Aimco Brakes Scuba Diving Equipment 100 User's Manual
Contents
1. ear Ribbon GSS 1349 International Cub Cadet Tractor CHASSIS Model 70 and 100 Price 75 INTERNATIONAL HARVESTER COMPANY 180 NORTH MICHIGAN AVE CHICAGO 1 ILLINOIS FOREWORD The instructions and special tools shown in this Blue Ribbon Service Manual are for use by International Harvester Dealers and their factory trained servicemen The specifications as listed in this manual are current as of the printing date Due to changes and improvements in our products dealers are periodically issued service bulletins to keep this manual up to date We suggest you refer to the most recent information when performing service work on this equipment International Harvester Factory Trained servicemen are best qualified to service I H equip ment INTRODUCTION This manual covers the servicing procedures of the chassis components of the Models 70 and 100 International Cub Cadet tractors The engine fuel system and ignition system are covered in Blue Ribbon Service Manual GSS 1350 also the electrical system when so equipped LIBRARY FILING INFORMATION File this Manual in Book 12 after Divider Tab GSS 1349 Enter the following information in the Service Manual Index Print or preferably type in the Manual Description Form Number and the Book Filed in on the following pages Tractor Specifications Tractor Transmission Tractor Differential amp Final Drive T2. 8 Press the oil seal from the bearing retainer 9 Drive the shift poppet pin from the shaft and remove the poppet 10 Shift the lever and shifter collar to ward the rear of the case and at the same time lift the shifter collar up to disengage it from the shift yoke 33 Cross section end view of creeper shifting components FEA 75109 29 11 Drive the pin out of the shift yoke and lever shaft 12 Slide the lever shaft from the yoke and housing 13 Remove the O rings from the shaft housing and bearing retainer 14 Wash all parts in cleaning solvent then dry thoroughly Inspection and Repair 1 Check the input drive shaft for oil seal groove wear worn or chipped teeth on the integral gear and pilot bushing wear on the rear end 2 Check the splines of the direct drive coupling planet carrier and the shifter collar for wear and chipping 3 Check the housing for cracks and the integral sun gear for wear and broken teeth 4 Inspect the ball bearing for pitting Scoring wear and rough operation Reassembly Reassembly is basically the reverse of disassembly however particular attention should be given the following 1 Always use new O rings gaskets and oil seals O rings and oil seals should be coated with lubriplate or chassis lubricant to assist in installation and provide initial lubrication 2 Install the oil seal after completing the drive assembly in the housing 30
3. 8 Depress and lock the clutch brake pedal 9 Replace the pressure plate locating pin Illust 11 10 Align the engine to the frame and re place the securing capscrews 11 Secure the wires and cables in their clips 12 Connect the ground cable if it was disconnected 13 Replace the clutch shield Disassembly 1 Clamp the clutch shaft in a vise as shown in Illust 12 and drive the coiled spring pin out 2 Slowly release the vise allowing the spring to extend as the shaft slips through the vise jaws 15 Clutch shaft Locating pressure plate Clutch driving disc Teaser spring Clutch release lever Loading spring Coiled spring pin FEA 75095 Mlust 12 Clutch shaft secured in vise for removal of pin 3 Support the hubs of the pressure plates then drive their coiled spring pins out 4 Support the clutch shaft coupling then drive the coiled spring pin out Inspection and Repair l Inspect the clutch driving disk for wear from pressure plates and for elong ated holes from the driving plate pins Disk must be free of grease and oil 2 Inspect both pressure plates for wear on their contact faces 3 Inspect the slotted hub of the rear pressure plate for pin wear If the slots are cupped from pin wear the plate must be replaced 4 Inspect the teaser spring ends Ends should be rounded to prevent gouging the clutch shaft Check the spring tension see Spec s 5 Ins
4. Differential 25 Disassembly Transmission mite 26 Qe ae 26 CIEL chm ty perse e Se EI E 21 Creeper DFIVe a Scd vx a Gea ates E IN E QUAE QU EE 28 GENERAL INFORMATION FEA 75110 Illust 1 Left front view of model 70 cadet The International Cub Cadet is available The chassis is the same for both models in two models The model 70 is powered by a 7 horsepower four cycle air cooled gasoline engine and is available with re tractable hand starting or electric starting Tractors equipped with electric starting The model 100 is powered by a 10 horse have a combination generator and cranking power four cycle air cooled gasoline motor Both models use the same genera engine and is available with electric start tor motor unit however the model 100 is ing only equipped with a larger capacity battery FEA 7 511 Illust 2 Right front view of model 100 cadet The electrical systems of these tractors are automatically polarized when the starter button is pressed The clutch and brake are operated by a single foot pedal located on the left side of the tractor Separate adjustments are pro vided for each unit All cadets are equipped with an imple ment control lever conveniently located on the right side of the tractor Power is transferred directly to
