Magnum XL 1.80RFS Operating Instructions Manual Download

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281160

Valve Tappet Lock Washer

281166

Needle Valve Holder Assembly

281170

Rotor Bolt

281308

Cam Gear Cover Bolt Set

281423

Cam Gear Ball Bearing

281506

Cylinder Head Bolt Set

281705

Carburetor Mounting Bolt Set

281803

High-Speed Needle Valve w/O-Ring

281804

Needle Valve Assembly - Complete

281901

Detent Spring

281903

Needle Valve Holder Gasket

282002

Fuel Nipple w/Gasket

282004

Fuel Nipple Only

282130

Throttle Barrel Spring

282310

Low-Speed Needle Valve w/O-Ring

282412

O-Ring for Low-Speed Needle Valve

282450

O-Ring for Pushrod Tube/HSNV

282501

Fuel Nipple Gasket Only

284020

Throttle Arm

284036

Front Ball Bearing

284037

Rear Ball Bearing

284085

E-Ring Retainer

284101

Backplate Bolt Set

284132

Exhaust Pipe w/Mounting Nuts

284137

Intake Pipe Mounting Bolts

284152

Backplate Gasket (Clear)

284157

Rocker Cover Bolt Set

284161

Drive Washer Set

284166

Woodruff Key

284206

Needle Valve Holder

284265

Valve Tappet Retaining Nut

284267

Valve Tappet Screw

284300

Crankcase

284301

Backplate

284302

Connecting Rod

284303

Crankshaft

284304

Wrist Pin & Retainer

284305

Propeller Washer

284306

Piston

284307

Cylinder Sleeve

284308

Piston Ring

284309

Propeller Nut & Safety Nut

284310

Muffler Assembly

284311

Muffler Only w/Nipple

284312

Rocker Cover

284313

Rocker Arm

284314

Cam Gear

284315

Carburetor Assembly

284316

Throttle Barrel

284317

Intake Pipe Gasket

284318

Carburetor Body w/Spray Bar

284319

Fuel Tubing

284320

Intake Pipe

284321

Bolt Set

284322

Pushrod

284323

Drive Washer Spacer

ENGINE REPLACEMENT

PARTS LIST

AND MAINTENANCE

GUIDE

284324

Gasket Set

284325

Valve Set (Intake & Exhaust)

284326

Rocker Arm Set

284327

Pushrod Assembly

284328

Cam Gear Cover w/Gasket

284329

Cylinder Head w/Valves

284330

Carburetor Mounting O-Ring

XL 1.80RFS

TO ORDER REPLACEMENT

PARTS, PLEASE VISIT YOuR

LOCAL MAGNUM ENGINE

DEALER FIRST. IF YOUR LOCAL

DEALER DOES NOT STOCK

MAGNUM ENGINE PARTS,

PLEASE CONTACT US DIRECTLY

Global Services

18480 Bandilier Circle

Fountain Valley, CA 92708

Phone: (714) 963-0329

Fax: (714) 964-6236

Email: [email protected]

http://globalservices.globalhobby.com

Revision 1 August 2005

Summary of Contents for XL 1.80RFS

Page 1: ...an also pinch the fuel line to stop the engine but only if it is accessible Do not throw anything into the spinning propeller or attempt to use your hands to stop the engine While the engine is running stand behind the engine to make any adjustments 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 ...

Page 2: ...an remove the carburetor and reinstall it in the opposite direction with no effect on performance To remove the carburetor loosen the two screws holding the intake manifold in place Next remove the two screwsholdingthecarburetor to the engine and remove it by gently pulling it down off the intake pipe Installation is the reverse of disassembly Be careful not to damage the O ring when reinstalling ...

Page 3: ...le valve is preset from the factory for initial starting and break in Do not adjust it until after the engine is broken in The low speed needle valve regulates the air fuel mixture at idle and during transition from idle to full throttle Turn the needle valve screw clockwise to lean the mixture Turn it counterclockwise to richen the mixture The low speed needle valve screw is preset from the facto...

Page 4: ...g on the high speed needle valve and you can begin to fine tune the needle valve settings to increase performance BREAK IN PROCEDURE Now that your engine is broken in you can set the high and low speed needle valves for optimum performance Please jump to the top of the next column OPTIMIZING THE MIXTURE SETTINGS WARNING Be careful never to lean the engine out too much Remember that the lubricants ...

Page 5: ...Tappet Screw 284300 Crankcase 284301 Backplate 284302 Connecting Rod 284303 Crankshaft 284304 Wrist Pin Retainer 284305 Propeller Washer 284306 Piston 284307 Cylinder Sleeve 284308 Piston Ring 284309 Propeller Nut Safety Nut 284310 Muffler Assembly 284311 Muffler Only w Nipple 284312 Rocker Cover 284313 Rocker Arm 284314 Cam Gear 284315 Carburetor Assembly 284316 Throttle Barrel 284317 Intake Pipe...

Page 6: ...re tight including the muffler and exhaust pipe cinch nuts Periodically check your fuel system including the plumbing inside the fuel tank for leaks or cracks We recommend changing the silicone fuel tubing inside and outside the fuel tank at the start of every flying season or about once a year Long Term Storage If you will not be using your engine for a long period of time such as during the wint...

Page 7: ...el Be sure to tighten the cinch nuts securely to prevent the muffler and exhaust pipe from loosening 3 Install the propeller to the engine using the propeller washer propeller nut and the safety nut provided Tighten the nuts securely using an adjustable wrench 4 Connect the fuel lines to the carburetor and to the muffler Make sure that the silicone crankcase return tube is connected between the cr...

Page 8: ... close completely completely 6 Engine overheats A Engine running too lean A Richen high speed needle valve B Cowl too restrictive B Open larger vents in cowling to allow air to exit C Wrong type of fuel used C Use fuel with recommended oil content D Engine not fully broken in D Allow engine further break in time 7 Engine stops abruptly A Engine running too lean A Richen high speed needle valve B P...

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Magnum XL 1.80RFS, Operating Instructions Manual

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