International Harvester Company McCORMICK FARMALL Cub Operator'S Manual Download

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Summary of Contents for McCORMICK FARMALL Cub

Page 1: ...J I McCORMICK FARMALL Cub I I I l r...

Page 2: ......

Page 3: ...l fr m cup and re D Engine Oil Pressure fill with correct viscosity oil D Cranking Motor DELIVERY SERVICE D Engine Operation D Road Test for GeneralOperation D Clean and Polish At time of delivery the...

Page 4: ...IS THE BEST INSURANCE AGAINST AN ACCIDENT National Safety Council 1 j...

Page 5: ...gn1non unit Btakes Carburetor Clutch Cold weather precautions Cooling system Cutaway view of tractor Drawbar and hitch Fuel strainer Magneto Minor engine service operations Periodic ins_pections Pneum...

Page 6: ...t this manual the use of the terms LEFT RIGHT FRONT and REAR must be under stood to avoid confusion when following instruc tions LE FT and RIGHT indicate the left and right sides of the tractor when f...

Page 7: ...TION lllust 3 1 Right front view of the Farmall Cub The adjustable front axle and electric starting arid lighting shown in this illustration are special features lllust 3A Left front view of the Farma...

Page 8: ...so both brakes will operate simul taneously when the pedals are pressed down To hold the tractor in a stationary posi tion latch the pedals together depress and lock them in this depressed position b...

Page 9: ...air supply is cut off thereby i u iching the fuel mixture for starting the engine If your tractor is not equipped with the electric starter and choke rod move the choke lever up all the way before cra...

Page 10: ...ith oil in all parts before leaving the factory Engines are filled with a light engine oil However this is for preservative purposes only and is not suitable for regular service The original oil shoul...

Page 11: ...ls When pouring fuel keep the funnel and container in contact with the metal of the fuel tank I lust 7 to avoid the possibility of an electric spark igniting the gas Do not light matches near gasoline...

Page 12: ...t off valve until the seat on the stem is tight against the stop Be sure the gearshift lever of the tractor is in neutral before starting the engine 8 Fuel system and controls Starting the Engine with...

Page 13: ...titude CautionI When cranking the engine be sure that the gearshift lever is in the neutral position and always stand in a position that will eliminate any possibility of being struck by the starting...

Page 14: ...utch pedal all the way down 3 Hold the clutch pedal in this pos1t1on and move the gearshift lever to the desired speed 4 Advance the engine speed control lever to a position where the engine operates...

Page 15: ...the operator should be permitted to ride on the tractor when it is in operation 11 _ Be extra careful when working on hilJsides Watch out for holes or ditches into ich a w eel might drop and overturn...

Page 16: ...hat will prevent them from rotating This would be certain to tip the tractor over backward Instead 12 Reduce speed before making a turn or when applying the brakes Remember the danger of the tractor o...

Page 17: ...I lust 13 and m ve it back to the engaged position release the shifter rod an_d allow it to lock in place 5 Slow 1y relei Se the clutch pedal lllust 13 Moving the b lt pulley and power take off shifte...

Page 18: ...r imme diately after starting the engine Crankcase Breather The crankcase breather and oil filler cap Illust 14 has an oiled aluminum crimp filler which acts as a dust filter for crankcase ventilation...

Page 19: ...dropping into the filter when the cO er is removed 4 Unscrew and remove stud B and gasket C I lust 15A 5 Lift up and remove filter cover A and gasket D I lust 15A 6 Remove the old element 7 If the oil...

Page 20: ...ease on rollers before reassembling the bearings Inspect oil seal G and felt washer H and if they are not in satisfactory condition replace them with new ones Replacing and Adjusting Reassemble the hu...

Page 21: ...F to so0 F Engine Crankcase 3 qts SAE 30 SAE 20 10W Air Cleaner Donaldson Type 1_ pt SAE 30 SAE 20 10W United Type 1 spt Anticipated Air Temperature Poin f Lubrication Capacity Above 32 F 32 F to 10...

