow carbon particles to enter...

Page 30: ...Note that blunt or irregular cutters will result in poor cutting performance increased vibration of chains and premature breakage of the saw chain Drive link serves to remove sawdust from the groove o...

Page 31: ...and wash away filings completely before using When chain has been filed on the bar supply sufficient oil to it rotate the chain slowly to wash away the filings before using again If the chain saw is...

Page 32: ...e d o h c E r u o y e e S r e l a e d o h c E r u o y e e S g u l p t a k r a p S k r a p s o N t c e r r o c n i p a g k r a p S n o b r a c h t i w d e r e v o C l e u f h t i w d e l u o F e v i t...

Page 33: ...Wide open throttle r min 12 300 13 000 Standard Front hand guard Rear hand guard features Anti vibration device Spiked bumper Throttle control lockout Chain brake Chain catcher Spark arrestor muffler...

Page 34: ...34 CS 400 notes...

Page 35: ...35 CS 400 notes...

Page 36: ...and ad dress of the Authorized ECHO Service Dealer nearest you ask your retailer or call 1 800 432 ECHO 3246 Dealer information is also available on our Web Site When presenting your unit for Warranty...

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