5. The gears are carbu rized hardened alloy steel The bevel gear is riveted to the carrier case The carrier assembly is mounted in tapered roller bearings Bearings are pre loaded to control deflection of the assembly when loaded Rear Axles The rear axles are splined on their in ner end where they are supported and driven by the differential side gears Snap rings secure the axle shafts in the side gears A bronze bushing in each axle car rier supports the rear axle outer end A flange is welded to the axle outer end to receive the rear wheels Front Axle The cast iron front axle has I beam construction with raised arch center sec tion The axle is supported by a pivot shaft in the main frame cross channel bracket Front Wheels The wheels are formed from sheet steel and welded to steel tubing A pre lubri cated sealed ball bearing is pressed into each side These wheels can be used for service on older model cadets by removing the ball bearings and pressing in service bushings Steering A spiral worm cam and lever with single follower and control arm actuates the ball socket drag link to the left front steering knuckle The ball socket tie rod connects the right and left steering knuckles The worm cam shaft is supported by ball bearings Design features provide caster camber and toe in for easy steering and trouble free operation Creeper Attachment Underdrive A four to one ratio unit is availab
6. drive shaft splined cou pling and drive out the coiled spring pin NOTE The splined coupling is used only on tractors equipped with creeper attach ment 11 Press the drive shaft from the ball bearing 12 Press the needle bearing rearward from the housing 22 13 Remove the brake components Inspection and Repair 1 Inspect the drive shaft for wear on the gear teeth needle bearing area oil seal contact area and drive pin hole 2 Inspect the reduction gear teeth for wear or chipping and the fit of the gear on the transmission shaft 3 tractors with creeper inspect wear of pilot bushing for creeper drive shaft 4 Inspect needle and ball bearings for wear pitting and roughness of operation 5 Thoroughly clean the reduction hous ing Reassembly and Installation 1 Install a new gasket to the front of the transmission case Dowelg in the case will hold the gasket in place 2 Press the needle bearing into the re duction housing from the rear Rear end of bearing should be flush with housing Refer to 3 3 Press the ball bearing onto the drive shaft Refer to 3 4 Lubricate the lip of a new oil seal and install the seal onto the shaft Be careful when sliding the seal lip over the pin hole in the shaft Flat face of seal case must be forward Refer to 3 for arrangement of parts 5 Install the splined coupling and coiled pin if tractor is equipped with
7. inspected for wear seizure and seal condition Reassembly l If the bearings were removed press in new ones Be sure force is directed to the outer race only when being pressed in NOTE These wheels may be used on older model cub cadet tractors by pressing in service bushings instead of ball bearings Installation 1 Slide the wheel and bearing assembly over the spindle and secure with capscrew and flat washer 2 If excessive end play exists place a sufficient thickness of shim washers 3 4 ID over the outer end of the spindle and between the retaining washer and wheel bearing FRONT AXLE FEA 75113 9 Front axle components Steering Knuckle Removal Illust 9 l Lock the brake jack up the front of the tractor and support it on a suitable stand 2 Remove the front wheels 3 Disconnect the tie rod ball joints 4 from left steering knuckle 6 and right steering knuckle 7 4 Using a pin punch and hammer drive out the coiled spring pin from the drag link arm 8 and steering knuckle 6 5 Remove the steering knuckle 6 from the axle 2 6 Remove the capscrew and flat washer from the upper end of the steering knuckle 7 7 Remove the steering knuckle 7 from the axle 2 Removal of Front Axle l Disconnect the drag link ball joint D 8 from the drag link arm 8 Illust 9 2 With the front of the tractor frame supported by a suitable stand dr
8. lining in the retainer lining recess and push the retainer and lin ing rearward against the disk 6 Install the reduction gear on the transmission main shaft and secure with flat washer lock washer and capscrew Tighten capscrew to 55 ft lbs 7 Install a new cover gasket then re place the cover plate 8 Be sure the ball is in place in the front lining retainer then replace the push rod lever pivot pin adjusting screw and lock nut 9 Refer to Illusts 14 and 15 for adjust ment 10 Fill transmission to proper level with Hy Tran fluid or SAE 30 engine oil as specified in the Operator s Manual SPLITTING THE TRACTOR 1 Remove the fenders and their support brackets if tractor is so equipped 2 Remove the seat and its support bracket NOTE Disconnect tail light wire at junction under seat support if tractor is so equipped 3 Remove the clutch shaft coupling rear pin Connects coupling to creeper or reduction drive shaft 4 Drive a small wooden wedge between the front axle and frame on each side as shown in Illust 17 19 NI Wooden wedge leach side E Hydraulic jack 2 x 4 blocks both front wheels FEA 7 5098 Mlust 17 Front axle and wheels wedged and blocked for tractor split 5 Block both front wheels as shown 6 If tractor is equipped with creeper attachment shift the lever forward then re move the lever knob and the breather 7 Disconnect the brak
