KYOSHO GX52F エンジン
Contents
1. Trouble Shooting Engine Starting PROBLEM CAUSE TO SOLVE r Check fuel is in the fuel tank 0 Add fuel if tank is empty The engine doesn t ignite even when stick or starter l Check glow plug coil heats red is used Remove plug and connect to plug heater If coil doesn t turn red glow plug wire is broken or plug heater batteries are low Fuel is in tank and glow plug MAN A coil turns red when heated but Check fuel line is not broken or carburetor throttle is engine still doesn t start not blocked by2. UQOQOOOOLQU e st 00000 0000000000 ogg0og00 000g UU 000 UUUODUODLLUODD If the engine cuts out when accelerating from slow to high loosen the adjustment screw about 107 ata time Repeat this until acceleration is smooth from low to high U U U O0000000000000000000 UUDOODUOLODLUDLOOU The basic setting method described above can be affected by fuel air temperature and humidity TO fa fa a fa fa a af UUOUODDUOODUOODOOOLODOLDOUODODLDOODLULOUOD When engine has stabilized at a setting tightening the needle for higher rotation will require the idle and low speed settings to be readjusted ryYyYAhYT Stopping the Engine Open DLYYVEAkKy FES ZIEDI Y F EOFF RIEDI Y F OFF Stop the engine gt Turn the receiver switch OFF Then switch transmitter OFF XYIIYA Maintenance nan na UQUDOOUDOOOOODLODOL gjo 0000000 UUDODUDL 00000 s060 emove fuel fro el tank after flying OODODODOBOOQ 00000000 00000000 Drop some a small amount of anti rust oil into the mouth of the U carburetor and rotate engine with starter for about 5 6 seconds so U the oil is dispersed through the engine U m U R U U U After removing fuel fro clear the remaining fuel from inside the fuel tubes carburetor and engine by idling the engine at low speed ZO WWSSFS Ze Do the following BeOooooooooooooooooooooooooooooooooooooooooooo For first time users of model airplanes or engines please seek
3. any particles Confirm that fuel is entering the carburetor l ear r Needle valve is open Close needle valve about 1 4 or a turn Engine ignites but cuts too far out Too much fuel in engine This is called flooding or choking Remove glow plug and close the needle fully Clear the fuel by turing the engine over Once fuel is cleared reset the needle to its previous position After starting the engine Needle is open too far ___ p Close needle about 1 4 of a turn cuts out at high speed when plug heater cords are removed Plug and fuel are not compatible Change glow plug or fuel Engine stops when throttle control stick is moved from Refer to the paragraph on Idle Setting Adjustment slow to high and adjust the idle adjustment screw so the engine accelerates smoothly from slow to high DAR EXPLODED VIEW IX YUAK PARTS LIST 0000 0 00 0 0 No 0 000 Ooo 0000 0 00 0 0 No 0 0O00 Part Names Quantity No Part Names Quantity 74251 52F00 00000000000 742510000000 02 52F Piston amp Cylinder Set 09x1 10 Back Plate xi 74251 000000 74251 0000000000000 03 Piston Pin 00x1 11 Carburetor Assembly x1 742510000000000 6x1 74251 0000000000 205007 x1 0 x2 04 Connecting Rod x 12 Gasket amp O ring 4 x 4 74251 52FO 00
4. 00 000000 74251 00000 GG xi 006 x2 05 52F Head amp Crankcase QOQOODO x1 13 Screw Set 636 x4 B x5 74251 OO0000000 74251 0000000 06 Crankshaft x 14 Muffler Set xi 74251 00000000 x1 74251 000000000 G 4 2 x 1 07 Ball Bearing L 15 Tappet amp Cam Set 88 69 10 B x 2 74251 00000000 74251 0000000 08 Ball Bearing S xi 16 Piston Ring x1 74251 0000000000000 74251 09 Drive Washer amp Nut b Wxi 17 Con Bestar x2 VI FINEST RADIO CONTROL MODELS RAR ANSY www kyosho com OOUOUU 0 243 0034 000000000 153 DUDOOOUUUDOO0000 eu u 046 229 4115 QOORCOOOOOOO00 10 001 180 00 10000703 1 PRINTED IN JAPAN
