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JC 30EVO User Manual 

 

Model Airplane Engines 

 

SPECIFICATIONS: 

 

 

2 Stroke air cooled single cylinder, single ring. 

 

Walbro membrane pump carburetor with dual needles and manual choke 

 

Automatic advancing electronic ignition 

 

 

Output Power: 

 

 

4.0 hp at 9000rpm 

 

Idle Speed:   

 

        1300 rpm 

 

Maximum Speed:  

 

9000rpm 

 

Displacement: 

 

 

30 cc 

 

Bore and Stroke:   

 

36mm×30mm 

 

Weight:   Engine -   

 

  920g 

Exhaust –                90g 
Ignition -   

 

  120g   

 

 

Propeller: 

 

 

 

17-8    to    20-6 

 

 

Ignition Battery:   

 

4.8 to 6.0 Volts, typically 1200Mah 

 

Replacement Spark plug:          NGK CM-6 or equivalent 

 
         

Operating Instructions 

 
 

Thank  you  for  purchasing  our  JC30EVO,  we  hope  it  will  bring  you  many 

hours  of  enjoyment.    It  is  important  to  familiarize  yourself  with  these  safety 
precautions,  as  well  as  the  operating  instructions  -  these  engines  can  cause 
serious injury to people and animals.    This  will help you avoid injury or harm 
to yourself, other persons or animals. 

 

JC ENGINE POWER CO.,LTD

 will not be held responsible for any loss, injury or 

damage resulting from inappropriate use of its products -  you are responsible for the 
safe operation of your equipment. 
 

Safety Instructions 

Содержание JC30EVO

Страница 1: ...typically 1200Mah Replacement Spark plug NGK CM 6 or equivalent Operating Instructions Thank you for purchasing our JC30EVO we hope it will bring you many hours of enjoyment It is important to famili...

Страница 2: ...and keep spectators at a safe distance away when operating the motor Stop the motor before making any adjustments Always use the correct length propeller bolts not too long or too short Spinner cones...

Страница 3: ...with any warranty service Mounting the Engine Whereas the threads in the engine stand offs and prop driver are perfectly adequate for the purpose they are easily damaged by excessive tightening or by...

Страница 4: ...cap head bolts are provided This allows up to 10mm for the firewall washers and spacers Please ensure that these bolts do NOT bottom out in the mounting pillars the bolts will not be holding the engi...

Страница 5: ...e between the ignition and components and the receiver and components Spark Plug JC Engines are supplied Rcexl CM 6 spark plugs We have seen plugs of low quality on other engines but we have had no pr...

Страница 6: ...performance and a substantially longer life We don t believe in lengthy bench running and would far rather see the engine flying at varying throttle settings but not subjected to hard flying for the...

Страница 7: ...o check if it was flooded and to speed the drying out process Needle Adjustments The needle closest to the firewall H is the high speed needle the other one L is the low speed needle Turning the needl...

Страница 8: ...ht if it appears to sag off during full throttle flight maybe in a climb land without delay and richen anti clockwise the H needle1 8 turn If the engine burbles a bit in the mid range the L needle may...

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