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Echo PB-755S H, Operator'S Manual

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Echo PB-755S H Operator'S Manual Download Page 22

OPERATION

PB-755S H/T

22

X7531122809

© 5/2016 ECHO Inc.

Storage

 - Fuel storage laws vary by locality. Contact your local government for 

the laws affecting your area. As a precaution, store fuel in an approved, airtight 
container. Store in a well-ventilated, unoccupied building, away from sparks and 
flames.

Stored fuel ages. Do not mix more fuel than you expect to use in thirty 
(30) days, ninety (90) days when a fuel stabilizer is added.

Stored two-stroke fuel may separate. ALWAYS shake fuel container 
thoroughly before each use.

Starting Cold Engine

• Recoil starter: Use short pulls - only 1/2-2/3 of rope length for starting. Do not 

allow the rope to snap back in. Always hold the unit firmly.

- PB-755S H 

1.

Throttle Lever

Move throttle position lever (A) to 
IDLE DETENT position.

- PB-755S T 

1.

Throttle Position / Stop Switch 
Button

Move throttle position lever (A) 
forward to IDLE position. Slide 
stop switch (B) forward to RUN 
position.

PB-755S H

A

PB-755S T

B

A

Summary of Contents for PB-755S H

Page 1: ...ler or catalytic muffler and surrounding cover may become extremely hot Always keep clear of exhaust and muffler area otherwise serious personal injury may occur The engine exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm Users of this equipment risk injury to themselves and others if the unit is used improperly ...

Page 2: ...ty Equipment 6 Equipment 10 Emission Control Exhaust Evaporative 11 CARB And EPA Emissions Control Information 11 Description 12 Contents 17 Assembly 18 Install Blower Pipes Stick Handle 18 Install Blower Pipes 19 Operation 21 Fuel 21 Starting Cold Engine 23 Starting Warm Engine 24 Stopping Engine 25 Operating Blower 26 Maintenance 27 Skill Levels 28 Maintenance Intervals 28 Air Filter 30 Fuel Fil...

Page 3: ... parts always have the Model Number and Serial Number of the unit with you You can find these numbers on the engine housing For future reference write them in the space provided below Model No _________________ SN ___________________ Service Service of this product during the warranty period must be performed by an Authorized ECHO Service Dealer For the name and address of the Authorized ECHO Serv...

Page 4: ...mation Safety Videos are available from your Echo dealer A 5 00 shipping charge will be required for each video SAFETY Manual Safety Symbols and Important Information Throughout this manual and on the product itself you will find safety alerts and helpful informational messages preceded by symbols or key words The following is an explanation of those symbols and key words and what they mean to you...

Page 5: ... result in serious or fatal injury International Symbols Symbol Description Symbol Description Warning See Operator s Manual Carburetor Adjustment High Speed Mixture Wear Eye Ear and Head Protection Carburetor Adjustment Idle Speed Wear Hand Protection Carburetor Adjustment Low Speed Mixture Safety Alert Emergency Stop Hot Surface Fuel and Oil Mixture Idle speed Fast speed Finger severing Primer B...

Page 6: ...er clothing and safety gear must be worn when operating unit Physical Condition Your judgment and physical dexterity may not be good If you are tired or sick If you are taking medication If you have taken alcohol or drugs Operate unit only if you are physically and mentally well Choke Control RUN Position Choke Open Wear slip resistant footwear Keep Bystanders and Helpers Away 15 m 50 ft Symbol De...

Page 7: ...prevent inhaling these materials while operating unit Dust masks can provide protection against dust plant debris and other plant matter such as pollen Make sure the mask does not impair your vision and replace the mask as needed to prevent air restrictions Proper Clothing Wear snug fitting durable clothing Pants should have long legs shirts should have long sleeves DO NOT WEAR SHORTS DO NOT WEAR ...

Page 8: ...elieved that a condition called Raynaud s Phenomenon which affects the fingers of certain individuals may be brought about by exposure to vibration and cold Exposure to vibration and cold may cause tingling and burning sensations followed by loss of color and numbness in the fingers The following precautions are strongly recommended because the minimum exposure which might trigger the ailment is u...

