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Domestic Compact Electrical Systems

84

2.6.

Kohler powered tractors use a similar engine kill
relay arrangement. See Figure 2.6.

•

Engine kill relay has red, green, and black wires.

•

When the red wires are hot, the relay is ener-
gized, pulling the normally closed contact open,
breaking the path that grounds-out the magneto.

•

When power is taken away from the red wire by
turning the key switch to OFF, the relay de-ener-
gizes, and the magneto is grounded when the
normally closed contact (magneto primary wind-
ings) connects with the common contact
(ground)

•

A second relay controls the charge circuit and
after-fire solenoid (red wires, and red wires with
white trace).

•

When the key is ON, regulator out-put and the
after-fire solenoid are connected to the battery:
charging the battery and powering the solenoid.

•

When the key is OFF, the relay is de-energized,
breaking contact with the battery. With the after-
fire solenoid receiving power only from the regu-
lator, the fuel flow stops when the rotor (fly-
wheel) stops turning.

2.7.

Located on the dash panel are the hazard
flasher switch, light switch, PTO switch, Key
switch, and instrument panel. See Figure 2.7.

2.8.

With the access panel removed, any of the
rocker switches can be taken out of the dash
panel by squeezing the retaining tabs.
See Figure 2.8.

Figure 2.6

Main fuse

Charge

Kill relay

relay

Kohler-powered
tractor

Figure 2.7

Lights

Hazard

PTO

Key switch

Figure 2.8

www.mymowerparts.com

K&T Saw Shop 606-678-9623 or 606-561-4983

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Содержание Domestic Series 5000

Страница 1: ...t This includes the contents of the Operators Manual which came with your equipment No liability can be accepted for any inac curacies or omission in this publication although every care has been take...

Страница 2: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983...

Страница 3: ...6 In Frame Repairs Drop Axle Service 37 In Frame Repairs Drop Axle Cover 38 In Frame Repairs Drop Axle Removal 40 Bench Repairs Drop Axle and Kingpin Housing Assemblies 42 Bench Repair Axles and Diffe...

Страница 4: ...II CHAPTER 6 Electrical System Similarities and Differences 81 Components 82 Electric Clutch and Fuel Pump 90 www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983...

Страница 5: ...the front surface of the transmission housing adjacent to the mid mount 2000 R P M P T O shaft See Figure 1 3 Figure 1 3 system filter Hydraulic Suction tube feeds aux iliary pump 1 4 The hydrostatic...

Страница 6: ...ump the fluid goes to the hydrostatic drive and to the P port on the steering unit See Figure 1 13 1 14 The steering unit distributes pressure to the steering cylinder according to the position of the...

Страница 7: ...ght turn Pressure from L port left turn Figure 1 19 Fluid return from T port Fluid return from lift valve 30 PSI check valve Lift valve Charge pressure 30 PSI 1 22 From the E port fluid will travel to...

Страница 8: ...rns a shaft that passes completely through the housing of the hydro driving an engine speed input shaft in the transmission 2 2 The input shaft drives the auxiliary hydraulic pump and the P T O They a...

Страница 9: ...swash plate the other way causes the variable displacement pump to drive fluid through the fixed displacement pump in the opposite direction See Figure 2 6 2 7 When the swash plate is flat the pump p...

Страница 10: ...If the brake and drive pedals fight with each other the drive control rod is out of adjustment See Figure 3 5 NOTE Isolate the hydrostatic drive unit from the linkage and confirm the correct adjustme...

Страница 11: ...irm whether the problem lies in the hydro or elsewhere With the engine running confirm that the PTO operates when it is turned on This confims that the input shaft is turning On smooth firm level grou...

Страница 12: ...eved NOTE Sealants O ring fittings require no sealant though light lubrication with the fluid used in the system is sometimes helpful Teflon tape is to be avoided Flash from the tape can dislodge bloc...

Страница 13: ...functioning sys tem relief valve Figure 5 8 200 PSI gauge High pressure gauge 5 11 If the charge pressure is good but drive has been lost in one direction only the correspond ing charge check valve ma...

