Robin America SP210 Manual de Serviço

SERVICEMANUALEX13, 17, 21, 27SP170, SP210ENGINESModelsPUB-ES1934Rev. 06/09

- 6 -2000 2400 2800 3200 3600 400000.51.01.52.02.53.03.54.05.001.02.03.04.09.08.07.06.05.06.56.05.54.515.016.017.018.019.07.0kW[HP]MAXIMUM TORQUEMAXIM

- 7 -3. FEATURES3-1 EXTREMELY SILENT - SOFT TONE QUALITYEX engines are 2dBA quieter and softer in tone than other engines in the same class.This quiet

- 8 -4-1 CYLINDER AND CRANKCASEThe cylinder and crankcase are aluminum die-castingas a single piece. A special cast iron cylinder liner ismolded into

- 9 -4-5 PISTON RINGSThe piston rings are made of special cast iron. The profile of the top ring is a barrel face or tapered face, andthat of the seco

- 10 -4-13 IGNITION SYSTEMThe ignition system is a transistor controlled magnetosystem with the ignition timing set at 23 degrees (EX13/17/21)[27 deg

- 11 -4-14 CARBURETORThe engine is equipped with a horizontal draftcarburetor. The carburetor setting is calibrated aftercareful testing for optimum a

- 12 -Fig. 4-16TANK CAPFUEL TANKBLOWER HOUSINGSTARTING PULLEYRECOIL STARTERFLYWHEEL CHARGE COIL(OPTION)OIL SENSOR(OPTION)MAIN BEARING COVERCONNECTING

- 13 -Fig. 4-17FUEL TANKOIL GAUGEOIL DRAIN PLUGTIMING CHAINFILLER PLUGPISTON PINPISTON RINGCONNECTING RODSTARTINGMOTOR(OPTION)MAGNETICSWITCHMUFFLERPIS

- 14 -Fig. 5-15. DISASSEMBLY AND REASSEMBLY5-1 PREPARATIONS AND PRECAUTIONS(1) When disassembling the engine, memorize the location of each part so th

- 15 -Step Parts to remove Remarks and procedures Fasteners1 Drain the engine oill (1) Remove a drain plug (M14×12mm)located on both sides of the case

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- 16 -Fig. 5-3Step Parts to remove Remarks and procedures Fasteners2Air cleaner cover Remove the air cleaner cover.3Air cleaner Remove the element, an

- 17 -Fig. 5-4STEP 4STEP 5STEP 6STEP 6M6 x 8 BOLT : 4 pcs.M6 x 12 BOLT : 4 pcs.STOP SWITCHBAFFLE 2 (HEAD)BAFFLE 3(EX21 ONLY)M4 TAPPING SCREW : 2 pcs.R

- 18 -AASTEP 7STEP 8FUEL TANKM6 x 25 BOLT : 1 pc.(EX13, 17, 21)M8 x 25 BOLT : 2 pcs.(EX27) M6 NUT : 2 pcs.(EX13,17,21)M8 NUT : 2 pcs.(EX27)M8 NUT : 2

- 19 -Fig.5-7Step Parts to removeRemarks and proceduresFasteners9Governor system (1) Loosen the bolt and remove the governorlever from the governor sh

- 20 -STEP 12STEP 13STEP 14GROMMET(EX13,17,21 only)STARTING PULLEYFLYWHEELM14 NUT : 1 pc. (EX13,17,21)M18 NUT : 1 pc. (EX27)M6 x 25 BOLT and WASHER :

- 21 -ELECTRIC STARTER (option)STEP 15UPPER SIDE M6 x 30 FLANGE BOLT : 1 pc.DOWN SIDE M6 x 20 FLANGE BOLT : 1 pc. EX17, 21EX27 M8 x 28 BOLT : 2 p

- 22 -Fig.5-12Step Parts to remove Remarks and procedures Fasteners16Baffle 1 (case) Remove the baffle 1 (case) M6 × 12mm : 1 pc.(Models EX13, 17 and

- 23 -Fig. 5-14aStep Parts to remove Remarks and procedures Fasteners19Rocker cover (1) Remove the rocker cover from thecylinder head.(2) Remove the g

- 24 -Fig. 5-16Step Parts to remove Remarks and procedures Fasteners21Main bearing cover (1) Remove the flange bolts of main bearingcover from the cra

