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18

SPARK

 

PLUG

Level 2.

Tools required:

T-wrench, Feeler gauge, Soft metal brush

Parts required:

REPOWER

TM

 Tune-Up Kit P/N 90074

IMPORTANT
Use only NGK BPM-8Y spark plug (BPMR-8Y in Canada) other-
wise severe engine damage may occur.

1. Remove spark plug and check for fouling, worn and rounded center

electrode.

2. Clean the plug or replace with a new one.  DO NOT sand blast to

clean. Remaining sand will damage engine.

3. Adjust spark plug gap by bending outer electrode.

4. Tighten spark plug to 150-170 kg/cm (130-150 in. lb.).

COOLING

 

SYSTEM

Level 2.

Tools required:

3 mm Hex wrench, 25 or 50 mm (1 or 2 in.) cleaning
brush

Parts required:

None if you are careful.

IMPORTANT
To maintain proper engine operating temperatures, cooling air
must pass freely through the cylinder fin area. This flow of air
carries combustion heat away from the engine.

Overheating and engine seizure can occur when:
• Air intakes in the crankcase are blocked, preventing cooling air from

reaching the cylinder.

• Dust and grass build up on the outside of the cylinder. This build up

insulates the engine and prevents the heat from leaving.

Removal of crankcase cooling passage blockages or cleaning of
cooling fins is considered “Normal Maintenance.” Any failure attrib-
uted to lack of maintenance is not warranted.

Summary of Contents for HC-181

Page 1: ...sforsafeoperationandallinstructionscarefully ECHOprovidesthis Operator sManualandaSafetyManual Bothmustbereadandunderstoodfor properandsafeoperation Hedge Clipper Operator s Manual MODEL HC 181 X75322...

Page 2: ...family This ECHO product was designed and manufactured to provide long life and on the job dependability Read and understand this manual You will find it easy to use and full of helpful operating tip...

Page 3: ...ment Idle speed Carburetor adjustment High speed mixture Symbol description application Symbol form shape Symbol description application Symbol form shape Read and understand owners manual Wear eyes e...

Page 4: ...ease operator fatigue which may lead to heat stroke Schedule heavy work for early morning or late afternoon hours when temperatures are cooler Keep your body warm especially the head neck feet ankles...

Page 5: ...It is believed that overusing the muscles and tendons of the fingers hands arms and shoulders may cause soreness swelling numbness weakness and extreme pain in those areas Certain repetitive hand acti...

Page 6: ...manual and safety manual Check unit for loose missing nuts bolts and screws Tighten and or replace as needed Inspect fuel lines tank and area around carburetor for fuel leaks DO NOT operate unit if l...

Page 7: ...e Guard DESCRIPTION Locate the safety decals on your unit Make sure the decals are legible and that you understand and follow the instruc tions on them If a decal cannot be read a new one can be order...

Page 8: ...REARHANDLE ContainstheStopSwitch ThrottleLockout andThrottleTrigger 11 THROTTLETRIGGERLOCKOUT ThislevermustbedepressedbeforeThrottleTriggercanbeactivated 12 THROTTLE TRIGGER Spring loaded to return t...

Page 9: ...personal injury Avoid touching blades whenever possible and always wear gloves to protect hands IMPORTANT Follow blade bolt adjustment instructions exactly Failure to do so could result in damage to...

Page 10: ...and hold securely in place 4 Remove first three 3 blade locknuts A and washers in front of front handle guard Do not remove blade bolts 5 Tighten blade bolts B until snug Install blade stiffener then...

Page 11: ...d to severe personal injury Use a socket and extension when adjusting blade bolts or blade locknuts in order to keep hands at a safe distance from sharp blades 3 Remove blade stiffener locknuts A and...

Page 12: ...s slowly allowing pressure to equalize NEVERrefuelaunitwhentheengineisHOTorRUNNING DO NOT fill fuel tanks indoors ALWAYS fill fuel tanks outdoors over bare ground DO NOT overfill fuel tank Wipe up spi...

Page 13: ...ure blades do not move at idle If blades move readjust carburetor according to Carburetor Adjustment instructions in this manual or see your ECHO Dealer NOTE If engine does not start with choke in Run...

Page 14: ...il fuel is visible and flows freely in the clear fuel tank return line Pump bulb an additional 4 or 5 times 3 Recoil Starter Place the unit on a flat clear area Grip the front handle securely with one...

Page 15: ...rovide many hours of trouble free service Regular scheduled maintenance will help your unit achieve that goal If you are unsure or are not equipped with the necessary tools you may want to take your u...

Page 16: ...f f u M e c a l p e R t c e p s n I 2 I g n i s u o H r a e G e s a e r G 2 1 I s e d a l B n a e l C t c e p s n I 1 2 C I e p o R r e t r a t S l i o c e R n a e l C t c e p s n I 1 C I g u l P k r...

Page 17: ...med 4 If filter can be reused be certain it Fits tightly in the air filter cavity Is installed with the original side out 5 Installairfiltercover NOTE Carburetor adjustment may be needed after air fil...

Page 18: ...Tools required 3mmHexwrench 25or50mm 1or2in cleaning brush Parts required None if you are careful IMPORTANT To maintain proper engine operating temperatures cooling air must pass freely through the cy...

Page 19: ...der cover forward disengaging muffler gasket tabs and ignition lead and lay aside 6 Loosely install spark plug to keep debris out of the cylinder Use brush to remove dirt from cylinder fins IMPORTANT...

Page 20: ...to damage the catalyticelementinsidemuffler 5 Replace screen if it is cracked plugged or has holes burned through 6 Assemble components in reverse order NOTE When installing the cylinder cover be cert...

Page 21: ...s required High Altitude Adjustment High altitude adjustment is not required for proper operation of this engine Level2 Tools required Screwdriver Tachometer ECHOP N99051130017 Parts required None NOT...

Page 22: ...ades whenever possible and always wear gloves to protect hands 1 Move stop switch to stop position 2 Disconnect spark plug wire from spark plug 3 Brush loose debris from blade and coat both sides of b...

Page 23: ...ays wear gloves to protect hands A B Gear Box Assembly Level1 Tools required GreaseGun Cleanrag Parts required ECHO LUBETM 14oz P N91015 orLithiumBased Grease 1 Clean dirt from filler plug area A and...

Page 24: ...ting edges 5 File each edge carefully Follow the original shape of the blade IMPORTANT If a power grinder is used DO NOT allow blade to over heat 6 Install blade stiffener see Blade Stiffener Remove I...

Page 25: ...u l P n i 6 2 0 0 m m 5 6 o t t s u j d A e c a l p e r r o n a e l C e c a l p e r r o n a e l C g u l p e c a l p e R s n u r e n i g n E r o s e i d t u b t o n s e o d e t a r e l e c c a y l r e...

Page 26: ...l dirt and debris fromexteriorofunit 4 Perform all periodic lubrication and services that are required 5 Apply clean oil to the entire length of the blade Be certain the blade bolts are lubricated 6 I...

Page 27: ...parkPlug BPM 8Y Gap0 65mm 0 026in Fuel Mixed Fuel gasoline and oil Fuel OilRatio 50 1 two stroke air cooled engine oil Gasoline 89 Octane unleaded DO NOT use fuel containing methyl alcohol more than 1...

Page 28: ...is product you may call the ECHO ConsumerProductSupportDepartmentat1 800 673 1558from8 30am to 4 30 pm Central Standard Time Monday through Friday Before calling please know the model and serial numbe...

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