Страница 14: ...unit is passing that flow along to the return manifold through the T port but pressure is being lost in the return circuit The most likely culprit is the return circuit check valve 5 18 Conclusion If...

Страница 15: ...valve can be removed for inspection The nut and set screw are not a means of adjusting pressure See Figure 5 20 Figure 5 19 30 PSI Check valve Fluid return from T port Fluid return from lift valve Fig...

Страница 16: ...y ques tion of its condition Confirm that the suction tube that provides fluid to the auxiliary pump from the sump of the trans mission is not crushed or kinked and that the connections are free of le...

Страница 17: ...rostatic steering and hydraulic lift cylin der The auxiliary pump was observed to move about 4 6 GPM 15 LPM at an engine speed of 3 000 RPM with no load applied Flow will vary with engine speed but pr...

Страница 18: ...problems are described to aid technicians in distinguishing internal steering unit problems from problems that lie elsewhere in the system Internal problems dictate replacement of the steering unit Hi...

Страница 19: ...ming Solution 2 Internal problem cardan shaft gear wheel timing Slow Steering Cause 1 Insufficient fluid flow to the steering unit Confirm by testing the out put of the auxiliary pump Solution 1 Repai...

Страница 20: ...for any reason the engine must be started to provide pressure from the auxiliary pump With auxiliary pump pressure to assist turn the steering wheel lock to lock three times to purge air from the stee...

Страница 21: ...ting an externally visible leak Figure 7 16 7 20 To check for blow by turn the steering wheel in whichever direction causes the flow meter on the test kit to rise If the test kit is attached as illust...

Страница 22: ...ravel is not under hydraulic force and is only caused by the weight of the lift arms and any accessories mounted to them At any point in their travel the lift arms may be manually lifted beyond the po...

Страница 23: ...lexity of the shifting fulcrum linkage used on the domestic Series 7000 8 9 The category 1 three point hitch system on the domestic Series 5000 tractor should be capable of lifting 950 lbs 430 Kg 24 i...

Страница 24: ...erated unless the auxiliary pump is failing 8 17 Turn off the engine Retract the lift cylinder fully to relieve pressure from the hydraulic system 8 18 Remove the test kit from the line between the st...

Страница 25: ...the hydraulic lift lever rearward to raise the lift arms Figure 8 22 Disconnect here Figure 8 23 To valve To cylinder 8 27 As the lift arms travel upward note the reading on the flow meter It should...

Страница 26: ...plings that is associated with that movement 1 3 or 2 4 9 3 With the test kit installed to test the boom the kit loops fluid from one boom connector to the other They hydraulic lines that lead to the...

Страница 27: ...apply downward pres sure to the boom The test can be reversed to check lifting ability by reversing the connection of the test kit and pulling the loader valve control lever back instead of pushing f...

Страница 28: ...e facet increments Loosen the jam nut Make adjustment 1 6th turn or less Tighten jam nut Install pivot bracket Test relief valve pressure Repeat as necessary DO NOT crank up the pressure beyond 1 500...

Страница 29: ...g seal and Ultra black sealant are used to seal the pump to the front of the transmission Figure 10 1 Auxiliary pump drive gear Nut Lock tab O ring seal Auxiliary pump 10 2 The back cover can be remov...

Страница 30: ...ts of the steering unit are not available through Cub Cadet 11 1 The fittings on the end of the steering unit extend through the first two sections of the body into the third and largest section They...

Страница 31: ...heel motion See Figure 11 3 Figure 11 2 Figure 11 3 11 4 The cardan shaft transfers motion from the steering wheel through the body of the steering unit to the pump See Figure 11 4 11 5 The relief val...

Страница 32: ...eeve to the spool The effort it takes to deflect the leaf springs determines the amount of force that must be applied to the steering wheel before hydraulic force is applied to the steering 11 8 A dow...

Страница 33: ...es 5000 Hydraulics 29 11 10 There are two types of leaf spring flat and bowed A pair of each goes together back to back See Figure 11 10 Figure 11 10 www mymowerparts com K T Saw Shop 606 678 9623 or...

