O.S. engine MAX-105HZ-R, Instruction Manual

Page 1: ...io control equipment etc are accessible for checking at the same time OS creme CONTENTS SAFETY INSTRUCTIONS AND WARNINGS ABOUT YOUR O S ENGINE 2 5 STARTING 25 28 NOTES ON INSTALLING COOLING FAN ANDCLU...

Page 2: ...extreme circumstances even sources of danger but which under fatal injury certain circumstances may also cause damage or injury Never touch or allow any Never operate your engine in an en object to co...

Page 3: ...20 feet or 6 meters when preparing your model for flight If you have to carry the model to the take off point with the engine running be especially cautious Hold the rotor securely and keep well clear...

Page 4: ...Bese asal Rsed It is recommended to use Crankshaft Clamp 91 105 Code No 71530520 available as an optional tool With this engine the cover plate cannot be removed when the piston is at BDC due to engi...

Page 5: ...apply starter to pump out surplus fuel Cover the head with a rag to prevent pumped out fuel from getting into your eyes OS come Linking the throttle servo to the carburetor Link the throttle servo to...

Page 6: ...sent by pressure is regulated by the regulator installed just ahead of the carburetor then sent into the engine The new silencer PowerBoost 105 has also been developed to match the 105HZ R While the...

Page 7: ...ery leads These are used to conduct current Make sure glowplug element from the battery to the glowplug glows bright red inside room Basically two leads with clips are or shadow required but for great...

Page 8: ...t smoke or allow anyone else to smoke near to it OS ane E TOOLS O S SPEED Driver Tools 14 Sa sy S x Sy e Zo A A A Z L Z g Paa Aa A L ZA a a O S SPEED Plug Wrench Z SYS SR Phillips Screwdriver No 1 No...

Page 9: ...y Glow plug Washer 16 17 INSTALLATION OF THE ENGINE CORRECT o GF Front view Side view Top surfaces are in the same plane INCORRECT x a 14 Top surfaces are not Top surfaces are not in the in the same p...

Page 10: ...ulater Do not force it or damage to the Thermo Insulater and or crankcase can occur 3 Rotate the retainer screw gently until it stops then tighten a further 90 120 degrees Do not over tighten the scre...

Page 11: ...etched Be aware of the direction It is suggested to install a stopper as shown in the sketch e When refueling remove this stopper to release pressure in the fuel tank e Connect the fuel line to the ni...

Page 12: ...e means of manually adjusting the mixture control valve By setting the Mixture Control Screw for the best idling performance the mixture control valve automatically ensures that fuel is accurately met...

Page 13: ...ally available fuel stopper etc Release the stopper before starting the engine 2 Make sure that plug element glows red and install the plug in the cylinder head 24 25 E GRADUATIONS ON THE CARBURETOR B...

Page 14: ...buretor inlet 7 Preparation of starting Make sure that the transmitter throttle stick is at the fully closed position and the throttle trim at center position and make sure that idle up switch on the...

Page 15: ...nning in or breaking in This allows the working parts to mate together under load at operating temperature However because O S engines are made with the aid of the finest modern precision machinely an...

Page 16: ...mixture is too rich Correct this condition by turning the Mixture Control Screw clockwise 5 degrees If the mixture is extremely rich engine rpm will become unstable opening the throttle will produce...

Page 17: ...lean In this case land the model immediately and readjust thw High Speed Needle Valve to a richer setting 4 Having now found the optimum setting for the High Speed Needle Valve re check the engine s i...

Page 18: ...between the fuel tank and carburetor and furthermore that this filter is frequently cleaned to remove foreign matter that accumulates on the filter screen Finally occasionally remove the needle valve...

Page 19: ...ral times by hand 36 37 CARE AND MAINTENANCE e Install an in line fuel filter between the tank and carburetor to prevent foreign matter in the tank from entering the carburetor e Clean these filters p...

Page 20: ...correct carburetor settings Return the needle valve and mixture control valve to basic position Incorrect servo linkage Reconnect linkage after setting servo at neutral Reverse rotating direction of e...

Page 21: ...cted or disconnected Check the connections and secure them Fuel tubing from tank to is split or broken Replace the tubing Samang 40 Poor response Cause Corrective action Deteriorated glowplug Replace...

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Page 23: ...05 Ratchet Spring 4 29088320 Mixture Control Valve Assembly 10 29088800 Reguretor Assembly 4 1 27881810 O Ring L 2pcs 10 1 22681953 Fuel Inlet Nipple No 1 4 2 27881800 O Ring S 2pcs 11 29088980 Needle...

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Page 25: ...75hp 15 000 r p m lll weight 608 4 g 21 46 oz o NI UNF 5 16 24 Ty 4 N 43 61 Dimensions mm 48 LITY_ PRECISION ye ous Ppp Y UN kg eS pe Y Us cw NG THESianpanos OF GS ENGINES MFG CO LTD 6 15 3 Chome Imag...