Page 9: ...nstead try to maintain a straight wrist position Also when grasping use your whole hand not just the thumb and index finger Take periodic breaks to minimize repetition and rest your hands Reduce the speed and force with which you do the repetitive movement Do exercises to strengthen the hand and arm muscles Immediately stop using all power equipment and consult a doctor if you feel tingling numbne...

Page 10: ...handle in one hand with thumb and fingers encircling the handle Keep a Solid Stance Maintain footing and balance at all times Do not stand on slippery uneven or unstable surfaces Do not work in odd positions or on ladders Do not over reach Avoid Hot Surfaces Keep exhaust area clear of flammable debris Avoid contact during and immediately after operation Equipment Use only ECHO attachments Serious ...

Page 11: ...p for leaks 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 EMISSION CONTROL EXHAUST EVAPORATIVE CARB And EPA Emissions Control Information The emission control system for the engine is EM engine modification and if the second to last chara...

Page 12: ...ions provided that approved maintenance procedures are followed as listed in the Maintenance Section of this manual DESCRIPTION PB 755S H Locate the safety decal s on your unit Make sure the decal s is legible and that you understand and follow the instructions on it If a decal cannot be read a new one can be ordered from your ECHO dealer See PARTS ORDERING instructions for specific information 13...

Page 13: ...ne Pump purge bulb an additional 4 or 5 times 6 RECOIL STARTER HANDLE Pull recoil handle slowly until recoil starter engages then quickly and firmly When engine starts return handle slowly DO NOT let handle snap back or damage to unit will occur 7 FUEL TANK Contains fuel and fuel filter 8 FUEL TANK CAP Covers and seals fuel tank 9 AIR CLEANER Contains replaceable air filter element 10 HANDLE Rotat...

Page 14: ...Make sure the decal s is legible and that you understand and follow the instructions on it If a decal cannot be read a new one can be ordered from your ECHO dealer See PARTS ORDERING instructions for specific information 13 14 16 15 17 2 3 8 9 6 7 1 4 5 11 12 10 Sound Label Hot Decal General Warning Decal ...

Page 15: ...ER HANDLE Pull recoil handle slowly until recoil starter engages then quickly and firmly When engine starts return handle slowly DO NOT let handle snap back or damage to unit will occur 7 FUEL TANK Contains fuel and fuel filter 8 FUEL TANK CAP Covers and seals fuel tank 9 AIR CLEANER Contains replaceable air filter element 10 THROTTLE POSITION LEVER Pull back to increase engine speed Friction wash...

Page 16: ...55S H ____ 1 Power Head ____ 1 Flex Pipe ____ 1 Pipe w Swivel ____ 1 Straight Pipe ____ 1 Straight Pipe ____ 1 Operator s Manual ____ 1 Warranty Statement ____ 2 Clamps w Screws ____ 1 Stick Handle ____ 1 Bolt 6x45 mm ____ 1 Washer 6 mm ____ 1 Wing Nut PB 755S T ____ 1 Power Head ____ 1 Flex Pipe ____ 1 Pipe w Swivel ____ 1 Straight Pipe ____ 1 Straight Pipe ____ 1 Operator s Manual ____ 1 Warrant...

Page 17: ... C into flexible pipe B and tighten clamp A 3 Assemble flexible pipe B to elbow D on blower and tighten clamps A Note A light lubricant may be used to ease assembly of flexible pipe to blower elbow 4 Loosen wing nut E completely and open stick handle clamp 5 Align notches F in handle clamp with tabs G 6 Slide stick handle onto swivel pipe C Stick handle H should be angled away from operator 7 Posi...

Page 18: ...e locking system allows pipes to be tightened If loosening occurs remove two straight pipes and reinstall according to instructions 8 9 PB 755 T Never perform maintenance or assembly procedures with engine running or serious personal injury may result Install Blower Pipes 1 Assemble clamps A and G onto both ends of flexible pipe B Note Clamp with cable guide loop G fits elbow end of flexible pipe ...