5. OLDLOULDDUOLLU Turn the needle 2 2 5 turns back from its fully closed position Start the engine and gradually close the needle When the engine sound becomes clear run a full tank of fuel through S om0o00000000000000000 ooo Next set the needle to its first flight position O000000000000000000000000000 Next move the throttle stick to its slowest point Position for max speed QOOOOO00d000g Best running position ia oe o000000000 OOOO0000ddg UQOQOOOOLOU Remove plug heater Close needle a little further if engine stops UUOUODOLOLULUDLUL IDUDUDLIOOODUOODOOUDD At about this point the engine should give a sustained high pitched sound 0 5mm approx 0 5mm a UULDODUULLU UUODUUODOLU Q LLC UUUDLUDL 00000000 UUUDLUDOL UUUDDUUOL UUUDLUDODU If engine stops re adjust the throttle trim or linkages so a stable idle setting can be achieved 71 KILA Idle Setting Adjustment UUUOODDUOLODULOODLULLLUOLLOOOOLUOULLLU 000 UUOODDUOODUOODUOUODOODOULODDOLOODUOOLUODLLUDOLU Idle setting aims to set the fuel air mixture so the throttle stick control can deliver smooth acceleration from Slow to High 000 UUUDLDUULLUL 000 OO000010 000 UUODDUOODUOODOLOLOOLD If the engine stutters and stalls when accelerating from sl use a narrow O driver to tighten 10 ata time Repeat this until acceleration is smooth from low to high OOUG000dd OOOU0000gdg
6. X CE FAR IC COMMAS eR lt BRACE PCR L TL ESL Before beginning assembly please read these instructions thoroughly KYOSHO GX52F Tv uv KyOsHo KYOSHO GX52F ENGINE INSTRUCTION MANUAL No 74251 A REOKOOERSA IDIVUVIMARTIEBN ZEAI UNDER SAFETY PRECAUTIONS This engine is not a toy KPA Re TSBWETADBENMDGO ETO T LT ES Failure to follow these safety precautions may result in injury G7ONIISIEELE LY YY ict lt TK ES Uo Fasten the propeller firmly to the engine ed0 7JIMRETBEMMBELT TVIVEWMBMUTLIE L Protect your eyes with googles etc then start the engine ervIvetijata i AATAS ONERU TASTY YY ZAS DY VY ic lke ATI DHR O G EE Before starting the engine make sure there are no people nearby and do not allow people to get close to the engine OLY VV ems Eat ald FARFICHSARNS SO dH ICI lt CEDRIC ESL When starting the engine make sure there is nothing nearby that will get tangled up in the propeller ervrivemijata i ZANSOHAEADSERZL REOKOFRELT AI ZALET When starting the engine keep face awav from propeller wear protective gloves and then use the starter 7FONFMEERLESTFONIOBERMD SARL 7ONZI ME SP SBC ES Once propeller is spinning keep face away and never touch the spinning propeller RILORBIS BS PTONTORSDSMEBLTC ESV When adjusting the needle always adjust from behind the propeller e71 RIB UoOKAZTYYYAIEOTOA EEE RO T lt K ESL When adjusting the idle s
7. advice on use and etiquette from experienced users UODOOLDUDUOLDLOLODOODODUDOOOOLODODLU This model should alwavs be flown in a specialized airfield for model aircraft III ABE EDIMAL 3IDVIVIBIHEBBRU L L3 GREER CARICIA TEET Alwavs take out liabilitv insurance and register as model aircraft flier Registering as a model aircraft flier can cover vou for liabilitv insurance 14 jn GaGa aaa acacia caca caca aaa acc aaa aa DUODUUOLDLUUDOOUDOODLDLOLOOUOOOLDUODOOUODODDOLOLOLOUOOOLOODLLUDODUD Model glow fuel consists mainlv of methanol Take appropriate caution when using keep out of direct sunlight and out of reach of children at all times If fuel enters or contacts eyes or mouth rinse thoroughly with water and consult a doctor Use with fire strictly prohibited 15 JIBKA ooo cOaOOGGGGa aaa aa aa ccaoc caca aaa cacaac ooo Engine and muffler become extremely hot when running and after running Do not touch with hands or other things LY YY PBHALEAWROF 71 7R1Y
