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QUANTITY

PART #

DESCRIPTION

1

30-E

Valve Pushrod Set

1

30-H

Valve Set

1

30-K

Rocker Arm Set

1

30-L

Rocker Arm Cover with Screws

1

30-M

Cam Gear Cover with Screws

1

30-N

Cylinder Head with Complete Valve Set

1

52-B

Carburetor Rotor Bolt Set

1

12114

Fuel Nipple - No Gasket

4

12126

Backplate Bolt Set

2

12518

Intake Pipe Screws

1

12811

Throttle Arm Lock Nut

1

12812

Throttle Arm

1

12814

Throttle Barrel Spring

1

12819

Fuel Nipple

1

12845

Needle Valve O-Ring

1

12833

Needle Valve Detent Spring

1

28110

Rear Bearing

1

30101

Crankcase

1

30102

Backplate

1

30108

Fixed Length Bushing

1

30109

Front Bearing

1

30210

Crankshaft

1

30111

Backplate Gasket

2

30112

Cylinder Head Gasket Set

1

30113

Carburetor Hold Down Bolt

1

30204

Connecting Rod

1

30213

Wrist Pin Assembly

1

30219

Drive Washer

1

30228

Prop Nut and Washer Set

1

30231

Piston

1

30232

Cylinder Sleeve

1

30236

Piston Ring

1

30601

Muffler Assembly with Exhaust Pipe

2

30709

Cam Gear Bearing Set

1

30714

Cam Gear

1

30732

Cam Gear Cover Gasket

1

30801

Carburetor Assembly - Complete

1

30813

Throttle Barrel

1

30844

Idle Mixture Screw

1

30863

Carburetor Body with Spray Bar

1

52831

Intake Pipe Gasket

1

52860

Needle Valve Set - Complete

1

52861

Needle Valve with O-Ring

4

80122

Head Bolt Set

To order replacement parts, visit your nearest

Magnum Engines dealer or call the Magnum

Engines Service Center direct at 1-714-963-0329.

Parts are listed here in numerical order.

PARTS LIST

Summary of Contents for XL .30RFS

Page 1: ...e while it is running N Mount the engine securely in the airplane or on a suitable engine test stand to run the engine Follow the mounting instructions in your kits instruction manual or on the plans for individual mounting recommenda tions Do not clamp the engine in a vise to test run it N Use the recommended size propeller and follow the proper procedure for mounting the propeller Use the correc...

Page 2: ...or during ex treme aerobatic flight If mounting your engine inverted it is advised to lower the fuel tank so the stopper is slightly below the high speed needle valve Doing this will prevent fuel from siphoning into the engine and flooding it when the fuel tank is full If you cannot lower the fuel tank far enough we suggest lowering it as far as can be allowed in your particular application The si...

Page 3: ...needle in until it stops From this point turn the needle out 2 complete turns This is the factory setting BREAK IN PROCEDURE Note The XL 30RFS engine is a ringed engine A ringed engine is designed differently than a typical ABC designed engine that you might be more familiar with therefore you will not feel much hesitation as the pis ton moves through the top of the stroke A ringed engine does not...

Page 4: ...arefully turn the adjustment screw clockwise until the rocker arm touches the feeler gauge Using a small wrench tighten the lock nut q 5 Remove the feeler gauge and double check the gap Repeat step 4 if necessary to achieve the correct setting Repeat for the second valve SERVICE MAINTENANCE q Avoid running the engine under dusty conditions If you are in a dusty environment we suggest using an air ...

Page 5: ...ow starter is an excellent choice for heating the glow plug It uses a Sub C Nicad includes a meter to determine the quality of your glow plug and it also includes a charger to recharge the battery It s a very economical product to purchase and can be used with any engine that uses a glow plug q Motor Mount Hayes Motor Mount 011 The Hayes motor mount is a glass filled type that mounts to a ply wood...

Page 6: ...r wrong type fuel B Replace with new recommended fuel C High speed needle valve set too rich C Reset high speed needle valve to leaner setting D Idle mixture set too lean D Set idle mixture richer E Idle mixture set too rich E Set idle mixture 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 Replace with one size smaller pr...

Page 7: ...PARTS BREAK DOWN ...

Page 8: ...kshaft 1 30111 Backplate Gasket 2 30112 Cylinder Head Gasket Set 1 30113 Carburetor Hold Down Bolt 1 30204 Connecting Rod 1 30213 Wrist Pin Assembly 1 30219 Drive Washer 1 30228 Prop Nut and Washer Set 1 30231 Piston 1 30232 Cylinder Sleeve 1 30236 Piston Ring 1 30601 Muffler Assembly with Exhaust Pipe 2 30709 Cam Gear Bearing Set 1 30714 Cam Gear 1 30732 Cam Gear Cover Gasket 1 30801 Carburetor A...

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