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Revision 2  September 2009

R

ep

lac

em

en

t p

arts

 ca

n b

e o

rde

red

 dir

ec

tly

 fro

m

 yo

ur l

oc

al M

ag

nu

m

 en

gin

ho

bb

y re

tail

er. 

If 

your 

hobby 

retailer 

does 

not 
stock 

Magnum 

engines, 

you can order replacement parts direct from us.

Global Services

18480 Bandilier Circle, Fountain V

alley

, CA
  92708

Phone: (714) 963-0329 / Fax: (714) 964-6236

Email: 

service@globalhobby

.net

XL .52RFS AIR

CRAFT ENGINE EXPL

ODED P

AR
TS VIEW

284070

281510

281
174

281
160

284265

281
160

284085

284267

284068

281507

281022

282004

284065

280109

280812

282408

281308

281307

281601

28061

1

281210

280416

281418

280709

280933

280935

280934

281
117

282002

280520

281417

280313

280210

281308

284092

284071

284069

281403

281403

284067

284067

284066

284066

284086

282450

282450

284063

282450

282309

282231

282202

282109

284064

282407

282606

282002

281903

284206

281901

281
166

282450

281803

281804

Carburetor 

Assembly (Complete)

280010

282501

282004

282501

282004

282501

284062

o

R

d

ER #

 
REFERE

nc
E #
 

d

ES

c

RIPTI

on

280010

 

52801

 

Carbureto

r Assembly - Complete

280109

 

52601

 

Muffler 

Assembly - Complete

280210

 

52228

 

Propeller 

Nut, Safety Nut, and W

asher

280313

 

52-A

 

Drive W

asher with W

oodruf

f Key

280416

 

52210

 

Cranksha

ft

280520

 

52101X

 

Crankcas

e

28061

52102

 

Backplate

280709

 

52204

 

Connectin

g Rod

280812

 

52213

 

W

rist Pin with Retainer

280933

 

52231

 

Piston

280934

 

52232

 

Sleeve

280935

 

52236

 

Piston Rin

g

281022

 

52-N

 

Cylinder H

ead with V

alves

281
117

 

521
12F
 

Cylinder H

ead Gasket Set

281
160
 

80841

 

Lock W

ashers (2) (M3)

281
166
 

12862

 

Needle V

alve Seat 

Assembly

281
174
 

80719

 

Rocker 

Arm Retaining Bolt (M3 x 16mm)

281210

 

521
11

 

Backplate

 Gasket

281307

 

52134

 

Carbureto

r Retaining Bolts (M2.5 x 20mm)

281308

 

12518

 

Inta

ke

 P

ipe

 / C

am

sh

aft 

C

ov

er B

olts

 (M

2.5

 x 8

m

m

)

281403

 

12109

 

Camshaft Ball Bearing

281417

 

52109

 

Front Ball Bearing

281418

 

521
10

 

Rear Ball 

Bearing

281507

 

160120

 

Cylinder H

ead Bolts (M3 x 18mm)

281510

 

12122

 

Valve Cov

er Bolts (M2.5 x 12mm)

281601

 

40134

 

Backplate

 Bolts (M3 x 8mm)

281803

 

12861

 

High Spee

d Needle V

alve with O-Ring

281804

 

12860

 

High Spee

d Needle V

alve 

Assembly - Complete

281901

 

12833

 

Needle V

alve Detent Spring

281903

 

12847

 

Needle V

alve Seat Gasket

282002

 

12819

 

Fuel Nipp

le with Fiber W

asher

282004

 

121
14

 

Fuel Nipp

le

282109

 

52-B

 

Rotor Bolt

282202

 

12812

 

Throttle 

Arm

282231

 

1281

Throttle 

Arm Retaining Nut

282309

 

52-C

 

Low Spee

d Needle V

alve with O-Ring

282407

 

52816

 

Carbureto

r O-Ring

282408

 

52831

 

Intake Pipe Gasket

282450

 

12845

 

O-Ring for Needle V

alves and Pushrod 

Tubes

282501

 

91

137
 

Fiber W

asher for Fuel Nipple

282606

 

52-D

 

Idle Stop Screw with Spring

284062

 

52218

 

W

oodruf

f Key

284063

 

52-E

 

Pushrod Set

284064

 

52-F

 

Intake Pipe

284065

 

52-G

 

Exhaust Pipe with Cinch Nuts (2)

284066

 

52-H

 

Intake V

alve Set

284067

 

52-J
 

Exhaust V

alve Set

284068

 

52-K

 

Rocker 

Arm 

Assembly - Complete

284069

 

52714

 

Camshaft

284070

 

FS5271

Valve Cov

er (Blue)

284071

 

52-M

 

Camshaft Housing Cover with Bolts

284085

 

80517

 

Rocker 

Arm Retaining Clip

284086

 

52729

 

Camshaft Followers (2)

284092

 

52732

 

Camshaft Cover Gasket

284206

 

12830

 

Needle V

alve Seat

284265

 

121
18

 

Rocker 

Arm Lifter Nut (M3)

284267

 

80724

 

Rocker 

Arm Lifter Bolt

Содержание XL .52RFS

Страница 1: ...he 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 fitting cowl over the engine It can restrict air from flowing over the engine which could result in engine damage from overheating For proper cooling the total cowl air exit area should be 30 g...

Страница 2: ...during flight Idle Stop Screw and Rotor Bolt The idle stop screw adjusts the closure of the throttle barrel idle speed 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 lever...

Страница 3: ...ckwise direction When using 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 ...

Страница 4: ...etween 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 IMPORTANT Rpm will increase ...

Страница 5: ...underbolt HP Glow Plug Product Number 115480 The Thunderbolt HP glow plug is designed specifically for four stroke engines and produces low idle speeds smooth transition and cooler running temperatures The glow plug is also very durable and able to withstand repeated use day after day Propeller APC 12 x 6 Propeller Product Number LP12060 We have found that XL RFS series engines run best using APC ...

Страница 6: ...e 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 valve leaner F Air leak in fuel system and or engine F Replace fuel lines and or tighten all engine bolts G Propeller too large G Use propeller within the recommended size range H Valves out of ad...

Страница 7: ...0 80841 Lock Washers 2 M3 281166 12862 Needle Valve Seat Assembly 281174 80719 Rocker Arm Retaining Bolt M3 x 16mm 281210 52111 Backplate Gasket 281307 52134 Carburetor Retaining Bolts M2 5 x 20mm 281308 12518 Intake Pipe Camshaft Cover Bolts M2 5 x 8mm 281403 12109 Camshaft Ball Bearing 281417 52109 Front Ball Bearing 281418 52110 Rear Ball Bearing 281507 160120 Cylinder Head Bolts M3 x 18mm 2815...

Страница 8: ...ard the front of the engine of the 6 o clock position q 4 Reinstall the camshaft housing cover RESETTING THE TIMING MAINTENANCE Engine maintenance should be done on a regular basis to ensure that you keep the engine running in top form especially over time Following these simple maintenance practices will ensure the long life and dependability you expect from your engine l Avoid running the engine...

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