Os-engines 18TZ(S)-T User Manual

MAX-18TZ SERIESOWNER'S INSTRUCTION MANUALIt is of vital importance, before attempting tooperate your engine, to read the general'SAFETY INST

TOOLS, ACCESSORIES, etc.The following items are necessary for operating theengine.Items necessary for startingFUELGenerally, it is suggested that the

STARTER BOXFor starting the engine.It is not necessary forthe recoil starter version.7.2V BATTERIES FOR STARTER BOXBatteries for starter box.Select ac

BASIC ENGINE PARTSHeatsink HeadExhaustCrankshaftMAX-18TZ(P)-TCrankshaftMAX-18TZ-TX11Heatsink HeadCarburetorType 11KCover PlateMounting LugsCrankcaseSt

CARBURETOR CONTROLS (11K)Needle ValveMixture Control ValveMetering NeedleThrottle StopScrewThermo InsulatorFour adjustable controls are provided onthi

CARBURETOR CONTROLS (11L)Needle ValveThrottle StopScrewMixture Control ValveThermo InsulatorThree adjustable controls are provided onthis carburetor.T

GLOWPLUGSince the compatibility of glowplug and fuelmay have a marked effect on performance andreliability, it may be worthwhile to choose theR/C type

INSTALLATION OF THE CARBURETORAs delivered, the engine has its carburetorlightly fit into the intake boss. Secure it asfollows.1. Loosen the retainer

In case of the18TZ-TXAvoid forcing the screws. Secure with locknuts.If the bottom of the recoil starter housing wouldotherwise touch the car chassis,

PRESSURIZED FUEL SYSTEMThe somewhat violent changes of vehicleattitude that occur in off-road running,combined with the fact that, in buggy typecars

Element glows when energized,Turn the needle-valve clockwise slowly untilit stops. This is the fully closed position.Do not force to turn further.Open

SAFETY INSTRUCTIONS ANDWARNINGS ABOUT YOUR O.S. ENGINE... 2-5ENGINE CONSTRUCTION, NOTES WHENAPPLYING AN ELECTRIC STARTER... 6-718T

Deliver fuel into the carburetor.Switch on the transmitter and make sure thateach linkage moves correctly.Turn the engine with starter box to draw the

Run the car on the track until one tank of fuelhas been consumed, then close the Needle-Valve 30° and run the car for another full tankof fuel. Repeat

FINAL ADJUSTMENTRun the vehicle (with throttle fully open) overthe longest available straight course, in orderto observe the model's speed. Next

Carry out adjustments patiently, under actualrunning conditions, until the engine respondsquickly and positively to the throttle control.Warning!Mixtu

The basic positions can be found by rotatingthe Metering Needle until its slotted head isflush with the ball link body.In case of the 11K carburetorBa

CARE AND MAINTENANCE1.The minute particles of foreign matter, that arepresent in any fuel may, by accumulating andpartially obstructing fuel flow, cau

Installing Dust CapsWhen storing the engine, install the cap onthe exhaust port, carburetor, etc. to preventdust from entering the engine.CHECKING THE

TROUBLE SHOOTINGFuel tank is empty.Fuel not reaching the engine.Glowplug element is burnt out.Glowplug battery dischargedFill the tank with fuel and r

Engine fires intermittently but does not run.Insufficient fuel in the tank.Fill the tank with fuel.Deteriorated glowplugReplace glowplug.Clogged fuel

Unstable idleUnsuitable glowplugUse suggested glowplug in the instructions.Unsuitable fuelDo not use extremely high nitro or low oil fuel.Add suitable

SAFETY INSTRUCTIONS AND WARNINGS ABOUTYOUR O.S. ENGINERemember that your engine is not a "toy", but a highly efficient internal-combustion m

Poor responseDeteriorated glowplugReplace glowplug.Incorrect carburetor settingsReadjust low r.p.m, range with meteringneedle and mixture control valv

MAX-18TZ(P)-T ENGINE EXPLODED VIEW* Type of screwC...Cap Screw M...0val Fillister-Head ScrewF...FIat Head Screw N...Round Head Screw S...Set ScrewC.M3

MAX-18TZ(P)-T ENGINE PARTS LISTThe specifications are subject to alteration for improvement without notice.

