O.S. engine MAX-28XZ Instruction Manual Download Page 20

Page: 20 / 21

(71641300)

(72106300)

(71641400)

(72106135)

(72106130)

(72106090)

(72106440)

(72101272)

(22826140)

(72106130)

(72106440)

(22826140)

(72106042)

O.S. GENUINE PARTS & ACCESSORIES

GLOWPLUG

T-2060SC WN
TUNED SILENCER ASSEMBLY

Exhaust Seal Ring (2pcs.)

Joint Spring (3pcs.)

M2000SC EXHAUST
HEADER PIPE ASSEMBLY

Header Pipe Spring (2pcs.)

Exhaust Seal Ring (2pcs.)

T-2060SC WN TUNED
SILENCER COMPLETE SET

T-2060SC WN
Tuned Silencer Assembly

M2000SC
Exhaust Header Pipe Assembly

(72106430)

(72101272)

(22826140)

M2000 EXHAUST
HEADER PIPE ASSEMBLY

Header Pipe Spring (2pcs.)

Exhaust Seal Ring (2pcs.)

T-2060WN TUNED
SILENCER ASSEMBLY

SUPER JOINT TUBE21

(71812000)

(71812100)

(71801100)

(71813000)

(71813100)

(71801100)

(71521000)

(72413000)

(72413200)

LONG SOCKET WRENCH
WITH PLUG GRIP

DUST CAP SET

3mm

(73300305)

8mm

(73300812)

16mm

(73301612)

18mm

(73301812)

SUPER AIR CLEANER 203

203 Filter Element (4pcs.)

(5pcs.)

(3pcs.)

The specifications are subject to alteration for improvement without notice.

28XZ HYPER FLYWHEEL SET
(For MUGEN)

28XZ HYPER FLYWHEEL SET
(For KYOSHO)

28XZ Hyper Flywheel MUGEN

Collet

28XZ Hyper Flywheel KYOSHO

Collet

Summary of Contents for MAX-28XZ

Page 1: ... etc are accessible for checking at the same time Expressly for 1 8 off road truck Truggy racing competitions 1 2 5 6 7 8 14 15 19 23 27 29 24 26 30 33 9 16 34 35 17 18 10 12 13 CONTENTS INSTALLATION OF THE CARBURETOR ENGINE INSTALLATION STARTING THE ENGINE RUNNING IN Breakinh in FINAL ADJUSTMENT CARE AND MAINTENANCE CHECKING THE ENGINE TROUBLE SHOOTING ENGINE EXPLODED VIEW PARTS LIST CARBURETOR E...

Page 2: ... extreme circumstances even fatal injury These cover the many other possibilities generally less obvious sources of danger but which under certain circumstances may also cause damage or injury 3 WARNINGS Model engine fuel is poi sonous Do not allow it to come into contact with the eyesormouth Alwaysstore it in a clearly marked con tainer and out of the reach of children Model engine fuel is also h...

Page 3: ...tle arm is secure For their safety keep all onlookers especially small children well back at least 20 feet or 6 meters when preparing your model for running NOTES 5 NOTES To stop the engine fully retard the throttle stick and trim lever on the trans mitter or in an emergency cut off the fuel supply by pinching the fuel delivery line from the tank Warning Immediately after a glowplug ignition engin...

Page 4: ...ct running clearance when they reach operating temperature Near TDC Slight taper When the engine is cold When the engine is hot 7 NOTES WHEN APPLYING AN ELECTRIC STARTER Do not over prime This could cause a hydraulic lock and damage the engine on application of the electric starter If over primed remove glowplug close needle valve and apply starter to pump out surplus fuel Cover the head with a ra...

Page 5: ...e according to the car chassis NOTE Please do not run on a public street this could cause serious accidents personal injuries and or propetry damage Please do not run near pedestrians or small children Please do not run in small or confined areas Please do not run where loud noises can disturb others such as hospitals and residential areas While Operating NOTES ON OPERATION 9 Standard accessories ...

Page 6: ... This is to use with joint tube connection type silencer 11 TOOLS HEX SCREWDRIVER SCREWDRIVER Necessary for engine installation 1 5mm 2mm 2 5mm Necessary for carburetor adjustments No 1 No 2 etc LONG SOCKET WRENCH WITH PLUG GRIP Recommended for easy removal and replacement of the angled and recessed glowplug the O S Long Socket Wrench incorporates a special grip FUEL Generally it is suggested that...

Page 7: ...ILICONE FUEL LINE Heatproof silicone tubing of approx 5mm o d and 2mm i d is required for the connection between the fuel tank and engine 7 2V BATTERIES FOR STARTER BOX Batteries for starter box Select according to the starter box used Be sure to full charge before using Model engine fuel is also highly flammable Keep it away from open flame excessive heat sources of sparks or anything else which ...

Page 8: ... of nitromethane unless more is essential for racing events Do not run the engine too lean and do not leave the battery connected while adjusting the needle With a glowplug engine ignition is initiated by the application of a 1 5 volt power source When the battery is disconnected the heat retained within the combustion chamber remains sufficient to keep the plug filament glowing thereby continuing...