Страница 34: ...Domestic Series 5000 Hydraulics 30 www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983...

Страница 35: ...produced MFDs only NOT to the outsourced MFDs that were used in some early production domestic Series 7000 tractors For tractors with warrantable repairs required to a Cub Cadet built MFD The complet...

Страница 36: ...eries 7000 has five tapped bolt holes on the axle flanges 1 8 The Series 5000 MFD is wider than the Series 7000 MFD The outside edge measured at the top of the axle flanges on the 5000 are 3 1 2 8 9 c...

Страница 37: ...y Stubby Extended Mounting 1 piece 2 piece 1 piece Wheel 5 bolt 5 bolt 4 stud 2 MFD REMOVAL PREPARATION NOTE This procedure can be done on tractors that are equipped with cutting decks front end loade...

Страница 38: ...h See Figure 3 4 3 5 Remove the four bolts holding the steering cylin der bracket to the MFD housing using a 19 mm wrench See Figure 3 5 NOTE Only the inner two bolts closer to the axle mounting brack...

Страница 39: ...ry Disconnect the negative terminal using a 3 8 wrench Disconnect the positive terminal using a 3 8 wrench Carefully lift the battery out of the tractor NOTE Removing the battery yields access to two...

Страница 40: ...cking ring has worn replace the nut with a new one or apply a small amount of thread locking compound such as loctite 242 blue to the threads on assembly 4 6 Install the front wheels 4 7 Lower the tra...

Страница 41: ...period of the domestic Series 7000 tractor repairs to the MFD will be accomplished by replacement of the com plete assembly Refer to the Service Policy portion of the MFD section of this manual NOTE R...

Страница 42: ...n be removed with light pressure on the bear ing or preferably by lifting the axle bevel gear See Figure 6 5 6 6 Lift the gear off of the splined portion of the flange axle to gain access to the retai...

Страница 43: ...o shoulder for the seal to seat against so it must be driven far enough that the outer edge of the seal is flush with the outer edge of the machined bore that the seal seats in Lubricate the lip of th...

Страница 44: ...g and the stud for the steering cylinder See Figure 7 5 7 6 At this point the most common service proce dure will be to remove the kingpin housing and drop axle housing as a unit 7 7 If there is obvio...

Страница 45: ...7 11 NOTE It may be useful to use the head of a loosened bolt to pry or drive against to loosen the sealant between the two castings Figure 7 9 Kingpin housing Drop axle housing Figure 7 11 Bolts 7 1...

Страница 46: ...the kingpin housing fixture it in a soft jaw vise 8 3 Carefully drive the kingpin shaft out the bottom of the kingpin housing See Figure 8 3 NOTE There is a snap ring in the bore of the kingpin housi...

Страница 47: ...ly pry the gear and bearing out of the bore at the base of the drop axle housing See Figure 8 11 8 12 Use a bearing puller to separate the gear from the bearing See Figure 8 12 8 13 To assemble the dr...

Страница 48: ...nstall the two seals above the tapered roller bearing using an appropriate driver See Figure 8 18 NOTE The open side of both seals faces into the casting The first seal should be driven roughly 1 4 in...

Страница 49: ...of 220 280 in lbs 25 34 Nm Lubricate the o ring seal that fits tin the groove in the plug shaft and slip it into position on the plug shaft Install the plug shaft in the top of the kingpin housing Pos...

Страница 50: ...hem as well If the drop axles are undamaged and the gear lube they contain is not contaminated they need not be drained for removal 9 5 Remove both drop axle housings using a 17 mm wrench See Figure 9...

Страница 51: ...with light pressure Figure 9 9 Figure 9 10 Left side axle housing Left inner axle bearing Spacer sleeve 9 11 A spacer resides between the inner axle bearing and the differential bearing See Figure 9...

Страница 52: ...Figure 9 16 9 17 After the nut is de staked use the front wheel drive shaft to hold the pinion shaft while tuning the nut with a 1 1 4 wrench See Figure 9 17 NOTE A damaged driveshaft cut off to a le...