9. must be fully engaged when pedal arm reaches this position 3 4 inch minimum 8 Depress the pedal and release the clutch to allow components to move into final alignment 9 Tighten the engine mounting cap screws 10 Position the wires and cables in their clips and secure 11 Connect the battery ground cable 12 Replace the clutch shield 13 Check the clutch pedal and linkage for proper adjustment Refer to Illusts and 15 Clutch engaged Top surface of acc pedal foot pad Pedal return stop Free movement 3 16 inch Pedal stop 7 Left foot support FEA 75115 Illust 15 Clutch and brake pedal linkage adjustments 14 BRAKE Tractors equipped with a creeper at tachment will require splitting and the creeper removed before complete brake service can be performed Refer to page 19 of this manual for splitting procedure Removal 1 Drain the transmission lubricant 2 Remove the brake adjusting screw and jam nut B from its lever 14 3 Remove the brake lever pivot pin and push rod 16 4 Remove the reduction housing front cover plate and slide it forward on the clutch shaft 14 Reduction housing ki Rear lining cg Pivot pin 5 Remove the reduction gear from the front of the transmission main shaft Re fer to Illusts 3 and 21 6 Move the gear upward and the bottom of the gear for
10. result of field experience and engineering modifi cations As Service Bulletins are received record them on this page for handy reference whenever this manual is to be used Print entries in ink Bulletin Date Issued Book No Topic or part of machine involved 31 INTERNATIONAL HARVESTER 17 5 in service GSS 1349 OCTOBER 1963 Printed in United States of America Creeper input shaft Reduction drive shaft Co Reduction gear oj o Oil passage 7 lp attachm Transmission main shaft Cover Counter shaft Brake 1 Brake lining Illust 3 Cross section power train j Clutch driving disc Pressure plates Bushing Clutch shaft SS dte d Snap ring Release bearing X ti attachment 9 WS S sy lt S gt cS f AL Cover plate Clutch adjusting nut Brake disc Clutch drive plate y ara lt Brake adjusting screw S SS Arn Creeper FEB 14034 Creeper input shaft Clutch driving disc Coupling Reduction dri
11. the clutch by a driving plate attached to the en gine flywheel pulley Clutch A friction disk held between two spring loaded plates on the clutch shaft transfers power through the clutch shaft to the gear reduction unit on standard tractors and to the underdrive creeper unit on tractors so equipped Brake Two friction material inserts apply Caliper holding to a round flat plate located on the splined front end of the transmission countershaft thus braking is applied through the differential to both rear wheels Reduction Drive The reduction drive housing is located ahead of and is secured to the transmission housing The reduction input shaft with gear is driven by the clutch shaft or creeper attachment if so equipped and drives the reduction gear located on the front end of the transmission input shaft The ratio of reduction is seven to one The input shaft with gear is supported by a ball bearing at the front and a needle roller bearing at the rear Transmission Sliding spur gears are located on the transmission input shaft and mesh with spur gears on the countershaft Shafts are mounted in ball roller and needle bear ings Gears have crowned induction hardened teeth with rounded edges for ease of shifting and long life The reverse idler gear is mounted on a separate shaft Differential Two pinions a pinion shaft and two side gears are positioned in the one piece cast iron carrier case
12. 3 The pins which secure the direct drive coupling and the driven coupling to their respective shafts must be flush or below the spline groove so as not to inter fere with shifting 4 The long internal splines of the shift er collar go toward the rear 5 The machined shoulder of the direct drive coupling goes toward the planet car rier 6 Lubricate the components and rotate the drive shaft severalturns with the shift er in each speed selection to insure freedom of movement and rotation Installation 1 Place a new gasket on the mounting face of the creeper housing The dowels will hold it in place 2 Withthe shifter collar in its rear po sition rotate the drive shait so the collar will engage the driven coupling as the dow els engage the reduction cover plate and the drive shaft enters its pilot bushing in the driven coupling 3 Secure the creeper to the reduction housing cover plate 4 Fillthe creeper housing to proper level check plug on side of housing with the same lubricant as specified for the transmission differential Hy tran fluid or SAE 30 Engine oil 5 Shift the unit several times to insure freedom of movement Leave the shifter lever in its forward position for re coupling the split tractor 6 Reassemble the split tractor Important SERVICE BULLETIN RECORD Information in this manual section is subject to change or supple menting from time to time as a
13. E Spring pin must extend through the drag link arm an equal amount on each side 5 Install the tie rod 5 6 Install the front wheels and check toe in adjustment CLUTCH Removal Complete service of the clutch shaft loading spring release bearing and cush ion spring will require removal of the tractor engine then the clutch assembly Refer to GSS 1350 Engine Manual for engine removal procedure then remove the clutch shaft coupling rear pin clutch re lease lever pin and disconnect the clutch release rod from the pedal arm When minor service replacing the driv ing disk driving plate or pressure plates only is required perform the following steps 1 through 13 1 Depress the clutch and brake pedal and lock it 14 Must 11 Clutch shield removed showing clutch drive 2 Remove the clutch shield 3 Using a hammer and punch drive out the pressure plate locating pin Illust 11 4 Remove the four capscrews two on each side which hold the engine to the tractor frame 5 Release the clutch and brake pedal then slide the engine forward in the frame 6 Replace the pressure plates driving disk or driving plate as necessary Illust 11 NOTE Wiring cable clips on tractors equipped with electric starting will need spreading so that wires can follow engine as it is moved forward 7 Slide the engine rearward while aligning the clutch shaft and driving plate pins 11