8. etting stop the engine first 74251 XXXX 1 LYYYAM Engine Components Oo Oo Oo Cy ew f 000000 Manifold ft 2AN N ae Tie UUODDUL Needle Valve i ZZ ki NY i ON UUUODDLUDLU Propeller Washer AS lt 4 A Oooogoooog HQOLUULULU 0000000 Drive Washer Crank Case Propeller Nut BEHA FORCE Fuel Tube Piping X QOOOUd0ddoO 0o00 Pipe the fuel intake to this pipe OOOO0 o0000000 Oil drain outside the model LYYY ORR Engine Starting BeOodoooooooooooooo Refer to main instruction manual and add fuel UUOOULOLDLUODLLOOLODODU UU UOUOOLUOLUOLDIUI Rotate the needle valve right clockwise to its limit This is referred to as closing the needle Where it stops 00000 is its fully closed position Open with mark as reference UUULUL UUULUL UUOLUL QO0000 225g 0000000000000 rom its fully closed position rotate left counter clockwise 2 5 turns This is referred to as opening the needle 74 nn 0 2 3mm 0000000020 3mm 0000 approx i Refer to instruction manual and switch transmitter and receiver power ON then open the throttle about 2 3mm as per the diagram UUQOQOOOLLODOU pn EO E C E EEN eel ee Plug heater not included Connect the plug heater sold se
9. moving throttle H2o0o0000000000000000000000 UUOODOUODLUULDDOLODOLUOULU Next slowly close the needle so the engine revolution speed increases The further the needle is closed the higher the engine speed can be set ByOoooooocooooooooo0o00ooo000 UUDOULUDOODODU Close the needle to the point where the sound of the engine is clear Then remove the Spark Booster 0 ULL R N le Position OOo OOo OOo EEE EE Eee Oo Oooooo Oooooo dqoooo Oooooo ema of cf co a U U U U U U U U U U U U U U U U U U iz C UUOODOUDLUDODDUO0U UULOLUDOOOLOOU 00000 Open until throttle becomes circular XIDUULODLULLUODLU UUUDOUODODDODUODLUOLODUO radually close the needle until the engine sound becomes clear U U G UUUDLDUDODLLUL Close needle to increase the speed of engine to its highest sustainable point Closing needle anv further causes the engine to strain or cut out The best needle position is just before the engine reaches its highest sustainable speed The basic setting method described above can be affected by fuel air temperature and humidity UUDOD2025000U 211 2 5 needle turns UUODOQU Best position for first flight UUODUOUOOLUODLU El Breaking In the Engine U UUOUODOUOLUUDODOLOOLOODLUODODD Become familiar with each new engine component ooggggoooo000 M2s000000000 UUUDUUDLUODODLOOLOOODLLUODODO DUODOUDLIDUO
10. parately to the glow plug and heat the plug until it s coil glows red UOUOLODOOOOUOODOUODOLOLLU If using a starter to start the engine UUUOLOLODOLDODODODIODULOIOOODOOLULUL nana Oa ooo oo ooo OOC a UUOOODOLOLL Push the starter wheel against the engine spinner and switch on the 000000000 starter to spin the propeller Hold on to the airplane firmly while doing this Z Spinner not included B DIL 0 OTTO OOOO OOD Oooo Oooo OO OOOOO OOOOOOOUO00000000000000000000000 this for 3 4 seconds at a time If engine doesn t start remove the arter and switch off Repeat this as necessary oooo OOOO QUQOUODU OOO O0 OOOO JQUQOUDODU QUQDU 0o00 OOO OOCOUd0g OOOO OO0d0g OOOO QUQUUOUUOOOOOOODOU If engine ignites and rotates proceed to next step But if too much fuel enters the engine and it cannot rotate even with the starter the engine has flooded or choked If this happens remove the glow plug and rotate the engine with the starter to remove fuel ooo0c00000000000 G00000000 0000000000 After removing fuel from the engine repeat steps B 2 i counter clockwise i U U 0 U U U U RB LORS Needle Adjustment gfoo00000000000000000000000 nana Goa Oa JONIDEBEERLU TK SLY Once engine is running slowly move the throttle control stick upwards so the throttle is fully open Be sure to keep everything clear of the propeller before
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