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21

P

ower

 B

lower

o

Perator

'

s

 M

anual

spark

 

plug

Level 1.

   

 

 

Parts Required:

    Repower

TM  

Tune Up Kit

IMPORTANT

Use only NGK BPM8Y spark plug (BPMR8Y 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 kgf • cm (130-150 in • lbf).

CoolIng

 

sysTem

Level 2.

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 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 cooling passage blockages or cleaning of cooling fins is 

considered “Normal Maintenance”.  Any failure attributed to lack of 

maintenance is not warranted.

Cleaning Grill

 1.  Remove accumulated debris from intake grill between backpack 

frame and blower housing.

0.65 mm

(0.026 in.)

Summary of Contents for PB-500H

Page 1: ...rning Users of this equipment risk injury to themselves and others if the unit is used im properly and or safety precautions are not followed ECHO provides an operator s manual It must be read and und...

Page 2: ...mer Product Support 32 Warranty Registration 32 Additional or Replacement Manuals 32 Specifications descriptions and illustrative material in this literature are as accurate as known at the time of pu...

Page 3: ...t be worn when operating unit Safety manual safety symbols and important information Throughout this manual and on the product itself you will find safety alerts and helpful informational messages pre...

Page 4: ...obs where operating the unit or other hand held power equipment is not required If you experience discomfort redness and swelling of the fingers followed by whitening and loss of feeling consult your...

Page 5: ...t 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 activ...

Page 6: ...ng 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 fou...

Page 7: ...you understand and follow the instruc tions on them If a decal cannot be read a new one can be ordered from your ECHO dealer See PARTS ORDERING instructions for specific information Hot Decal near muf...

Page 8: ...OKE Move lever UP to close choke starting position and for emergency stopping Move DOWN to open choke run position 9 PURGE BULB Pumping purge bulb before starting engine draws fresh fuel from the fuel...

Page 9: ...r s Manual 10 11 12 13 14 6 15 General Warning Decal located on blower housing Hot Decal near muffler 70 Category II dB A Measured at 50 ft 15m per ANSI B175 2 Sound Label located on blower housing PB...

Page 10: ...g engine draws fresh fuel from the fuel tank purging air from the carburetor Pump purge bulb until fuel is visible and flows freely in the clear fuel tank return line Pump purge bulb an additional 4 o...

Page 11: ...ocking system parts only no labor Refer to your operator s manual for string head installation and maintenance instructions All SB Series and PRO ATTACHMENT SERIES Split Shaft attachments carry the sa...

Page 12: ...th pipe pegs H Stick handle should be angled away from operator 7 Slide stick handle onto pipe with swivel C 8 Position stick handle for comfortable operation and tighten wing nut E 9 Assemble straigh...

Page 13: ...between the elbow D and frame and along the top of the flexible pipe Loosen knob H on handle E Align notch in handle with tabs F Install onto swivel pipe C past long ridges in pipe 5 Assemble swivel...

Page 14: ...brication caused by failure to use an ISO L EGD ISO CD 13738 and J A S O FD certified oil such as Echo premium Power Blend XTM will void the two stroke engine warranty Emission related parts only are...

Page 15: ...uel than you expect to use in thirty 30 days ninety 90 days when a fuel stabilizer is added IMPORTANT Stored two stroke fuel may separate ALWAYS shake fuel con tainer thoroughly before each use Handli...

Page 16: ...lb Pump purge bulb D until fuel is visible and flows freely in the clear fuel tank return line Pump bulb an additional 4 or 5 times 4 Recoil Starter Pull recoil starter handle E until engine fires or...

Page 17: ...ld start procedures stopping engine PB 500H 1 Throttle Lever Move throttle lever A to IDLE DETENT position and allow engine to return to idle before shutting off engine 2 Throttle Lever Move throttle...

Page 18: ...after ap proximately 40 hours of operation Read the Safety Section on pages 3 6 carefully IMPORTANT To avoid engine damage due to over revving do not block blower pipe opening 1 Use only during appro...

Page 19: ...o 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 COMPONENT S...

Page 20: ...ilter Level 1 Parts required RepowerTM Tune Up Kit DANGER Fuel is VERY flammable Use extreme care when mixing storing or handling 1 Use a clean rag to remove loose dirt from around fuel cap and empty...

Page 21: ...ou 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 Overh...

Page 22: ...s 2 Remove spark arrestor cover A gasket B and spark arrestor screen C from muffler Replace screen if plugged with carbon deposits 3 Install spark arrestor screen gaskets and cover 4 Install spark plu...

Page 23: ...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 the cylinder 4 Insp...

Page 24: ...be re adjusted when operating the engine below 1 100 feet ASL otherwise severe engine damage may result Level 2 Parts required None NOTE Every unit is run at the factory and the carburetor is set in...

Page 25: ...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 c e f e d g 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...

Page 26: ...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 screws and nuts 6 Drain fuel tank completely...

Page 27: ...stem Spark arrestor muffler or spark arrestor muffler with catalyst Fuel Mixed Gasoline and Two stroke Oil Fuel Oil Ratio 50 1 Power Blend X TM ISO L EGD ISO CD 13738 and J A S O M345 FD two stroke ai...

Page 28: ...ill be covered by this limited warranty for five 5 years from date of purchase EXCEPTIONS For two stroke engine powered products the electronic ignition module flexible drive cables SRM solid drive sh...

Page 29: ...torage procedures stale fuel including failure to provide or perform required maintenance services as prescribed in the operator s manual Preventative maintenance as outlined in the operators manual i...

Page 30: ...30 notes...

Page 31: ...31 Power Blower Operator s Manual notes...

Page 32: ...ave questions concerning the applica tion operation or maintenance of this product you may call the ECHO Consumer Product Support Department at 1 800 673 1558 from 8 30 am to 4 30 pm Central Standard...

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