Page 19: ...e locking channels until connection is firm Do not force connection 8 Assemble straight pipe with decal J to straight pipe as in step 7 Note Blower use will eventually loosen pipe connections Exclusive positive locking system allows pipes to be tightened If loosening occurs remove two straight pipes and install according to instructions 7 8 OPERATION Moving parts can amputate fingers or cause seve...

Page 20: ...Fuel Requirements Gasoline Use 89 Octane R M 2 mid grade or higher gasoline known to be good quality Gasoline may contain up to 10 Ethanol grain alcohol or 15 MTBE methyl tertiary butyl ether Gasoline containing methanol wood alcohol is NOT approved ECHO brand Power Fuel is 93 octane ethanol free fuel premixed with ECHO Red Armor engine oil at 50 1 ratio Use of ECHO Power Fuel is recommended to ex...

Page 21: ...ng Inspect for fuel leakage If fuel leakage is found do not start or operate unit until leakage is repaired Move at least 3 m 10 ft from refueling location before starting the engine Mixing Instructions 1 Fill an approved fuel container with half of the required amount of gasoline 2 Add the proper amount of 2 stroke oil to gasoline 3 Close container and shake to mix oil with gasoline 4 Add remaini...

Page 22: ...ty 30 days ninety 90 days when a fuel stabilizer is added Stored two stroke fuel may separate ALWAYS shake fuel container thoroughly before each use Starting Cold Engine Recoil starter Use short pulls only 1 2 2 3 of rope length for starting Do not allow the rope to snap back in Always hold the unit firmly PB 755S H 1 Throttle Lever Move throttle position lever A to IDLE DETENT position PB 755S T ...

Page 23: ...oke C down to RUN position and if necessary restart engine Note If engine does not start after 5 pulls move choke to COLD START position and repeat steps 4 5 Note Allow engine to warm up before use Starting Warm Engine The starting procedure is the same as Cold Start except DO NOT close the choke PB 755S H 1 Throttle Lever Move throttle position lever A to IDLE DETENT position PB 755S T 1 Throttle...

Page 24: ...before shutting off engine 2 Throttle Lever Move throttle position lever A to STOP O position PB 755S T 1 Throttle Position Throttle Position Lever Releasethrottletrigger C Move Throttle Position Lever A forward to IDLE position and allow engine to return to idle before shutting off engine 2 Stop Switch Button Slide stop switch B to STOP position If engine does not stop when stop switch is moved t...

Page 25: ...en performing light duty tasks or to comply with local noise regulations Continuous low speed operation may allow fuel oil residue to build up on the piston and cause rapid build up of carbon on the spark arrestor screen resulting in overheating and engine damage To reduce harmful build up run engine at wide open throttle for at least 5 minutes every hour and inspect clean the spark arrestor scree...

Page 26: ...oving 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 sure all moving parts have come to a complete stop before removing obstructions clearing debris or servicing unit Allow unit to cool before performing service Wear gloves to protect hands from sharp edges and hot surfaces Your ECHO...

Page 27: ...mended based on the finding of damage or wear during inspection COMPONENT SYSTEM MAINTENANCE PROCEDURE REQ D SKILL LEVEL Daily or Before Use Air Filter Inspect Clean 1 Choke Shutter Inspect Clean 1 Fuel System Inspect 1 1 Cooling System Inspect Clean 2 Recoil Starter Rope Inspect Clean 1 Screws Nuts Bolts Inspect Tighten Replace 1 Every Refuel Fuel System Inspect 1 1 3 Months Air Filter Replace 1 ...

Page 28: ...aked very dirty or the rubber sealing edges are deformed 4 If filter can be reused be certain it Fits tightly in the air filter cavity Is installed with the original side out 5 Install air filter cover Fuel Filter Level 1 Fuel is VERY flammable Use extreme care when mixing storing or handling or serious personal injury may result 1 Use a clean rag to remove loose dirt from around fuel cap and empt...

Page 29: ...replacement part Spark Plug Level 2 Use only NGK BPM 8Y spark plug BPMR 8Y in Canada otherwise 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 kgf cm 130 ...