14. FEA 63298 Mlust 7 Inspection of steering cam bearings and races Arrows ond pencil indicate areas for inspection 11 Adjust the cam follower inward to eliminate backlash then tighten locknut to 60 ft lbs Turn steering shaft full right and left to check for binding 12 Replace the steering assembly in the tractor chassis Secure with two cap screws through the frame cross member 13 Connect the drag link 14 Install the upper column bearing retainer felt seal and retainer 15 Replace the steering wheel and se cure with nut 16 Adjust the drag link D Illust 8 to proper length to place front wheels in the straight ahead position when the steering assembly is centered IIlust 8 Steering tie rod and drag link ball joints 17 Adjust tie rods 8 to provide 1 32 to 1 8 toe in FRONT WHEELS AND BEARINGS Removal l Lock the brake and block the rear wheels Jack up the front axle 2 Remove the capscrew and flat washer from the outer end of the front spindle 3 Slide the wheel and bearings from the spindle NOTE The bearings are a press fit in the wheel and a slip fit on the spindle Disassembly 1 Wheel bearings can be driven from the wheel hub with a hammer and long drift punch Drive from the inside toward the outside Inspection and Repair l Inspect the entire wheel and hub for weld separation split hub tube and rim bending 2 Bearings should be
15. a creeper Coiled pin ends must be even with or below the spline root to avoid interference when shifting the creeper unit 6 Install a new O ring onto the brake lining retainer and install in the reduction housing 7 Install the reduction housing to the transmission case Be sure the gasket and dowels are in place 8 Install new copper sealing washers on the two lower capscrews Refer to Ilust 22 Tighten capscrews at and B to 80 ft Ibs 9 Install the brake linings and disk then push the front lining retainer rearward to hold disk and linings in place 10 Install the reduction gear and spacer to the transmission mainshaft and secure with the capscrew flat and lockwasher Tighten capscrew after drive shaft is in stalled 11 Install the drive shaft with ball bear ing seal and splined coupling on tractors with creeper Seal case should be flush with housing REAR Removal 1 Drain the transmission lubricant 2 Stabilize the tractor by driving wooden wedges between the front axle and frame on each side and block the front wheels Refer to Illust 17 3 Remove the drawbar and differential housing rear cover 4 Place a jack under either rear axle carrier and raise the rear wheel off the floor Remove the C type snap ring from the axle shaft inner end Refer to Illust 23 5 Slide the axle out of the differential side gear and axle carrier Refer to Illust 24 NOTE Se
16. al holds ball bearing in place and front cover holds seal in place 12 Tighten reduction gear retaining cap screw to 55 ft lbs 13 Install new gasket and housing front cover 14 Install new gasket and creeper unit on tractors so equipped 15 Replace the brake push rod ball le ver and pivot pin 16 Recouple the tractor by reversing the splitting procedure 17 Filltransmission and creeper to proper level with specified lubricant AXLES Must 23 Differential and rear axle assembly 23 Oil groove in bushing FEA 75105 Illust 24 Rear axle removed 6 Support the transmission differential housing on a block and remove the axle car rier Refer to Illust 25 Transmission differential housing Illust 25 Rear axle carrier removed 7 Press the carrier bushing from the carrier 8 Drive the oil seal from the carrier 9 Clean the gasket surface of the axle carrier and differential housing Inspection 1 Inspect the axle shaft for wear at the oil seal area bushing location and splines on the inner end 2 Roll the axle shaft along a flat surface to detect any warping or bending 3 Check the axle carriers for cracks or breaks Remove any high spots from the gasket surface with a flat file Reassembly 1 Press a new bushing into the axle car rier The oil groove must be at the bottom 2 Press a new oil seal into the axle car rier 3 Using a new gasket instal
17. and galling 11 5 Inspect the housing for cracks and stripped threads 6 Inspect the upper bearing nylon bushing for wear or damage Reassembly and Adjustment l Thoroughly coat the cam ends balls and races with chassis lubricant 2 Install the balls and races on the cam ends and secure with their retaining snap rings 3 Thoroughly coat the cam and bearings with chassis lubricant then install them in to the housing and column assembly NOTE Be sure the races enter the housing squarely and are not cocked 4 Install the adjusting plug Screw the plug inward until end play of the cam is removed and the cam turns free 5 Stake the plug by inserting a small center punch through the housing holes and spread the plug threads to keep the plug from loosening 6 Fillthe housing with chassis lubri cant 7 Loosen the cam follower locknut then back out the cam follower one turn 8 Install the seal retainer and lever bolt assembly to the housing 9 Install the bronze washer and adjust ing nut Tighten the adjusting nut sufficient to provide good seal compression Refer to Illust 6 for adjustment dimensions Secure with the jam nut Tighten jam nut to 40 ft lbs Lubricate the lever bolt at the fitting 10 Center the steering cam by ro tating the steering shaft half way between full right and full left turn Steering ca Bearing Ball bearings tering retainer rings
