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XLS .52A AIR

CRAFT ENGINE DIMENSION

AL DRA

WING

DI

m

ENSIONS

3-3/8"

B

 

3-1/2"

C

 

4-3/4"

D

 

2-7/8"

3-1/2"

11/16"

G

 

1-1/8"

H

 

1-7/16"

1-3/4"

2-1/16"

K

 

1-1/16"

1-7/16"

1-3/4"

N

 

7/16"

U

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ra

w

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elp

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u d

ete

rm

ine

 e

ng

ine

 m

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D

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Xls

Summary of Contents for XLS .52A

Page 1: ...tments to the needle valves Do not reach over or around the propeller Do not lean toward the engine Do not wear loose clothing or allow anything to be drawn into the spinning propeller while the engine is running l If you need to carry your model while the engine is running be conscious of the spinning propeller Keep the aircraft pointed away from you and others at all times l Do not use a tight f...

Page 2: ...The idle stop screw holds the throttle barrel in the carburetor body and also adjusts the closure of the throttle barrel We recommend adjusting the idle stop screw to allow the throttle barrel to close completely This will allow you to adjust the idle speed via your transmitter therefore you will need to set up your transmitter throttle trim lever to keep the engine at a low idle when the trim lev...

Page 3: ...sing an electric starter it is not necessary to prime the engine The starter turns the engine over fast enough that the engine draws fuel on its own Priming the engine prior to using an electric starter can cause the engine to hydro lock flood Turning the engine over with an electric starter while the engine is flooded can cause extreme damage to the engine and or cause the propeller assembly to c...

Page 4: ...tachometer this should be between a 200 300 rpm drop q 3 With the engine running at full power carefully lift the nose of the aircraft about 45º into the air The mixture should not become too lean but you may hear a slight increase in rpm If the engine sags or loses rpm when you hold the nose up the mixture is too lean If this is the case slightly richen the mixture and follow the test once more I...

Page 5: ...e you will find helpful This Quick Start Guide should not be used as a replacement for the Operating Instructions included rather it should be used along with the Operating Instructions We highly recommend reading through the Operating Instructions to familiarize yourself with each part of the engine along with the proper procedures for engine break in and tuning Engine Preparation q 1 Mount the e...

Page 6: ...olts 4 Engine does not transition A Failed and or wrong type glow plug A Replace with new recommended glow plug B Old and or wrong type fuel B Replace with new recommended fuel C High speed needle valve set too rich C Set high speed needle valve to leaner setting D Low speed needle valve set too lean D Set low speed needle valve richer E Low speed needle valve set too rich E Set low speed needle v...

Page 7: ...buretor Base O Ring 282412 40845 Low Speed Needle Valve O Ring 282452 46845F High Speed Needle Valve O Ring 282501 91137 Fiber Washer 282608 46837F Idle Stop Screw with Nut 283022 S40801F Carburetor Assembly Complete 283023 S40803F Carburetor and Rear Needle Valve Assemblies 284206 12830 High Speed Needle Valve Seat 284220 S52103X Cylinder Head 284221 S52112 Cylinder Head Gaskets 2 284222 S52203 P...

Page 8: ...DIMENSIONS A 3 3 8 B 3 1 2 C 4 3 4 D 2 7 8 E 3 1 2 F 11 16 G 1 1 8 H 1 7 16 I 1 3 4 J 2 1 16 K 1 1 16 L 1 7 16 M 1 3 4 N 7 16 Use this drawing to help you determine engine mounting requirements Drawing is not to scale and is generic in nature XLS ...

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