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Service information 

 

After each 20 hours of running or 1 year change the spark plug. 
After each 50 hours of operation time preventively check up the con-rod and the reed valve.  
After  300  hours  of  operation  time  commit  the  engine  to  the  professional  warranty  service 
department. 
 
After each 3 running hours or every 15

th

 flight do lubricate the front bearing. The new engine 

lubricate EARLIEST after first 10 running hours! 
 
Lubrication the engine´s front bearing:  
 
Inject 1.5ml of oil for engines to the hole as on the picture. 
During the lubrication DO NOT turn with the propeller! 
NOTE! After the bearing lubrication the engine can produce more smoke! 
Do  not  forget  to  apply  the  screw-cap  into  the  hole.  Running  engine  without  can  cause 
engine´s damage!!!
 
 

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 

Spare parts list 

 

 

Содержание 152 IRS - V1.3

Страница 1: ...del planes always follow the rules and laws in effect in your country 3 The manufacturer declines all responsibility for all damages arising from the operation of models and other appliances driven by MVVS 152cc engine 4 Use always original spare parts 5 Never tamper with the engine construction 6 Before each flight check that all the propeller screws are tightened up and in good condition If you ...

Страница 2: ... the propeller in air in accordance to reached speed while flying We do not recommend use of propellers which allows turning the engine on the ground more as 7000 RpM Fuel Always use unleaded 95 octane petrol mixed in the proportion 40 volume units of petrol to 1 unit of Mobil Racing 2T oil If necessary quality brand name synthetic oil intended for racing two stroke engines can be used too For run...

Страница 3: ...er permeability Restart the engine and test acceleration again If problems persist adjust the carburetor Open the adjusting needle L by 5 min and retest acceleration If acceleration is smooth open the needle by another 3 5 min this should be done because the needle was previously set at a boundary value if atmospheric conditions changed during flight the problems might recur If the engine continue...

Страница 4: ...maged While the engine has been started leave it run for approx 5 min at a higher idle speed Then run it in for approx 20 min while changing revolutions from idle to 1 2 3 4 of the range and shortly holding each position gradually prolong the holding periods After 10 minutes running start opening the throttle at maximum for short periods of time Stop the engine and let it cool down Then restart it...

Страница 5: ...er each 3 running hours or every 15th flight do lubricate the front bearing The new engine lubricate EARLIEST after first 10 running hours Lubrication the engine s front bearing Inject 1 5ml of oil for engines to the hole as on the picture During the lubrication DO NOT turn with the propeller NOTE After the bearing lubrication the engine can produce more smoke Do not forget to apply the screw cap ...

Страница 6: ...iner 3309 Spark plug 1001 Crankshaft 1405 Ignition sensor fixing screws 1101 Drive washer 3228 Carburetor Warranty The MVVS gas engines come with a three year guarantee against defects in workmanship and materials Only original buyers of the engines are eligible warranty claimants The warranty cannot be transferred with a change in ownership This guarantee does not cover any normal wear that might...

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