Page 22: ...lllust 18A Crankcase oil Aller LUBRICATION Lubrication Guide Front axle detail lllust 18 Side view of trac tor lllust 18B Air cleaner oil cup 18 lllust 18 Front axle...

Page 23: ...pivot shaft Use pressure gun grease chassis lubricant and apply 2 or 3 strokes of the lubricator or sufficient grease to flush out old grease and dirt Lubrication points are the same for both fixed an...

Page 24: ...istributor 20 Turn the fan hub so oil retainer screw 14 is to the right hand horizontal position Remove the screw and fill the hub to the level of the filler hole opening with engine oil Now turn the...

Page 25: ...ints Check the oil level periodicaliy Use approved lubricant page 17 and ke ep tht lubricant up to f level plug 22 Drain and refill the housing each time the oil is changed in the transmission case To...

Page 26: ...e gun grease chassis lubricant After every 1 000 hours or at least once every year apply a few strokes of the lubricator to clutch release bearing fitting 29 or just enough grease until it starts to c...

Page 27: ...120 Hours of Operation Lubricating oil filter Replace the filter element See page 15 Engine crankcase Drain and change the oil Lubrication points See Lubrication Guide Crankcase breather cap Clean in...

Page 28: ...urbed the following pro cedure should be followed Adjusting the Idle Adjusting Screw Close the idle adjusting screw to its seat by turning to the right or in then open one full turn Start the engine a...

Page 29: ...ion vhen hand cranked the impulse coupling should trip cli ck twice for each revolution of the engine Failure to do so may indicate the need for cleaning Re er to page 31 for further information Cooli...

Page 30: ...ful to avoid being scalded by steam which has built up pressure in the radiator 26 Radiator filler cap _ Cooling System b t Radl ato i r c _o_R _N __ _ _ _ drain plug 2r t iU A 14752 A IIIust 26 Water...

Page 31: ...drained and dis lllust 27 Fan and generator belts 27 Allow to I inch slack here I lllust 27A Correct belt tension Fan belt A l4819 carded in the fall when danger of freezing again makes necessary the...

Page 32: ...behind the hub at E Illust 27 is used for shipping purposes only It d9es not have to be replaced when worn out Air Cleaning System Clean air for combustion is assured by an oil type air cleaner A heav...

Page 33: ...emoving the spark plug Remove the spark plugs after every 200 to 300 hours of operation for cleaning and checking the t gaps between electrodes A gap of 023 inch should be maintained When making this...

Page 34: ...oil on the breaker points will cause rapid burning Inspect the breaker chamber after every 2 50 hours of operation to assure that it is clean To reach the breaker mechanism remove the distributor cap...

Page 35: ...e the distributor cap r Greasing the Distributor Gear After every 2 000 hours of operation or at least every year the distributor gear and distributor ge u chamber should be cleaned and repacked with...

Page 36: ...e coupling end until end B of the distributor rotor arm points toward the No 1 terminal on the distributor cap See I lust 30B Then replace the distributor cap 32 lllust 32A J 4 Magneto wiring clockwis...

Page 37: ...the breaker cam See I lusts 34 and 34A Greasing the Breaker Mechanism and Checking the Points It is imponaqt that the breaker chamber be kept clean because oil on the breaker points will cause rapid...

Page 38: ...imes Also see that the distributor rotor is kept cl an If the terminal nipples are remo ed be sure the distributor cap terminals and coil terminal are clean and dry The distributor is equipped with th...

Page 39: ...minal on the ignition coil lllust l 15A Assembling the battery ignition unit 35 lllust 358 Advancing the distributor while holding the secondary cable 1 r6 9 to u from the primary terminal Timing the...

Page 40: ...n to the battery The cables_ are con tained in a harness ofnon metallic oil and waterproof woven braid Carburetor choke lever in open position lllust 36A Rear light and battery box Use the illustratio...