18. ar and lst speed TIENE TO EM Fb Ar 310 to 314 in 4 Between lst speed driven gear and reverse driven ERE s aL EU cac OR 686 to 690 in 5 Between reverse driven gear and rear bearing 690 to 694 in Differential E C CARRIER OTI dI Bevel gears and pinions INGA DOL yk cR xe 2 10 teeth NO OR Gil ice ao 2 16 teeth Beating Ow Le or Tapered roller PIDE AIRE 1 5 to 8 0 in lbs POSURE sack 004 007 015 030 in Bevel gear and pinion backlash 003 to 005 in nas On differential case El UI UT TUTO esses ses ee SS Integral part of countershaft Ratio bevel gear and pinion 13 to 46 OAAS SOFT Sie eve Planetary gears RL i CAE Sacer gt i PPAR Integral part of case COMER chris Pes OE LEER mee 3 spur type AALS ne cose a Ball front Bushing rear vie e e ie E a D 6 4tol STEERING ASSEMBLY Clutch shaft Steering cross member Clutch brake shaft sha Steering unit lever FEA 75092 Illust 5 Underside view of steering support and frame cross member Removal Steering column Bronze washer 1 Remove t
19. ctor Refer to page 19 this manual for splitting procedure 2 Place an oil pan under the reduction housing and remove the creeper assembly if tractor is so equipped Broke lever Oil pan Illust 20 Power train supported for disassembly 3 Remove the brake lever pivot pin and push rod Illust 20 4 Remove the reduction housing front cover plate Illust 20 21 Drive coupling FEA 75102 Ilust 21 Reduction drive exposed 5 Hold the drive coupling and shaft from turning and remove the reduction gear re taining capscrew and washers Remove the gear spacer Illust 21 6 Remove the reduction gear from the transmission shaft and from the housing NOTE It may be more convenient to pull the reduction drive shaft seal and bearing as shown in Illust 22 before re moving the reduction gear from the housing Clearance between the gear and the cap screw bosses restricted on some tractors 7 Remove capscrews from holes and B 22 Creeper drive shaft pilot bushing FEA 75103 Must 22 Pulling reduction drive shaft seal and bearing NOTE Soft copper sealing washers are used under the B capscrew heads 8 Move the housing forward and away from the transmission housing as the brake disk slides off the transmission countershaft 9 Pull the reduction drive shaft seal and bearing from the reduction housing if it was not removed in step 6 NOTE 10 Support the
20. e rod from the brake lever 8 If tractor is equipped with three point hitch remove the lift bar and its at taching plate See Illust 19 insert 9 Place a jack under the implement lift handle cross shaft to support the frame Refer to 17 10 Remove three capscrews from each side of frame NOTE Capscrews hold frame to the rear axle transmission and reductiondrive housings 19 Holes in frame are seen in Illust 18 Splitting the tractor 11 Push down on the drawbar and pull rearward on the transmission shifter lever Refer to Illust 18 Move the transmission differential rear end assembly rearward far enough to dis engage from the clutch shaft coupling Illust 19 Tractor split for service of cre drive transmission and differen 20 Lower the front end creeper to clear creeper shift lever through frame slot then assembly can be moved rearward and away from the frame 12 Support the transmission housing on a stand or block and drain the lubricant if internal service is to be performed 13 Recoupling of the tractor is basi cally the reverse of splitting however precautions should always be taken to safe guard against damage to shafts bearings seals etc when aligning and securing com ponents which work together Always use recommended lubricants as specified in the Operator s Manual REDUCTION DRIVE Removal and Disassembly 1 Split the tra
21. efer to 29 5 Pull the mainshaft forward and out of the transmission as the gears are removed 6 Push the countershaft rearward and out of the transmission as the gears and FEA 75107 Illust 29 Front view of transmission spacers are removed Note the sequence of spacers and gears for reassembly See Specifications for spacer lengths 7 Pullthe mainshaft needle bearing from the housing 8 Remove the reverse idler shaft and gear 9 Remove the countershaft front bear ing retainer and shims Inspection and Repair 1 Wash all parts in cleaning solvent and dry with compressed air Do not spin bearings 2 Check all bearings for looseness wear roughness pitting and scoring 3 Check gears and shafts for wear and burrs Remove any burrs with a fine stone 4 Inspect the housing for cracks stricted oil passages and dents or raised places on its machines faces Smooth off raised places with a file Reassembly Reassembly is basically the reverse of disassembly however particular attention should be given to the following steps Re fer to Illust 3 for location of parts l Be sure all bearings are thoroughly lubricated 2 The transmission mainshaft needle bearing must be installed with its oil hole aligned with the oil hole in the housing Emme Mlust 30 Checking pre load of differential bearings 3 Assemble the differential carrier bearings cag