Page 30: ...enance Any failure attributed to lack of maintenance is not warranted Cleaning Grill 1 Brush accumulated debris from intake grill between backpack frame and blower housing Cleaning Cylinder Fins 1 Disconnect spark plug lead from spark plug and remove engine cover 2 Clean cylinder fins A to allow cooling air to pass freely 3 Install engine cover and attach spark plug lead Exhaust System Spark Arres...

Page 31: ... spark arrestor screen and cover 4 Install engine cover and attach spark plug lead Exhaust Port Cleaning Level 2 1 Remove spark plug lead from spark plug and remove engine cover 2 Place piston at top dead center Remove muffler A and heat shield B 3 Use a wood or plastic scraping tool to clean deposits from cylinder exhaust port Never use a metal tool to scrape carbon from the exhaust port Do not s...

Page 32: ... will stabilize Idle speed can be adjusted as required High Altitude Operation This engine has been factory adjusted to maintain satisfactory starting emission and durability performance up to 1 100 feet above sea level ASL 96 0 kPa To maintain proper engine operation and emission compliance above 1 100 feet ASL the carburetor may need to be adjusted by an authorized ECHO service dealer If the eng...

Page 33: ...dle for one minute 2 Complete warm up by running at full throttle for 5 minutes operating choke twice to clear air from carburetor chambers 3 Check idle speed and reset if necessary If a tachometer is available idle speed screw A should be set to the specifications found on Specifications Page of this manual Turn idle screw A clockwise to increase idle speed counter clockwise to decrease idle spee...

Page 34: ...ace See your Echo dealer Fuel at cylinder No fuel at cylinder Carburetor See your Echo dealer Muffler wet with fuel Fuel Mixture too rich OPEN choke Clean replace air filter See your Echo dealer Spark at end of plug wire No spark Stop switch OFF Electrical prob lem Interlock switch Turn switch to ON See your Echo dealer See your Echo dealer Spark at plug No spark Spark gap incorrect Covered with c...

Page 35: ...ugged Contaminants residues in fuel Clean or replace Spark Plug Plug dirty worn Normal wear Clean and adjust or replace Carburetor Improper adjustment Vibration See your Echo dealer Cooling System Cooling system dirty plugged Extended oper ation in dirty dusty locations Clean Spark Arrestor Screen Spark arrestor screen plugged Normal wear Replace Engine does not crank N A N A Internal engine probl...

Page 36: ...FF position 3 Remove accumulation of grease oil dirt and debris from exterior of unit 4 Perform all periodic lubrication and services that are required 5 Tighten all the screws and nuts 6 Drain fuel tank completely Press purge bulb 6 7 times to remove remaining fuel from carburetor then drain the tank again Close choke start and run the engine until it stops due to lack of fuel 7 Allow engine to c...

Page 37: ...Plug NGK BPMR 8Y Gap 0 65 mm 0 026 in Fuel Mixed Gasoline and Two stroke Oil Fuel Oil Ratio 50 1 Power Blend XTM or ECHO Red Armor ISO L EGD ISO CD 13738 and J A S O M345 FD two stroke air cooled engine oil Gasoline 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 Oil Power Blend XTM or ECHO Red...

Page 38: ...product on line It s FAST and EASY NOTE your information will never be sold or misused by ECHO Inc Registering your purchase enables us to contact you in the unlikely event of a service update or product recall and verifies your ownership for warranty consideration If you do not have access to the Internet you can complete the form below and mail to ECHO Inc Product Registration PO Box 1139 Lake Z...

Page 39: ...X7531122809 39 5 2016 ECHO Inc PB 755S H T PRODUCT REGISTRATION ...

Page 40: ...PRODUCT REGISTRATION PB 755S H T 40 X7531122809 5 2016 ECHO Inc ...

Page 41: ...X7531122809 41 5 2016 ECHO Inc PB 755S H T PRODUCT REGISTRATION ...

Page 42: ...NOTES PB 755S H T 42 X7531122809 5 2016 ECHO Inc NOTES ...

Page 43: ...X7531122809 43 5 2016 ECHO Inc PB 755S H T NOTES ...

Page 44: ...ECHO INCORPORATED 400 Oakwood Road Lake Zurich IL 60047 www echo usa com H P04513001001 P04513999999 T P04213001001 P04213999999 ...

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