- 25 -TENSIONERSPRING(TENSIONER)CHAINPIN (TENSIONER)PIN (CAMSHAFT)CAMSHAFTCHAINSTEP 22STEP 22M6 x 12 BOLT : 1 pc.Bolt used to prevent the pin (camshaf

Please be advised that this service manual also covers the SP170 and SP210 engines. These models have been designed based on our Premium Consumer EX17

- 26 -Fig.5-20Fig.5-21Step Parts to remove Remarks and procedures Fasteners23Cylinder head,Chain guide(1) Remove the cylinder head from thecrankcase.(

- 27 -Step Parts to remove Remarks and procedures Fasteners25Connecting rod andpiston(1) Scrape off any carbon from the cylinderand the piston head, t

- 28 -Step Parts to remove Remarks and procedures Fasteners27Crankshaft (1) Remove the woodruff key (for the flywheelmagneto).(2) Remove the crankshaf

- 29 -OIL SENSORSHIELD PLATE(OS)M6 x 12 BOLT : 1pc. M6 x 16BOLT : 2pcs. CLAMP(1) OIL SENSOR(a) Mount the oil sensor and fix the wire with the clamp.(

- 30 -(3) PISTON AND PISTON RINGSInstall each piston ring in the correct groove ofthe piston by widening it enough to slide it overthe piston.NOTE: Be

- 31 -(4) PISTON AND CONNECTING RODThe piston is attached to the connecting rod bythe piston pin.When assembling the piston and connecting rod,make su

- 32 -(b) Rotate the crankshaft down to the bottom dead centerand lightly tap the piston head until the large end ofthe connecting rod touches the cra

- 33 -(7) CHAIN GUIDEMount the chain guide to the crankcase.Fig. 5-39bModel EX21mounting positionModels EX13, 17 and 27 mounting positionsCHAIN GUIDEF

- 34 -TIMING MARKThe position of top dead centerMARK PLATEMARK PLATEMARK PLATEMARK PLATEMARK PLATEMARK PLATETIMING MARKROLL PINROLL PINROLL PINTIMING

- 35 -TENSIONERSPRING(TENSIONER)CHAINPIN(TENSIONER)PIN(CAMSHAFT)CAMSHAFTCHAINM6 x 12 BOLT : 1 pc.Bolt used to prevent the pin (camshaft) from coming o

CONTENTSSection Title Page1. SPECIFICATIONS ... 12.

- 36 -(13) MAIN BEARING COVERApply oil to the bearing and the oil seal lip when mounting the main bearing cover. Also apply sealant(Three Bond ì1215î)

- 37 -(15) VALVE CLEARANCE ADJUSTMENTTemporarily fit the flywheel.Rotate the crankshaft up to the compression topdead center and insert the thickness

- 38 -(16) ROCKER COVERReplace the gasket with a new one, and mountthe rocker cover.M6 ✕ 12mm flange bolt : 4 pcs.SPARK PLUGROCKER COVERM6 x 12 BOLT :

- 39 -Fig. 5-51Air gapFig. 5-52Fig. 5-53FLYWHEELSTARTING PULLEYIGNITION COILTHICKNESSGAUGETo STOP SWITCH(19) FLYWHEEL AND STARTING PULLEYNOTE: When mo

- 40 -Fig. 5-54M6 x 12 BOLT : 2 pcs.M6 x 12 BOLT : 1 pce.SPEED CONTROL LEVERand BRACKETCARBURATORBAFFLE 2 (HEAD)BAFFLE 3(EX21 ONLY)M5 TAPPING BOLT : 2

- 41 -(23) GOVERNOR LEVER(a) Pass the governor rod through the rod spring, then connect to the throttle lever of the carburetor.(b) Attach the governo

- 42 - Governor system adjustment methodThe governor unit is a centrifugal flyweight type and is installed on the governor gear.Since it automaticall

- 43 -(25) MUFFLER(1) Mount the muffler and the gasket on the cylinder head.(2) Mount the muffler cover on the muffler.M6 ✕ 8 mm flange bolt : 1 pc

- 44 -Fig. 5-60(27) BLOWER HOUSING AND RECOIL STARTER(1) Mount the ignition coil cord on the crankcase by aligning it with the baffle 1 (case).(2) Mou

- 45 -Dual elementSTDTypeFig. 5-62(29) AIR CLEANERMount the air cleaner element and cleaner cover.(28) STOP SWITCH(1) Mount the stop switch on the blo

