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Maintenance Manual 

UL

POWER

 

UL390i   UL390i

S

  UL390i

SA

 

 

 

MM 390A01 Revision No: 2 

Date:  

2014-09-15

 

Page: 

of

 18 

 

Preface 

Thank you for deciding to use a ULPower engine. 

Before carrying out maintenance work on the engine, carefully read the Maintenance Manual. 

If any passages of the manual are not completely understood or in case of questions, please contact 
a ULPower authorised dealer. 

Remarks 

The figures in this manual show the typical construction. They may  not represent in full detail or 
the exact shape of the parts which have the same or similar function. 

In addition to this Maintenance Manual, please also refer to the Operating Manual 

Modifications 

The  information  and  components/system  descriptions  contained  in  this  Installation  Manual  are 
correct  at  the  time  of  publication.  ULPower,  however,  maintains  a  policy  of  continuous 
improvement  of  its  products  without  imposing  upon  itself  any  obligation  to  install  them  on  its 
products previously manufactured. 

ULPower reserves the right at any time to discontinue or change specifications, designs, features, 
models or equipment without incurring obligation. 

Engine serial number 

On  all  enquiries  or  spare  parts  orders,  always  indicate  the  engine  serial  number,  as  the 
manufacturer makes modifications to the engine for further development. 

The engine serial number is located on the left side of the crankcase (near the front of the engine). 

Repeating symbols 

This manual uses the following symbols to emphasize particular information. These indications are 
important and must be respected. 

 WARNING

 

:

 

Identifies  an  instruction  which,  if  not  followed,  may  cause  serious  injury 
including the possibility of death. 

 

Attention

 

:  Denotes an instruction which, if not followed, may  severely damage the engine 

or other components. 

Note

 

:  Indicates supplementary information which may be needed to fully complete or 

understand an instruction. 

Содержание UL390i

Страница 1: ...UL39Oi UL39OiS UL39OiSA Maintenance Manual MM 390A01 Revision No 2 Date 2014 09 15...

Страница 2: ......

Страница 3: ...rovement of its products without imposing upon itself any obligation to install them on its products previously manufactured ULPower reserves the right at any time to discontinue or change specificati...

Страница 4: ...liar with the safety instructions including warnings and cautions described in this manual These warnings and cautions advise of specific operating and servicing methods that if not observed can cause...

Страница 5: ...ty warranty conditions 5 Time Limits 6 General note 6 Time limits for engine operation 6 Time limits for rubber parts 6 Annual inspection 7 Scheduled maintenance checks 8 General note 8 Maintenance sc...

Страница 6: ...ct battery Secure engine against unintentional operation At maintenance work which requires ignition ON and battery connected take care of the following Secure the propeller against unintentional turn...

Страница 7: ...on any engine or accessory which has been operated contrary to corresponding Installation Operating and Maintenance procedures or which in ULPower s sole opinion has been subjected to misuse neglect i...

Страница 8: ...years whichever comes first UL390iSA all 250 h or 4 years whichever comes first This do not mean that the engine needs a complete overhaul However it is necessary to do a complete check up in the ULPo...

Страница 9: ...L390iSA MM 390A01 Revision No 2 Date 2014 09 15 Page 7 of 18 Annual inspection Perform a 100hr check at intervals of 100 hours of operation or once every 12 months whichever comes first Every second y...

Страница 10: ...not at 220hr 10hr If a maintenance check is performed before the prescribed interval the next check is to be done at the same interval e g if first 100hr check is done at 87 hours the next 100hr check...

Страница 11: ...O Time Since Overhaul _______________________________ Type of oil used _______________________________ Type of fuel used _______________________________ AIRCRAFT OERATOR Name _________________________...

Страница 12: ...kinks and restrictions like restricted elbows X X X X e Inspect all fuel lines filters injectors and pressure regulator for damage including leakage hardening from heat porosity loose connections and...

Страница 13: ...e oil Screw on new filter by hand X X X X Air filter a Inspection of the air filter Clean replace as necessary X X X b Replace air filter X Fuel filters a Remove all fuel filters from aircraft and ins...

Страница 14: ...ecord fuel pressure ________ bar Record engine speed ________ rpm Bring engine to idle speed Record engine speed ________ rpm X X X X b After engine test run if replaced retighten oil filter by hand X...

Страница 15: ...urn the propeller half a turn 180 anticlockwise standing in front of propeller until both rocker arms from cylinder 1 are tumbling and adjust tappet clearance from cylinder 2 Do the same procedure for...

Страница 16: ...quential engine damage Before inserting spark plugs back into cylinder head apply appropriate anti seize compound on thread Screw in spark plugs with fingers to seat only then use Plug Socket to tight...

Страница 17: ...throttle lever screws 3 and test engine idle Idle rpm will probably be too low readjust as described above Note Do not leave throttle lever stop screws 3 loose while engine is running to test idle sp...

Страница 18: ...ng for 60 on the bolt 6 Only when the M6 holes do not correspond drill a hole 5 through the locking plate cut M6 thread till the button of the hole replace the hexagon socket screw M6x15 and fix with...

Страница 19: ...to be tested Cyl 1 WARNING Be certain that the air shutoff valve is closed and that you have a firm grip on the tip of one blade of the prop before connecting the system to your source of compressed a...

Страница 20: ...al tests conducted over a reasonable period of time If you have an abnormally low cylinder you should start the engine and run it on the ground or even fly around the pattern once Test it again If it...

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