Страница 53: ...rings are suspect drive the outer races from the pinion bore as well Keep the races associated with the same bearings that originally ran in them See Figure 9 22 9 23 Remove the right side differentia...

Страница 54: ...n be removed using a 13 mm wrench 9 30 Clean and inspect all components Replace all of the seals and o rings Replace the stake nut that goes on the pinion shaft If the bearings show signs of damage we...

Страница 55: ...gs pinion bearings Spacer O ring Pinion gear input shaft groove for O ring Washers stake nut 9 38 Tighten the pinion nut until the pinion gear is subject to 25 30 in lbs 2 825 3 40 of drag To measure...

Страница 56: ...tes from a hydraulic press work well to hold the flange on the outer end of the axle housing about 1 25 3 175 cm above the work bench This will provide a stable support for the assem bly and hold the...

Страница 57: ...See Figure 9 49 9 50 Dimensions for the fabrication of a differential set up plate tool are given below See Figure 9 50 9 51 The set up plate tool is necessary to stabilize the differential permittin...

Страница 58: ...is set it is necessary to set the remainder of the end play between the differen tial and the left side axle housing 9 55 Remove the differential set up plate tool 9 56 Confirm the presence of the spa...

Страница 59: ...in a vertical position while moving the assembly Support the axle shaft with one hand during movement If the technician is not comfortable lifting the weight of the axle assembly they should seek an a...

Страница 60: ...the right side axle as was done previ ously for the back lash measurement NOTE Confirm that the roll pin in the cross shaft engages the bore in the end of the axle shaft 9 71 Carefully lift the right...

Страница 61: ...sings together 9 78 Install the bolts and tighten them to a torque of 160 220 in lbs 18 25 Nm using a 13 mm wrench Figure 9 76 Left axle housing Right axle housing Outer axle bearing 9 79 Install the...

Страница 62: ...surface apply threadlocking compound to the bolt threads and install the right side drop axle housing in the same manner as the left side drop axle housing 9 86 To install the pinion seal position th...

Страница 63: ...from turning in the tie rod ends Tighten the nuts to a torque of and tighten the nut to a torque of 264 312 in lbs 30 35 Nm using a 3 4 wrench NOTE If the nylon locking ring on the tie rod end nuts i...

Страница 64: ...Nm 242 blue Tie Rod End Jam Nuts 360 420 in lbs 488 570 Nm 242 blue Steering Cylinder Stud to Housing 267 ft lbs 362 Nm 242 blue Steering Cylinder Stud Nut 150 ft lbs 136 Nm 242 blue Steering Cylinde...

Страница 65: ...ut of the transmission than to remove the attachments This may be the case when a customer anticipates the instal lation of a backhoe in the near future If there are no attachments mounted on the trac...

Страница 66: ...of the transmission along with the axle bearing See Figure 1 11 1 12 With the axle removed it can be compared to the replacement axle to confirm correct length See Figure 1 12 NOTE The left axle is s...

Страница 67: ...igure 2 1 Drive in studs Figure 2 2 Seal Drive flange Machined surface for seal lip Lubricate 2 3 Put the retaining ring on the axle with the sharper edge facing the seal 2 4 Install the axle bearing...

Страница 68: ...r similar object to press with This will ensure that the seal is pressed in evenly and winds up flush with the outer surface of the housing A brake adjustment spoon or similar tool can be used to appl...

Страница 69: ...of the trac tor 1 6 Remove the right rear wheel 1 7 Remove the lynch pin securing the right lift link to the right lift arm three point hitch at the rear of the tractor and disconnect the lift link f...

Страница 70: ...that the hairpin clip that secures it is on the inside of the arm See Figure 1 12 2 LIFT SHAFT AND ARMS 2 1 Install one Double D bushing in the right side frame with the flange outside the frame See F...

Страница 71: ...t shaft and right side lift arm in place Figure 2 5 Tension pins Bushing Left side lift arm in position 3 HANGER TO DECK CONNECTIONS 3 1 Assemble the hanger rod mounting pins to the front hanger rod t...

