Tanaka TPB-350GX ユーザーズマニュアル

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Idle Speed Adjustment (Fig. 9) 
When the idle speed is adjusted properly, the engine will run smoothly, without pressing 
the THROTTLE LEVER.  
 
If adjustment is required: 
1. Start the engine. 
2.  Using a long, Philips head screwdriver 
gently close (clockwise) the T-screw until 
the Powerboard starts to move forward. 
3.  Then open (counter-clockwise) the screw 
until the Powerboard stops.  
4.  You have reached the correct idle speed 
when the engine runs smoothly below the 
RPM when the Powerboard starts to move. 
 
Note: Standard idle RPM is about 2500- 
        3000 RPM.  
 
WARNING! 
When the engine is idling, under no circumstances should your 
powerboard be moving.  If the unit continues to move after idle speed 
adjustment, contact your local Tanaka Dealer.   
 
Cleaning the Air Filter 
It is a good idea to occasionally clean the air filter to insure optimum performance.  
 
     To 
clean 
the 
air 
filter: 
1.  Using a Philips head screwdriver, remove 
the carburetor cover by turning the cover 
screw counter clockwise. (Fig. 10) 
2.  Rinse it in warm soap suds. 
3.  Check that the filter is dry before 
reassembly. 
4.  Put the air filter back into its original 
position (fig. 11) and replace the cover.  
 
NOTE:   An air filter that has been used for 
some time cannot be cleaned completely.  
Therefore, it must regularly be replaced with a 
new one.  A damaged filter must always be 
replaced.   
 
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