Page 9: ... 9mm Blue Standard with the carburetor when it leaves the factory 8mm Red Supplied with the engine Replace when re quired Suitable for technical narrow and bumpy course and when less fuel consumption is more important INSTALLATION OF THE STANDARD ACCESSORIES 17 INSTALLATION OF THE CARBURETOR As delivered the engine has its carburetor lightly installed in the intake boss Secure it as follows Loosen...

Page 10: ...YSTEM Before starting the engine always check the tightness of all the screws and nuts especially those of joint and movable parts such as throttle arm Missing retightening the loose screws and nuts often causes the parts break age that is capable of harming you Never run your vehicle without installing the air cleaner Dust and dirt that may otherwise be drawn into the engine will rapidly shorten ...

Page 11: ...ox 3 turns opened from the fully closed position Throttle is set approx 0 5mm open Approx 0 5mm open factory setting with the reducer removed 21 Metering needle and mixture control valve are set at basic position Refer to P26 Turn the engine with starter box to draw fuel into the engine Fuel Deliver fuel into the carburetor Fuel tank side Now connect glowplug battery lead to heat the plug filament...

Page 12: ...osition before starting the engine When the engine starts warm it up by repeatedly increasing the rpm to medium speed and back again to a fast idle with the mixture set very rich the glowplug connected and the driving wheels clear of the ground The rich mixture will provide adequate lubrrication and cooling indicated by profuse exhaust smoke 23 The position of the needle valve when starting the en...

Page 13: ...osition light smoke is visible during high speed running and the engine rpm increases smoothly during acceleration Remember that if the engine is operated with the fuel air mixture slightly too lean it will overheat and run unevenly As with all engines it is advisable to set both the needle valve and metering needle slightly on the rich side of the best rpm setting as a safety measure With the eng...

Page 14: ... any fuel may by accumulating and partially obstructing fuel flow cause engine performance to become erratic and unreliable O S Super Filters large and small are available as optional extras to deal with this problem One of these filters installed to the pickup tube inside your refueling container will prevent the entry of foreign material into the fuel tank It is also recommended that a good in l...

Page 15: ...GINE Iftheenginewillnotdevelopnormalperformance after long time running due to wearing of parts It is suggested to replace necessary parts when the following symptoms are detected Engine sound changes and easily overheats Power has dropped extremely Idle is unstable and or engine tends to stop at idle In most cases ball bearings cylinder piston assembly connectingrodand orcrankcasehave become worn...

Page 16: ...ncorrect servo linkage Connect correctly after setting servo at neutral Reverse rotating direction of starter box Mare sure it rotates counter clockwise seen from crankshaft side TROUBLE SHOOTING 31 Symptom Cause Corrective action Engine fires intermittently but does not run Insufficient fuel in the tank Fill the tank with fuel Deteriorated glowplug Replace glowplug Clogged fuel filter Air cleaner...

Page 17: ...ng Check the connections and secure them Fuel tubing from tank is split or broken Replace the tubing 33 Symptom Cause Corrective action Symptom Cause Corrective action Poor response Deteriorated glowplug Replace glowplug Incorrect carburetor settings Readjust low r p m range with metering needle and mixture control valve Incorrect setting of transmitter Exponential function Check the transmitter s...

Page 18: ...2843200 22843100 23914100 22841410 22843000 22846000 21817000 22845000 22848010 23981740 24881824 23731000 22841000 23730020 22842000 23764020 22847000 71641300 22841410 22826140 71533000 22615000 22884250 Outer Head Inner Head Head Gasket 0 2mm 2pcs Head Gasket 0 1mm 2pcs Cylinder Piston Assembly Piston Pin Piston Pin Retainer 2pcs Connecting Rod Carburetor Complete Type 21J Carburetor Retainer A...

Page 19: ...27881820 22848210 71533010 22615000 23618197 46066319 23618194 23818176 22848160 27881820 23781600 46066319 22781800 22848110 23781110 29015019 Ball Link No 3 Retaining Screw Dust Cover Metering Needle Assembly O Ring 2pcs Slide Valve Carburetor Reducer 9mm BLUE O Ring Needle Assembly O Ring Needle Holder Assembly Fuel Inlet No 9 Throttle Stop Screw O Ring Mixture Control Valve Assembly O Ring L 2...

Page 20: ...Assembly 72106430 72101272 22826140 M2000 EXHAUST HEADER PIPE ASSEMBLY Header Pipe Spring 2pcs Exhaust Seal Ring 2pcs T 2060WN TUNED SILENCER ASSEMBLY SUPER JOINT TUBE21 39 71812000 71812100 71801100 71813000 71813100 71801100 71521000 72413000 72413200 LONG SOCKET WRENCH WITH PLUG GRIP DUST CAP SET 3mm 73300305 8mm 73300812 16mm 73301612 18mm 73301812 SUPER AIR CLEANER 203 203 Filter Element 4pcs...

Page 21: ...28 96 4 3 3 45 Displacement Bore Stroke Practical R P M Power output Weight SPECIFICATIONS THREE VIEW DRAWING Dimensions mm C Copyright 2007 by O S Engines Mfg Co Ltd All rights reserved Printed in Japan 60091970 060805 TEL 06 6702 0225 FAX 06 6704 2722 6 15 3 Chome Imagawa Higashisumiyoshi ku Osaka 546 0003 Japan URL http www os engines co jp ...

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