- 1 -1. SPECIFICATIONS＊ Specifications are subject to change without notice.Model EX13D EX17D EX21D EX27DTypeAir-Cooled, 4-Cycle, Slant Single-Cylinde

- 46 -(32) BREAK-IN OPERATIONA new engine or an engine that has been completely overhauled by being fitted with a new piston, rings,valves and connect

- 47 -6. ENGINE OILUsing engine oil of the correct grade and viscosity greatly lengthens engine life and improves performance.Too much or too little o

- 48 -7. MAGNETO7-1 MAGNETOThe Robin Engine uses a T.I.C. type breakerless magneto ignition system.(1) T.I.C. (TRANSISTOR IGNITER CIRCUIT) has the ign

- 49 -7-3 IGNITION SYSTEM (EX13 ,17, 21)7-3-1 TYPE OF IGNITION SYSTEMEX13, 17 and EX21 have the T.I.C. (Transister, Igniter, Circuit) pointless igniti

- 50 -7-4-3 BASIC THEORY(a) Revolution of the flywheel generates electricity on the primary side of the ignition coil (①), and the basecurrent I1 flow

- 51 -Stop switchFlywheelIgnition coil(with built-in transistor)BlackSpark plug8. WIRING DIAGRAM8-1 MODEL WITHOUT ELECTRIC STARTER (Models EX13, 17, 2

- 52 -8-3 MODEL WITH ELECTRIC STARTER (Model EX27)Fig. 8-3+M-MSTBLA108LA408BlackRedCharge coilDiode rectifierIgnition coilSpark plugKey switchBattery(

- 53 -9. ELECTRIC STARTER9-1 SPECIFICATIONSModels EX17, 21 Model EX27Voltage (V) 12Power (kW) 0.6 0.6Weight (kg) 1.6 3.49-2 OPERATING PRINCIPLESThe ba

- 54 -PINION STOPPER SETPINION AYFRONT METALCASE METALFRONT COVERARMATURE AYYOKE AYTHROUGH BOLT (2 pcs.)BRUSH HOLDERBRUSHSPRING (BRUSH)REAR COVERMAGNE

- 55 -10. OIL SENSOR10-1 SPECIFICATIONS10-2 CONSTRUCTION AND OPERATIONThe oil sensor is composed of the float, permanentmagnet incorporated into the f

- 2 -2. PERFORMANCE2-1 MAXIMUM OUTPUTThe Maximum output is the output of an engine with its throttle valve fully opened and considering that all themo

- 56 -AAROCKER ARM (EXHAUST)ROCKER ARM (EXHAUST)ROCKER ARM (INTAKE)CAMCRESCENT CAMRELEASE LEVERRELEASE LEVERROCKER ARM (EXHAUST)ROCKER ARM (INTAKE)CAM

- 57 -12. CARBURETOR12-1 SPECIFICATIONS12-2 FUNCTIONS AND CONSTRUCTION12-2-1 FLOAT SYSTEMThe float chamber is located below the carburetor body. Throu

- 58 -PILOT OUTLETBYPASSPILOT AIR JETCHOKE VALVEAIR INTAKE PORTMAIN AIR JETMAIN NOZZLEFLOAT CHAMBERPILOT JETFLOATMAIN JETFUELNEEDLE VALVEFLOATFig. 12-

- 59 -Fig. 12-3MODEL EX13, 17, 21 MODEL EX2712223351198410121321424281816172526216719202713 142118 2025263598422231111224106712-3 DISASSEMBLY AND REAS

- 60 -The procedures for overhauling the carburetor are described below. (Refer to Fig. 11-3.)12-3-1 THROTTLE SYSTEM(1) When the throttle stop screw

- 61 -13-1-1 DISASSEMBLY PROCEDURE(1) Release the reel spring power-1 Hold the starter knob and pull out the starterrope.-2 Pull out the rope fully an

- 62 -GREASESHAFT HOOKPosition where the inner end of the spring touches to the rib of the bearing.13-1-2 REASSEMBLY PROCEDURE(1) Put the reel back in

- 63 -(2) Mount the components-1 Mount the ratchet into the reel. (Fig. 13-5)-2 Mount the ratchet guide assembly, taking carenot to move the ratchet.