Page 41: ...ons It should not require adjustment or attention If the regulator fails to operate correctly replace it with a new one or see your International Harvester dealer 37 Caution Do not at any time place a...

Page 42: ...rew B I lusts 38 and 38A and move the generator toward or away lllust 38 Generator belt etc 38 from the engine After getting the correct tension tighten nuts A and cap screw B Removing the Generator B...

Page 43: ...ing r At regular intervals remove the cranking motor commutator cover and inspect the commutator To clean the commutator pull out cable B Illust 32A from the magneto coil cover Remove the cranking mot...

Page 44: ...tion D dim lights and B bright lights See Illust 36B 40 Generator and Regulator The generator supplies current to keep the battery in a charged condition replacing the energy con sumed by the starting...

Page 45: ...nk assembly up and over the air cleaner pipe and exhaust pipe Care fully place the assembly on the floor and block up the fuel tank end so as not to damage the fuel strainer or gasoline tank 41 Genera...

Page 46: ...ervals remove the crankiqg motor cover band and inspect the commutator 42 Cleaning the Cranking Motor Commutator lllust 42A Cleaning the cranking motor commutator To clean the commutator pull out cabl...

Page 47: ...f your battery is equipped with automatic liquid leveling devices follow the directions fur nished with the battery or consult your International Harvester dealer Never use hydrant water or aqy 43 wat...

Page 48: ...ched Continued on page 46 Wiring Diagram Ref No 1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 17 18 19 19A 20 21 Index to Reference Numbers shown in illustration on opposite page Description Wrapping strap Cabl...

Page 49: ...0 11 Right Side View Generator Regulator Cranking Motor Battery and Rear Light Connet tions Dimmer Coil Battery Ignition Magneto Ignition Lighting Switch Ammeter Ignition Switch and Fuse Housing lllus...

Page 50: ...he compression stroke Continue cranking slowly until the notch on the fan drive pulley on the crankshaft is in line with the timing pointer in the front crankcase cover See Illust 33 Both valves are n...

Page 51: ...nt that the clutch pedal have_ a free movement of 1 inch see Illusts 47 and 47A which will maintain a clearance of inch between the clutch release bearing and the dutch release levers As e clutch wear...

Page 52: ...8 lllust 48B Brake pedals latched together and lock engaged to hold tractor in a stationary position It is very important that both brake pedals have the same a IIJOUnt of free movement to obtain brak...

Page 53: ...lement being pulled frequently great enough to do permanent dam age Incorrect hitching w l lso tend to make the tractor difficult to steer and ill result in unsatisfactory work by the implement being...

Page 54: ...of l inches Tighten the cap screws securely when reassembling and replace the tool box lllust 50A Seat set in forward position 50 Wheels lllust 50B Disc Range turned in A 14584 Front wheel with disc R...

Page 55: ...st 51 Rear wheel with disc Range tumed in 51 lllust 51A Rear wheel with disc Range turned ou t The W5 30 and W7 24 rims are furnished with the tractor when ordered Each wheel is mounted on the axle fl...

Page 56: ...RNED IN 44 TREAD LUG OUTSIDE TIRE OUT 40 TREAD LUG OUTSIDE t_ TIRE IN t I WHEEL DISC REAR AXLE MAINTENANCE r 1 1 lllust 52 Rear wheel tread positions 52 f NOTE WHEEL DISC TURNED OUT ALL DIMENSIONS SHO...

Page 57: ...tructions and recommendations shown below in order to serure maximum life and efficient se ice from the pneumatic tires f Inflation Keep the pneumatic tires properly inflated to the pressures shown in...

Page 58: ...ce watch the tread lugs If they wear down too fast immediately add more weight to reduce slippage Check for high air pressure See your International Harvester dealer for infor mation 54 Wheel Weights...

Page 59: ...led into the rim and will require much extra work to get it through the valve hole Care of Tires Avoid stumps stones deep ruts and other hazards Cuts_ in tire8 1hould _he epaired immediately as n glec...