22. es and shims Check bearing pre load and adjust as necessary before re placing the transmission countershaft In stall or remove shims as necessary Pre load is correct when a steady pull of one to 27 three pounds is necessary to rotate the dif ferential assembly as shown in 30 4 Remove the differential assembly keep the shims with the cages then install the transmission countershaft bearings gears spacers front bearing retainer shims and nut Tighten the nut to 85 ft lbs Tighten retainer capscrews to 20 ft lbs 5 Install the differential assembly keeping the pre load shim pack correct as previously established Drive gear must be on the right with teeth facing left 6 Check the backlash between the drive gear and pinion and the gear teeth bearing pattern as follows Refer to Illust 31 P ut gt Figure A Figure B d Figure D lt 6 284 79966 Illust 31 Tooth bearing pattern 7 Apply a thin coat of red lead or prussian blue to the bevel pinion teeth faces then rotate the gears by hand and Observe the bearing pattern Some deflection will occur under load Allowance is made in gear design to pre vent concentration of load on teeth edges 8 Hand testing and very light loads should provide a pattern as shown in Figure B Illust 31 When load and deflection increases the pattern will progress as in Figure 9 The desirable no load pattern in Figure
23. he steering wheel Jam nut 2 Remove the felt seal retainer bear ing and bearing retainer from the upper end of the steering column Adjusting nut 3 Remove the drag link rear ball joint from the steering unit lever eese Steering lever 4 Remove capscrews A Ilust 5 end bolt from the frame cross member and steering Adjusting plug unit FEA 75093 5 Lower the steering column assembly through the instrument panel pedestal and grommet Illust 6 Steering assembly 10 Steering column Bronze Cam follower Adjusting nut Plug staking hole Steering lever and bolt Adjusting plug FEA 75093 Illust 6 Steering assembly gt Disassembly 1 Secure the steering lever and bolt in a vise 2 Remove the adjusting plug 3 Remove the lever bolt jam nut ad justing nut and bronze washer 4 Slide the column and housing assem bly away from the lever bolt and cam fol lower 5 Remove the steering cam and bear ings from the housing 6 Remove the bearing race retainer snap rings Inspection and Repair 1 Wash all parts in cleaning solvent then dry thoroughly Bearing race retainer rings Mlust 7 Inspection of steering cam bearings and races Arrows and pencil indicate areas for inspection 2 Inspect the cam follower for wear flat spots 3 Inspect the cam ends bearings and races for wear roughness and pitting 4 Inspect the cam grooves for wear roughness
24. ing and release bearing 8 Place the assembly in a press as shown in Illust 13 Center the clutch driven disk and compress the loading spring sufficient to install the coiled spring pin Installation and Adjustment l Place the clutch shaft over the frame cross member and move it rearward to en gage the coupling to the reduction unit or creeper drive shaft 2 Align the release lever to its bracket install the pin and secure with cotter 3 Apply chassis lubricant or Lubri plate liberally to the clutch shaft pilot bushing 4 Slide the engine rearward while aligning the clutch shaft into its pilot bush ing and the drive plate pins into their holes in the driven disk 5 Align the engine mounting capscrew holes and install the capscrews 6 Align the clutch shaft coupling rear pin hole with pin hole in reduction drive or creeper drive shaft and install the pin 7 Connect the clutch release rod to its pedal shaft lever and secure with the return spring Clutch release lever Clutch 1 housing z FEA 75II4 Illust 14 Underside view of broke and clutch control linkage Clutch disengaged Clutching zone tractor must be free to coast Neutral zone D Both brake and clutch are disengaged when pedal is in this zone Braking zone Brake must be engaged when pedal is in this zone 1 3 8 inch maximum Brake must not engage until pedal arm reaches this position Brake
25. is the result of adjusting the bevel gear lateral position to the specified range of 003 to 005 backlash 10 Tooth bearing position from the root to the crown of the tooth is controlled by lateral position of the pinion If low tooth bearing on bevel pinion is indicated as shown in Figure C the pinion must be adjusted toward the bevel gear If high tooth bearing on the bevel pinion is indi cated as shown in Figure D the pinion must be adjusted away from the bevel gear NOTE If it is necessary to move the pinion in or out to correct Root to crown CREEPER Removal 1 Split the tractor Refer to page 19 this manual for splitting procedure 2 Support the transmission and reduc tion housing on a suitable block place an oil drip pan under the creeper unit and drain the creeper lubricant Refer to Illust 19 3 Four capscrews hold the creeper housing to the reduction housing cover plate Remove the capscrews 4 Bump the creeper to the side to loosen the housing from its gasket and dowels Pullthe creeper forward from the reduction cover and splined coupling 5 If the driven coupling or the pilot bushing needs replacing support the cou pling and drive out the coiled spring pin Remove the coupling bearing the bevel gear must also be moved laterally to maintain the specified backlash ll Stake the countershaft nut by center punching the face of the nut over a spline groove Refer to Ill
