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GMARLNAMA  U.S.,  INC:. 

INSTRUCTION  MANUAL 

FOR  BACKPACK  POWER  BLOWER 

MODEL:  BL400/BL480 

DODDDDDOODO 

It  is  essential  that  any  operator  of  a 

MARUYAMA  Backpack  Power  Blower  reads  and 

understands  the  contents  of  this  manual 

before  the  engine  is  started. 

Important  safety  instructions  will 

I). 

be  identified  by  the  safety  symbol ... 

Failure  to  comply  with  the  instructions  in 

t-hi!=:t  m;:11n11;::il  m:::.v  r&1ci:nlt- in  c:u:aririncz  it"l--i,i-,..u 

Summary of Contents for BL400

Page 1: ...l that any operator of a MARUYAMA Backpack Power Blower reads and understands the contents of this manual before the engine is started Important safety instructions will I be identified by the safety symbol Failure to comply with the instructions in t hi t m 11n11 il m v r 1ci nlt in c u aririncz it l i i u ...

Page 2: ...E OF CONTENTS Page Foreword l Specifications l Safety Instructions 2 Assembly Instructions 3 Before Operation 4 Operating Instruction 5 Throttle Control Lever 5 Starting Procedure 6 Blower Operation 7 Stopping The Engine 7 Page Storage 7 Regular Maintenance 8 Air Filter 9 Spark Plug 8 Fuel Filter 9 Cooling Fins 9 Muffler And Exhaust Ports 10 General Cleaning Tightening 10 Warranty BACK COVER SPECI...

Page 3: ...ine B Use an approved fuel container for storing the gasoline oil mixture C Do not fill the fuel tank when the engine is hot or running D Fill the fuel tank outdoors and only up to one half inch from the top of the tank Do not fill the filler neck E Wipe away any spilled gasoline before starting the engine 10 Always be sure of your footing keep a firm hold of the blower pipes and walk never run wh...

Page 4: ...BLOW PIPE HEAD WIRE CLJ MP S 3 0in 3 75in z OPERATOR S MANUAL WARRANTY REGISTRATION CARD STEP 2 Using the WIRE CLAMPS connect the FLEXIBLE PIPE to the blower and the SWIVEL PIPE to the flexible pipe see sketch below STEP 3 Assemble the STRAIGHT PIPE BENT PIPE and FAN BLOW HEAD then connect them to the swivel pipe see sketch below AIR CLEANER RECOIL STARTER PRIMER BULB RETURN PIPE CARRING HANDLE BL...

Page 5: ... oils Install the cap on the gasoline container before shaking Shake the gasoline container vigorously so the oil mixes with the gasoline Add the additional g asoline nee dad to complete the required amount of mixed fuel see the fuel mixture chart below IMPORTANT Do not fill the blower fuel tank with gasoline that does not have oil mixed in it Do not use gasoline additives because the engine could...

Page 6: ...he left side of the operator The lowest position of the lever is the asTOPPED setting and the highest position is the UFULL THROTTLE setting maximum R P M BL400 BL480 The handle of the throttle control lever slides in or out for the convenience of the operator HANDLE IN STORAGE POSITION HANDLE PUSHED IN FULL o THROTTLE IDLE SETTING STOP OFF OPERATING POSITION HANDLE PULLED OUT 5 FULL THROTTLE IDLE...

Page 7: ... speed STEP 4 Pull the STARTER GRIP briskly to start the engine NOTE Only short pulls are necessary Never pull the starter cord to its fullest extension Never let go of the starter grip until it is at the fully returned position STEP 5 warming up the engine When the engine has started slowly move the CHOKE LEVER fully downward to the open position Allow the engine to WARM UP at less than 1 2 speed...

Page 8: ... engine at idle speed for a few minutes to allow cooling before stopping To stop the engine move the throttle control lever all the way downward to the STOP position STORAGE For long term storage of the power blower first perform all regular maintenance procedures and needed repairs Empty the fuel tank Disconnect the fuel return line from the carburetor then gently hold the tickler lever down whil...

Page 9: ...ions To inspect remove the air filter cap The element is easily pulled from the case Clean the element by washing it in kerosene or warm detergent solution Squeeze it dry Apply 30wt oil to the element removing all excess oil and install the element SPARK PLUG The spark plug should be removed from the engine and checked after each fifty 50 hours of use The tips can be cleaned with a stiff brush Adj...

Page 10: ... FILTER To clean the fuel filter remove it from the fuel tube and wash it with fuel mi ture Inspect and clean the fuel tank before re installing the fuel filter Always replace a defective fuel filter COOLING FINS Free passage of air through the cylinder cooling fins is required to prevent poor engine performance and shortened engine life Regularly check and clean all debris from the cooling fins b...

Page 11: ...ED MARUYAMA DEALER should be contacted for this service GENERAL CLEANING AND TIGHTENING The MARUYAMA power blower will provide maximum performance for many many hours if it is maintained properly Good maintenance includes regular checking of all fasteners for correct tightness and cleaning the entire machine Contact an authorized MARUYAMA dealer for additional maintenance suggestions 10 ...

Page 12: ...service required for regular use of the product 3 Modifications service repairs parts or components not authorized by Maruyama 4 Normal wear accident abuse neglect misuse negligence improper fuels fuel mixtures or failure to operate or maintain the product in accordance with instructions approved by Maruyama Maruyama shall not be liable for any special consequential direct or indirect damages and ...

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