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ONAN TORO POWER PLUS P216V, 18V, 20V ENGINE - VERTICAL

Table of Contents – Page 1 of 2

SAFETY PRECAUTIONS

GENERAL

PROTECT AGAINST MOVING PARTS

BATTERIES

FUEL SYSTEM

EXHAUST SYSTEM

EXHAUST GAS IS DEADLY!

COOLING SYSTEM

KEEP THE UNIT AND SURROUNDING AREA CLEAN

CAUTION

GENERAL INFORMATION

INTRODUCTION

ENGINE MODEL REFERENCE

SPECIFICATIONS

DIMENSIONS AND CLEARANCES

ASSEMBLY TORQUES

SPECIAL TOOLS

ENGINE TROUBLESHOOTING

OIL SYSTEM

OIL BYPASS CHECK BALL

FUEL SYSTEM

CARBURETOR

CARBURETOR SPEED SETTINGS

REASSEMBLY AND INSTALLATION

PULSATING-DIAPHRAGM FUEL PUMP

FUEL PUMP TEST PROCEDURE

AIR CLEANER

GOVERNOR SENSITIVITY

Содержание Power Plus P216V

Страница 1: ...TION INTRODUCTION ENGINE MODEL REFERENCE SPECIFICATIONS DIMENSIONS AND CLEARANCES ASSEMBLY TORQUES SPECIAL TOOLS ENGINE TROUBLESHOOTING OIL SYSTEM CRANKCASE OIL OIL FILTER CHANGE CRANKCASE BREATHER PR...

Страница 2: ...TEST STARTING SYSTEM ELECTRIC STARTER SERVICE STARTER REMOVAL STARTER DISASSEMBLY STARTER ASSEMBLY INSPECTION AND TESTING STARTER MOUNTING ENGINE DISASSEMBLY DISASSEMBLY ASSEMBLY VALVE SYSTEM TAPPETS...

Страница 3: ...Service Manual 1710 P216V 18V 2OV Toro Power Plus Engine Tractors Riding Mowers...

Страница 4: ...T smoke or use an open flame inthe vicinity of the engine or fuel tank Internal combustion engine fuels are highly flammable Fuel lines must be of steel piping adequately secured andfreefromleaks Pipi...

Страница 5: ...nd colorlessgas Carbonmonoxide is poisonous and can cause unconsciousness and death Symptomsof carbon monoxidepoisoning can include Dizziness Throbbing in Temples Nausea Muscular Twitching Headache Vo...

Страница 6: ...ide is provided as aquick reference forlocating and correcting enginetrouble The wiring diagram shows how the electrical compo nents are interconnected Thedisassembly sectioncontains major overhaul pr...

Страница 7: ...875 2 875 Displacement CUin 43 3 47 7 47 7 Compression Ratio 6 5to 1 7 0to 1 7 0to 1 Power at BHP 16 18 20 Rated Speed 3600rpm kW 1 1 9 1 3 4 14 9 Oil Capacity 1 7 1 7 1 7 Without ter 1 6 1 1 6 Oil Fi...

Страница 8: ...NNECTING ROD Large Bore InsideDiameter rod bolts torqued Large Bore Clearance Piston Pin Bore Piston Pin Clearance EndPlay CAMSHAFT Journal Diameter Lobe Height P216V P218V Intake P216V P218V Exhaust...

Страница 9: ...1 1 94 Seat ngle 45 Outside Diameter 1 4700 37 34 1 471 0 37 36 VALVE Stem Diameter 0 2780 7 061 0 2785 7 074 Face Angle 44 EXHAUST VALVE SEAT OutsideDiameter Seat Width Seat Angle VALVE GUIDE Intake...

Страница 10: ...Bolts Flywheel Capscrews Valve Cover TORQUE SPECIFICATION Ft Lb Nm 10 12 14 16 27 29 36 39 19 21 25 28 9 11 12 15 20 24 27 33 7 9 10 12 7 9 10 12 19 21 25 28 12 14 16 19 50 55 67 75 3 4 4 5 DESCRIPTI...