MAX-18TZ-T ENGINE EXPLODED VIEWC.M3X161215C.M2.6X73546713814161211109Type of screwC...Cap Screw M...0val Fillister-Head ScrewF...FIat Head Screw N...R

MAX-18TZ-T ENGINE PARTS LISTThe specifications are subject to alteration for improvement without notice.21914010Outer HeadInner HeadCylinder & Pis

MAX-18TZ(S)-T ENGINE EXPLODED VIEW9* Type of screwC...Cap Screw M...0val Fillister-Head ScrewF...FIat Head Screw N...Round Head Screw S...Set Screw101

MAX-18TZ(S)-T ENGINE PARTS LISTThe specifications are subject to alteration for improvement without notice.Outer HeadInner HeadCylinder & Piston A

MAX-18TZ-TX ENGINE EXPLODED VIEWC.M3X161219153546M.+M2.6X7147M.+M2.6X781318-218-11817161211109* Type of screwC...Cap Screw M...0val Fillister-Head Scr

MAX-18TZ-TX ENGINE PARTS LISTThe specifications are subject to alteration for improvement without notice.Outer HeadInner HeadCylinder & Piston Ass

UK CARBURETOR EXPLODED VIEW238* Type of screwC...Cap Screw M...0val Fillister-Head ScrewF... Flat Head Screw N...Round Head Screw S...Set Screw2-12-23

WARNINGSModel engine fuel is poi-sonous. Do not allow it tocome into contact with theeyes or mouth.Always storeit in a clearly marked con-tainer and o

UK CARBURETOR PARTS LISTThe specifications are subject to alteration for improvement without notice.39121982600Mixture Control Valve Assembly"0&q

11L CARBURETOR EXPLODED VIEW* Type of screwC...Cap Screw M...0val Fillister-Head ScrewF...FIat Head Screw N...Round Head Screw S...Set Screw401-111-23

11L CARBURETOR PARTS LISTThe specifications are subject to alteration for improvement without notice.4111-11-22342128590127881820218819502268131021884

O.S. GENUINE PARTS & ACCESSORIESRACING ENGINE PARTSO.S. Glow PlugP6(71641600)P7(71641700)P8(71641800)Exhaust Header PipesForSuper10 Class (7210616

O.S. GENUINE PARTS & ACCESSORIESRACING ENGINE PARTSSuper Air Cleaner 202(72412000)• 202 Cleaner Body(72412100)• 202 Filter Element (4pcs.)(7241220

18TZ(P)-T THREE VIEW DRAWINGDimensions (mm)44SPECIFICATIONSDisplacementBoreStrokePractical R.P.M.Power outputWeight3.0cc(0.183cu.in.)16.0mm (0.629 in.

18TZ-T THREE VIEW DRAWING45Dimensions (mm)DisplacementBoreStrokePractical R.P.M.Power outputWeight3.0 cc (0.183cu.in.)16.0mm (0.629 in.)15.0mm (0.590

18TZ(S)-T THREE VIEW DRAWINGDimensions (mm)46DisplacementBoreStrokePractical R.P.M.Power outputWeight3.0 cc (0.183 cu.in.)16.0mm (0.629 in.)15.0mm (0.

18TZ-TX THREE VIEW DRAWINGDisplacementBoreStrokePractical R.P.M.Power outputWeight3.0cc (0.183cu.in.)16.0mm (0.629 in.)15.0mm (0.590 in.)3,000-34,000

MEMO48

NOTESThis engine is intended for model cars.Do not attempt to use it for any otherpurpose.Mount the engine in your modelsecurely, following the manufa

GUARANTEED TOKEEP YOUR R/C CARRUNNING WELLKEEP IT CLEANDirt is the most common way to ruin your engine. If it gets inside,the dirt will act just like

KEEP IT COOLIf you run your engine good and hot, you'll have a nice chunk ofuseless aluminum in a short time.•Running the engine hot causes the o

GUARANTEED TOKEEP YOUR R/C CARRUNNING WELL(Continued)(CONTINUED)Here's how to prevent rust;• At the end of the day's running, pull the fuel

(CONTINUED)This kind of damage is not covered under the warrenty.• If the flywheel can't be tightened onto the engine without it tryingto turn ov

LIMITED WARRANTYYour engine is guaranteed to be free of defects in parts and workmanship for a period of 2 yearsfrom the date of purchase when returne

6-15 3-Chome Imagawa Higashisumiyoshi-kuOsaka 546-0003, Japan TEL. (06) 6702-0225FAX. (06) 6704-2722URL: http://www.os-engmes.co.jp© Copyright 2004 by

NOTESTo stop the engine, fully retard thethrottle stick and trim lever on the trans-mitter, or, in an emergency, cut off thefuel supply by pinching th

ENGINE CONSTRUCTIONWith this engine, the piston willfeel tight at the top of its stroke(TDC) when the engine is cold.This is normal. The cylinder bore

NOTES WHEN APPLYINGAN ELECTRIC STARTERDo not over-prime. This couldcause a hydraulic lock and damagethe engine on application of theelectric starter.I

MAX-18TZ SERIES INSTRUCTIONSThis manual handles the following four versions.MAX- 18TZ-T with 11 L carburetorMAX-18TZ(S)-T with 11 L carburetorMAX-18TZ