26. ive out the retaining pin from the front of the axle pivot pin 1 Illust 9 3 Remove the pivot pin 1 The front axle 2 is now free of its mounting and can be removed Illust 9 Inspection and Repair l Inspect all parts closely for wear bending and breaks Ilust 10 Checking wear front axle for steering knuckle pins 13 2 Check fit of steering knuckle pivot pins to their respective bore in the axle Each part may be checked with microme ters and snap gauges to determine the ex tent of wear 3 Check front axle pivot pin and its fit in the axle Reassembly of Front Axle 1 Apply chassis lubricant liberally to the axle pivot pin and its bore in the axle 2 Position the axle in its support bracket channel align the pivot pin holes and insert the pin 3 Align the retaining pin holes through the front of the pivot pin and through the front collar of the support bracket then drive the retaining pin through both parts Reassembly of Steering Knuckles Illust 9 1 Apply chassis lubricant liberally to the steering knuckle arm thrust surface and the bottom of the axle ends 2 Insert the right hand knuckle pin 7 in its respective bore in the axle and secure with the capscrew and flat washer 3 Insert the left hand knuckle pin 6 in its bore in the axle and position the drag link arm 8 on the pin 4 Secure the drag link arm 8 and knuckle 6 with the coiled spring pin NOT
27. l the axle carrier to the differential housing Cap screw threads should be coated with a non hardening sealer permatex to avoid oil leaks The frame pad of the axle carrier must be to the top as shown in 24 4 Fill the cavity between the lips of the oil seal with chassis lube or heavy oil 5 Lubricate the axle shaft and bushing then slide the shaft through the seal bush ing carrier and differential side gear Ro tate the axle as it is pushed through to avoid damage to the seal Wipe off excess lubricant 6 Install a new C type snap ring to the inner end of the axle shaft 7 Replace the rear cover and drawbar 8 Fill differential housing to proper level with specified lubricant TRANSMISSION AND DIFFERENTIAL Complete service of the transmission requires splitting of the tractor removal of the reduction drive and creeper if so equipped rear axles carriers and the dif ferential The differential can be removed and replaced without disassembling the transmission however the transmission countershaft should be removed when check ing preload of the differential carrier bear ings The transmission and differential are therefore covered together Removal and Disassembly Differential 1 Drain the lubricant 2 Split the tractor Refer to page 19 3 Remove the reduction drive to page 21 Refer 4 Remove the rear axles and their car riers Refer to page 23 5 Remove the differe
28. le for field application This planetary gear re duction unit is mounted ahead of and is se cured to the front of the reduction drive A speed selection lever provides standard or creeper speed shifting as desired hjquiass 1021 sso1 y ITT uid 9207 US N 1098 opis Y f SS 7 N N suus NN 1 o xo 10o Buu doug ajxo ou Buuoaq 1911403 NN 7 N Burysng 1995 sunus 945 uoru d 494509 494509 SPECIFICATIONS Steering RON ET EE ME ID Cam and lever salts pawn vi ars lt gt pe ay Nor lo hel Ball Front Wheels whe 6 Sealed pre lubricated ball EIL TTA 1 375 to 1 380 in POST uen a BIS UM IE a 1 32 to 1 8 in Camber angle 2 1 2 degrees Caster angle 0 degrees O ter SP 6 ft 9 in Front Axle Conabusdion SISE GS ape wt oho I Beam BIDUO UC UE Sue Rr US c VEIT X avt were RT Center pivot shaft Steering knuckle 747 to 750 in Tire Size ENS Cer pe ccm ST 4 80 4 00 x 8 Do IRAE RITE Uti sacar ie 6 00 x 12 SL a EONS Seer mirage 43 in VIC NC CLR auc 27 in Lasgm Over dll imi yr 63 in Wido Overall o oe eoe e 33 1 4 in v obere gt 6 i
29. n Clutch TVDE S cos ns oy Tyri Hoa RE Double plate dry disc spring loaded RENS 4 1 2 in Chitch release bearing Sealed pre lubricated ball Clutch loading spring Free length 6 70 in Test length 5 18 in OBE CARGO Are oe 235 to 240 lbs Clutch teasing spring a TEE CE A a 442 in ays S uwe 4 x rur e P ERE 370 in o6 v oio ice koX ey 41 5 rare pane a 50 lbs Brake er T SC RI DEP Eee ke Internal caliper DOOR SSS Oh ree LS On transmission countershaft Reduction Drive Input shaft with integral gear 12 teeth Teiven GE n c EE Hz pe EA o ate 84 teeth CNN LEN INDE 004 to 011 in Bearings D vc DENS OA Ball front Needle rear Transmission Qo ANE UT Rv Selective sliding spur gears Gears forward TY 0 QETA OETA iere do us revered Eoo s ov ORO ea ee 1 Bearings Gogntendhaft Lx 23 a a EE MET Ball front Roller rear Main shaft 5 ok cee ee MERC xc es v AIME oe Ball front Needle rear Countershaft and bearing spacer lengths l Between front bearing and 3rd speed driven gear 848 to 852 in 2 Between 3rd speed driven gear and 2nd speed driven FERE To DAL AD ram 1 310 to 1 314 in 3 Between 2nd speed driven ge
30. ntial carrier bear ing cage and shims from each side Keep the shims with each cage and identified for each side 6 Remove the differential from the transmission case NOTE The differential must be turned into position shown in Illust 26 before it can be removed 7 Drive out the pinion shaft lock 8 Remove the pinion shaft 9 Remove the pinion gears and side gears 10 If the differential drive gear requires separate replacement press out the eight retaining rivets 25 Illust 26 Removing differential from the transmission case shaft Lock pin Illust 27 Differential partially disassembled FEA 63409A ll Remove the bearing cones from the differential carrier if they are to be re placed 12 Remove the bearing cups from each cage if replacement is necessary Disassembly Transmission 1 Remove the differential as previous ly described on page 25 2 Remove the gearshift lever and cover assembly Mlust 28 Removing shifter rods Shift the transmission into two gear speeds to lock the transmission then remove the nut from the countershaft 3 Remove the shifter fork set screws then drive the shifter rods forward and out of the transmission pet ball hole to prevent the ball and spring from flying out as the rods are removed Refer to 28 CAUTION Cover the gearshift pop 4 Remove the capscrews from the main shaft front bearing retainer R