Page 60: ...icant Refer to the luhri cant specifications on page 17 Gears engaged Put gearshift in neutral Internal seizure See your dealer Engine Operates Irregular or Knoaks Engine incorrectly timed Retime See...

Page 61: ...rong kind of fuel Change to a good grade of gasoline Carburetor i tJ iproperly set See Carburetor on page 24 T S M B I U 1m1ng incorrect ee agneto Qn page 32 or attery gnttton mt on page 33 Breaker po...

Page 62: ...s 29 to 45 Magneto or battery ignition unit not timed correctly Retime as instructed on page 32 or 35 Distributor cap or rotor or breaker chamber dirty Clean as instructed on page 31 or 34 Distributor...

Page 63: ...bearings check bearing adjustment see page 16 j Lubricant leakage Check oil seal or see your dealer Steering Faulty Check steering worm and gear check front axle adjust ment See page 53 Check lubrican...

Page 64: ...unit is not used Gum in carburetor jets and passages affects engine starting Gum can be dissolved with acetone or a S0 5 Q___ mixture of alcohol and benzol 9 If the tractor is equipped with a storage...

Page 65: ...vice Special equ pment must not be ordted from this manual o order a achments consult your International Harvester dealer giving the tractor and engine serial numbers TYPES OF EQUIPMENT ATTACHMENT PAG...

Page 66: ...as a unit or the power take off is available separately The belt pulley attachment is also supplied separately for tractors that are already equipped with a power take off attachment The instructions...

Page 67: ...be at tached to each I rant wheel Tofu crease steerability front wheel weights are recommended for use as a front end counterbalance whenever heavy lJlads are superimposed on the drawbar or when heav...

Page 68: ...or any carbureted engine having the correct spark plug thread size and replace with pumping element A see I lust 64A Attach one end of pump hose B to the pumping element and the other end C to the va...

Page 69: ...e a month for cleaning To clean turn the spark arrester upside down and shake it until the loose particles are removed 65 Swinging Drawbar The swinging drawbar is free to rwing the full width of the r...

Page 70: ...the engine during times out to avoid using the hand crank when work is resumed The headlights and rear light greatly extend tractor usefulness With strong steady electric light the tractor can be used...

Page 71: ...mfort for hot weather operation lllust 67 Upholstered seat The upholstered seat h s the same Silver Shade Koroseal upholstery as the de luxe s at except the upholstered seat contains jute felt padding...

Page 72: ...not clearing the underside of the tractor Once the stop is set the implement can be raised quickly by a flick forward on the control lever To set the Touch Control stop slowly move the control lever...

Page 73: ...ch Control fluid 4 Start the tractor engine and operate it at a moderate idle speed With the filler plug removed move the Touch Control lever back and forth 10 to 12 times through its full range of tr...

Page 74: ...ne cold 013 in Carburetor I H in updraft Battery ignition unit when so equipped clockwise rotation 16 advance I H Clutch Single plate dry disc spring loaded 6 in d Belt Pulley and Power Take Off Pulle...

Page 75: ...c tire sizes available _ General Belt horsepowcfr 9 76 Drawbar horsepower 8 89 Length over all 9 in Width over all minimum treads 4 H in Width over all maximum treads 64 in He g over all to top of ste...

Page 76: ...46 Distributor cap battery ignition 34 Distributor cap magneto 31 Drain plug engine crankcase 19 Drain plug radiator 26 Drain plug steering gear housing 22 Drain plug Touch Control oil reservoir 69 D...

Page 77: ...rod Starting and lighting equipment for tractors with battery ignition and voltage regula tion Starting and lighting equipment for tractors with magneto ignition and voltage regu lation Starting the...

Page 78: ...en equipment whether it be transportation or processing whether it be on the highway in the harvest field or in the industrial plant can be safer than the man who is at the controls If farm accidents...

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International Harvester Company McCORMICK FARMALL Cub, Operator'S Manual

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