Страница 11: ...Engine Troubleshooting M 1686 5 1...

Страница 12: ...oils arerecommended for severe duty use and at temperaturesabove32 F 0 C forminimumoil consumption Crankcasepressure canblow out hot oil which can cause severepersonal injury Do not check oil while t...

Страница 13: ...the front camshaft bearing rear cambearing is splash lubricated Normaloil pressureshould be8 psi 55kPa or higherat 1500 rpm whenthe engine is at normal operating temperature If pressure at 1500 rpm dr...

Страница 14: ...he plastic stopapproximately centered HIGH SPEED STOP FS 1000 1 GOVERNOR ASSEMBLY FIGURE 1 GOVERNOR SPEED ADJUSTMENT Carburetor Speed Settings 1 Startthe engine and allow it to warm up thoroughly at l...

Страница 15: ...inning for a better understanding of the procedures involved Carburetor componentsare shown in Figure 3 lgnition of fuel can result in severe smoke orallow any spark pilot light or arcing eguip ment n...

Страница 16: ...loat if loadedwith fuel or damaged 5 Check the choke and throttle shafts for excessive play in their bore This condition may necessitate replacement of the carburetor Reassembly and Installation 1 Ins...

Страница 17: ...stfive seconds Record vacuum gauge reading Move throttle control to high idle position Wait at least five seconds and record vacuum gauge reading Shut engine off and remove vacuum gauge hose from fuel...

Страница 18: ...vice and replacement intervals Service by gently tapping element on a flat surface If engine is equipped with an element wrapper refer to Periodic Maintenance Schedule for service intervals ELEMENT CO...

Страница 19: ...tion to be erratic Work thegovernorarm back and forth several times by handwhiletheengineisidling to check forabove conditions Thegovernor linkageshould be set up as follows Figure 7 1 The governor sp...

Страница 20: ...ark plug wires and ground them away from spark plughole Turn keyon and crank engine over for 5 seconds while watching for spark If a spark occurs regularly the problem is not in the ignition system If...

Страница 21: ...e clockwise direction until the voltmeterreading switches from approximately 1 volt tobattery voltage At this point one of the chaff screen bolts should liebetweenthe two timingmarksonthe blower housi...

Страница 22: ...osion Poor contactat the battery cable connections is often a source of trouble Makesure batterycables are ingood condition and that contacting surfaces are clean and tightly connected Do not reverseb...

Страница 23: ...ith a permanent magnet flywheel alternator and solid state voltage regulator rectifier Figure 6 As with all solid state electrical units pre cautionsare necessary when servicing _ Reversingpositive an...

Страница 24: ...tteryterminal voltage regulator output using a DCvoltmeter Voltage output should be within the values specified in Table 1 If voltage is greater than specified replace regulator rectifier assembly If...

Страница 25: ...AMP r TABLE 1 TESTING 20 AND 35 AMPERE SYSTEMS BASICTEST BATTERY REGULATOR Refer to Alternator 12to 13 VDC 13 6 to 14 7 VD 12to 13VDC STATOR RESISTANCE Refer to Alternator Output Test 0 10 to 0 19 Ohm...

Страница 26: ...GNITION SWITCH CONTROL CONDENSER WITH OIL PRESSURESWITCH FOR SHUTDOWN ES 1667 These typical wiring diagrams show the basic wiring necessary for operation of the engine Your engine may differ in circui...

Страница 27: ...start circuit components Failureto crank is normally caused by low batterycharge defectivebatterycables corroded or poor connections or low temperatures Ifafter checking these variables starter contin...

Страница 28: ...he following points Recom mended grade MultempPS No 2 Armature shaft spline Both bushings Both ends of armature Stopper on armature shaft Piniongear Sliding portion of lever CLUTCH ES 1194 FIGURE 3 IN...

Страница 29: ...CE ES 1623 FIGURE 4 PINION CLEARANCE ADJUSTMENT Inspection and Testing Inspect the starter components for mechanical defects before testingfor grounds or shorts Testing Armature for Grounds Touch arma...