- 64 -(5) Install the ropeNOTE: This procedure requires 2 people.-1 Pass the rope end through the rope guide and therope hole of the reel and pull thr

- 65 -13-1-3 CHECKING THE RECOIL STARTER AFTER REASSEMBLY(1) Pull the starter knob about 2-3 times.(a) If the starter knob is too heavy to pull, check

- 3 -2000 2400 2800 3200 3600 4000000.51.01.01.52.02.02.53.03.03.54.07.08.09.04.05.0kW[HP]r.p.m.REVOLUTIONMAXIMUM TORQUETORQUEMAXIMUM HORSEPOWEROUTPUT

- 66 -14. INSTALLATIONInstallation has a decisive influence on engine life, ease of maintenance and inspection, frequency of inspectionand repair, run

- 67 -14-5 POWER TRANSMISSION TO DRIVE MACHINES14-5-1 BELT DRIVENote the following:• Use a V-belt rather than a flat belt.• The drive shaft of the eng

- 68 -Problem and possible cause Remedy1. Ignition system problems1) Spark plug ・ Improper spark plug gap ・ Insulation defect ・ Carbon depositsAdjust

- 69 -Problem and possible cause Remedy1. Insufficient compression 1) Loosen spark plug Retighten; replace gasket2) Leakage from cylinder head gasket

- 70 -Problem and possible cause Remedy1. Oil leakage1) Loose oil drain plug Tighten2) Faulty oil drain gasket Replace3) Loose main bearing cover bolt

- 71 -OKDoes the crank run?Does the starter run?ELECTRIC STARTERCheck battery charged state and battery terminal connection or corrosion for any abnor

- 72 -(1) Starter does not run or only “click” sound is heard.Problem and check item Description Remedy1. Checking ofcontinuity ofwiringCheck S termi

- 73 -(2) Starter runs but engine notProblem and check item Description RemedyCheck engagedstate of pinion andring gear.Motor idles and engine does n

- 74 -16. STANDARD REPAIR TABLES“STD” in the following table is the parts dimension from the brand new engine or the spare parts.Whereas, “Limit” show

- 75 -ITEM STD LimitCYLINDER* Inner diameter* Roundness after reboring* Cylindricity after reboringStandardEX1358.000 - 58.019(2.2835 - 2.2842)To be r

- 4 -2000 2400 2800 3200 3600 4000000.51.01.01.52.02.02.53.03.03.54.04.512.011.010.09.04.05.06.0kW[HP]MAXIMUM TORQUEMAXIMUM HORSEPOWERr.p.m.REVOLUTION

- 76 -ITEM STD LimitPISTON* Ring groove side clearanceTopSecondEX13EX17EX21EX270.035 - 0.080(0.0014 - 0.0031)0.15(0.0059)Oil ringCoil expEX130.02 - 0.

- 77 -ITEM STD LimitCONNECTING ROD* Large end inner diameterEX13EX17EX2130.000 - 30.016(1.1811 - 1.1817)30.1(1.1850)EX2734.500 - 34.516(1.3386 - 1.339

- 78 -ITEM STD LimitCAMSHAFT* Cam peak height (intake and exhaust)Cam peakheightEX13EX17EX21EX2729.028 - 29.128(1.1428 - 1.1468)28.98(1.1409)Cam inner

- 79 -ITEM STD LimitVALVE SPRING FREE LENGTHEX13EX17EX21EX2727.4(1.0787)VALVE SEAT ANGLE(INTAKE AND EXHAUST)* Valve cutter angle (a)* Valve contact wi

- 80 -16-2 TIGHTENING TORQUEITEMTightening TorqueN・mkgf・cm ft・lb.Cylinder head boltsM8×68flangeboltRe-use 25.0 - 27.0 250 -270 18.1 - 19.5When replace

- 81 -17. MAINTENANCE AND STORAGEThe maintenance jobs described below apply to correct use of the engine under normal conditions.The maintenance inter

- 82 -17-5 INSPECTION AND MAINTENANCE EVERY 300 HOURS17-6 INSPECTION AND MAINTENANCE EVERY 500 TO 600 HOURS (EVERY 6 MONTHS)17-7 MAINTENANCE EVE

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- 5 -2000 2400 2800 3200 3600 400000.51.01.52.02.53.03.54.05.001.02.03.04.07.06.05.05.54.512.013.014.015.0kW[PS]MAXIMUM TORQUEMAXIMUM HORSEPOWERr.p.m.