31. pect the loading spring ends Ends should be rounded to prevent gouging the clutch shaft Check the spring tension see Spec s 6 Inspect the clutch release lever chan nel for wear on the curved area where con tact is made with the release bearing 7 Inspect the clutch shaft for wear at the front pilot bushing area Pin holes should not be wallowed out or elongated Release bearing area and teaser spring area should be free from scoring 8 Clutch shaft coupling pin holes should not be wallowed or elongated Reassembly 1 Install the clutch shaft coupling onto the rear end of the shaft align the pin holes and secure by installing the coiled spring pin 2 Install parts to the clutch shaft in the following sequence flat washer loading spring flat washer release bearing long sleeve end forward release lever channel flanges toward rear and the teaser cush ion spring Illust 13 Compressing the loading spring for pin installation 3 Install coiled spring pin through the shaft second hole from shaft front end 4 Install rear pressure plate over shaft so that pin slots in the hub engage the pin 5 Install the friction driven disk and the locating pressure plate 6 Align the pin holes of the shaft and locating pressure plate hub and secure with coiled spring pin 7 Apply chassis lubricant or Lubri plate to that area of the clutch shaft which will be covered by the teaser spr
32. ractor Clutch Tractor Brakes Tractor Chassis CONTENTS Page NNER OCHO cuv LET O wise 2 General Information 4 ea Foss P sat oa i Aks 5 5 eS c T RAMS C o NT 5 Reduction Drive 6 Transmission 2 4 9 OBEN 6 6 Rent A 2 a CRISIS 6 PronbAxie o NUES e 6 Front Wheels 575 a ec gt 6 Ste STG 55 va coU UNI ox 6 Creeper Attachment Underdeive o WE eus e sooo oris dome I 6 Specific ctione o oa OSEE 8 Steering Assembly s RP M vec PROS ee 10 Front Wheels cose s e o oa 12 Front Axl amp gt eens cw s ERST sce CORRI 13 Steering Sou 13 EIE S o pp VIS eds TA S 13 Inspection and 57 re voce ES Y a Ps 13 ReassemblyotverontAmie 2 17 5 aie ss a ER cen us 14 Reassembly of Steering Knuckles 14 GIS EN tri SEPTIES oorr Area E ENTE XY 14 Brake cM MEA usce e eun es le eov 18 Splitting Ihe TFGCIOR A E ai este te a S Gara dor e e e d 19 ROOM ONO Sto mA ide ED Y c 21 Li DD ell EA S ce OP TROC ERO OAERTN TODA OTT ORT ETATE 23 Tr nsmissiom OE ITAL Mu muet EUROS ape 25 Removal and Disassembly
33. ust 29 m 12 Continue the assembly in reverse order of disassembly 13 Fill housing to proper level with specified lubricant NOTE Creeper attachment has its own lubricant separate of the transmission Fill creeper at breather and check at side plug in creeper housing DRIVE Disassembly 1 Remove the snap ring which holds the input shaft bearing cage in the housing 2 Pullthe shaft bearing retainer planetary assembly and the direct drive coupling from the housing NOTE The spline grooves of the direct drive coupling must align with the splines of the shifter collar 3 Support the direct drive coupling and drive the coiled spring pin out Remove the coupling from the shaft 4 Slide the planet carrier off the input shaft and the planet gears off the carrier pins 5 Remove the flat thrust washer Driven coupling Pilot bushing Sun gear Snap ring Bearing Seal Input shaft ANNY Snop ring Bearing cage Snap ring Shifter collar Planet carrier Thrust washer O ring FEA 75108 Illust 32 Cross section side view of creeper drive assembly 6 A snap ring holds the ball bearing outer race in the retainer Remove the snap ring then push the bearing and shaft from the retainer Breather Shifter collar Shift yoke 7 The ball bearing is held on the shaft by a snap ring Remove the snap ring The shaft can now be pressed from the bearing
34. ve shaft Pressure plates Bushing Clutch shaft eduction gear oll 1 Snap ring Release Oil passage Rearing Creeper Transmission main shaft attachment Cover plate Brake disc Ilust 3 Cross section power train Brake adjusting screw Brake lining Clutch adjusting nut Clutch drive plate FEB 14034
35. ward to clear the cover screw bosses as the gear is lifted from the hous ing NOTE See NOTE paragraph 6 page 21 7 Slide the brake disk forward on the countershaft as the front lining and retainer are moved forward in their bore Refer to Illusts 3 and 16 NOTE Both linings and the disk can be removed without removing the front lining retainer however removal of the retainer is recommended for inspection and replace ment of the retainer O ring Rear lining recess Retainer bore Brake disc Retainer Lock nut Push rod Adjusting Front lining Ball screw Brake lever FEA 75097 Illust 16 Exploded view of brake components and reduction housing Inspection 1 Inspect the control rods and levers for wear at their connecting pivot points 2 Inspect the linings and disk for wear 3 Inspect the disk hub splines for wear 4 Check the splines on the countershaft for wear 5 Check the pedal return spring ends for wear Reassembly and Adjustment 1 Clean the brake cavity and lining re cess in the reduction housing 2 Place a small quantity of grease in the rear brake lining recess in the reduc tion housing then insert the lining 3 Install the disk on the countershaft and slide it rearward against the rear lining 4 Install a new O ring on the front lin ing retainer lubricate the retainer and O ring then push them into the retainer bore in the reduction housing 5 Install the front
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