Страница 30: ...e Do not cleanoverrunning clutch in liquid cleaning solutions Solenoid Push solenoid plunger in and release it The plunger should return toitsoriginal position While holding plunger all theway in chec...

Страница 31: ...batterycableand wires to starter Connect battery cablesto battery Connectground cable last STILL ATTACHED TO FIELDCOIL approx CLEAN 1 4to 3 8 inch SOLDERMUST NOT EXTENDBEYOND BRUSHSURFACE SMALL CHAMFE...

Страница 32: ...ngine parts are assem bled the engine should turn over by hand freely Use only genuine Onan parts and special tools when reassemblingyour engine 1 Use proper bearing driver to installtop main bearing...

Страница 33: ...revolution and again line up the flywheel timing mark with the governor shafton the gearcover Then follow adjustment procedure given for right hand cylinder 8 Replace all parts removed in Step 2 Tigh...

Страница 34: ...uidescan bereplacedfrominsidethe valvechamber a seal is provided behind theintake valve guides only The smaller diameter of the tapered valve guides must face toward the valve head Tappets are also re...

Страница 35: ...ts from valve seat Select proper puller size determined by inside diameter of valve seat On some pullers usea new seat asa guide to adjust puller depth Figure 4 Pullerjaws must expand into cylinder bl...

Страница 36: ...nife edge will be ground Figure 7 on part or all of the head due to the large amount of metal that must be removedto completely refacevalve Heavy valve heads are required for strength and good heat di...

Страница 37: ...haft Take care not to drop the wheel A bentor brokenfin will destroythe balance GEAR COVER After removingthe mountingscrews tap the gear cover gently with a soft faced hammerto loosen it When installi...

Страница 38: ...rnor cup as illustrated Hold the cup against the flyballs when measuring The camshaft center pin cannot be pulled outward or removedwithout damage Ifthe centerpinextendsouttoo far the cup will not hol...

Страница 39: ...mer handle Donot scratchthe crankpin and cylinder wall when removing the piston and rod 5 Mark each piston and rod assembly so they can be returnedtotheir respectivecylinders afteroverhaul Keep connec...

Страница 40: ...15 Replacethepistonwhen the side clearance of the top compression ring reaches that specified in DIMENSIONSAND CLEARANCES 2 Replace pistons showing signs of scuffing scoring worn ring lands fractures...

Страница 41: ...st be made afterall parts have been removed and block has been thoroughly cleaned and dried 1 Make a thorough check for cracks Minute cracks may bedetectedbycoating the suspectedarea with a mixture of...

Страница 42: ...r or not cylinder is out of round I f out of round exceeds that specified in DIMENSIONS ANDCLEARANCES thecylinders mustbe rebored and honed to the next oversize Reboring the Cylinder Rebore andhoneeng...

Страница 43: ...x places in bore measure twice at top middle and bottom at90 degreeangles 6 Crosshatch formed by the stones should form an included angle of 23degrees This can be achieved by moving the rotatinghone 2...

Страница 44: ...which do not require line reaming or line boring after installation Use a press or a suitable driver to remove bearings Support casting to avoid distortion and to avoid damaging the bearing bore durin...

Страница 45: ...ings Use a combination driver and lubricate the outsideof the bearings with SAE 30 oil before installingthem to the dimension shown Figure 21 Oil holes in the bearings must line up with those drilled...

Страница 46: ...n Plastigauge envelope to determine clearance The numberwithin the matching graduation on the envelope indicatestotal clearancein millimeters or thousandths of an inch The gear cover and oil base have...

Страница 47: ...s stroke 2 Lubricate the number one piston assembly and inside of the cylinder Compress the rings with a ring compressor Figure 27 3 Position the piston and rod assembly in the cylinder block Oil squi...

Страница 48: ...ing heads cleanoutall carbondeposits Be careful not to damage the outer sealing edges where gasketsfit The headsare made of aluminum and can be damaged by carelesshandling NO 1 CYLINDER Placea headgas...

Страница 49: ...tions are Wheel HorseProducts Inc reserves the shown herein asofthetime of printing designsand standard equipment without rightt ochange product specifications noticeandwithout incurring obligation Ri...

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