Страница 72: ...ing on the input shaft of teh gearbox on the cutting deck It acts as a stop for the driveshaft 4 3 Connect the drive shaft to the deck and secure it with the socket head cap screw as a through bolt Ti...

Страница 73: ...7 Turn the engine off and remove the keys from the key switch NOTE Effective cutting height of the deck is measured at the bottom of the blade tips when they are appropriately positioned for the mea s...

Страница 74: ...Series 5000 deck adapter kit 190 830 100 70 www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983...

Страница 75: ...igure 1 2 1 3 With the insert panel removed the fuse and relay center can be easily reached in the lower right corner of the dash Figure 1 2 Insert panel Screws 1 4 The switches can be removed by sque...

Страница 76: ...ead blow hammer 1 10 The bottom lip of the steering shaft boot can be easily separated from the dash panel 1 11 There is a shoulder bushing and flat washer on the steering shaft They provide support f...

Страница 77: ...Z fitting Figure 1 15 Choke cable Throttle cable 1 16 Remove the two phillips head screws that secure the lower rear corners of the dash panel See Figure 1 16 1 17 Disconnect the dash wiring harness f...

Страница 78: ...engined tractors passes through the large opening in the pedes tal below and to the left of the steering column bracket See Figure 1 23 1 24 The choke cable then passes through the grom meted hole at...

Страница 79: ...ension needs to be adjusted do so before the dash panel is fastened down It will be necessary to lift the dash panel to reach the adjustment nut with a 9 16 wrench See Figure 1 33 Figure 1 33 Nut to a...

Страница 80: ...nting plate two bellville washers face to face flat washer locking nut The throttle lever passes through all of these parts with the ears on the lever engag ing the slots in the throttle tab See Figur...

Страница 81: ...t to the pedestal using a 3 8 wrench See Figure 3 5 3 6 Lift the steering column bracket and steering shaft off of the pedestal 3 7 Slide the brake lever bracket to the right to remove it from the par...

Страница 82: ...the steering pump to the pump mounting bracket Tighten the bolts to a torque of 10 ft lbs Position the steering shaft and steering coulmn bracket as an assembly connecting the parking brake lever and...

Страница 83: ...gh the brake lever bracket 4 5 Remove the four bolts that hold the steering col umn bracket to the pedestal using a 3 8 wrench 4 6 Clean the area surrounding the steering pump hydraulic connections an...

Страница 84: ...ering coulmn bracket as an assembly Attach the steering pump to the pump mounting bracket connecting the parking brake lever and parking brake rod in the process It will be nec cesssary to rotate the...

Страница 85: ...tool is available at reasonable cost through many truck vendors and auto parts stores such as NAPA 1 4 Early versions of the Series 7000 used a hall effect sensor mounted in the transmission to send...

Страница 86: ...on the diesel engines are similar enough to automotive designs that an automotive type AVR tester eg Snap On MT3750 can be a feasible alternative 1 14 As with all electrical systems do not neglect th...

Страница 87: ...164 A glow plug timer that supplies power to the windings of the glow plug relay during the pre start cycle Caterpillar and Briggs Stratton Daihatsu each use different glow plug timers A main fuse 30A...

Страница 88: ...res with white trace When the key is ON regulator out put and the after fire solenoid are connected to the battery charging the battery and powering the solenoid When the key is OFF the relay is de en...

Страница 89: ...ade connectors are color coded Red for the Hazard circuit and Blue for the Head light circuit Figure 2 9 Headlight switch Hazard flasher switch 2 10 The PTO switch is more complex See Figure 2 10 The...

Страница 90: ...es the RUN con tacts and A terminal and D terminal are con nected to each other sending power through the orange wire to pin 16 start input on the panel 2 12 The instrument panel is easily unplugged o...

Страница 91: ...he reverse over ride switch on the series 7000 tractor one set normally open and one set normally closed Engaging the reverse over ride sends a ground signal to the instrument panel through the orange...

Страница 92: ...between the Series 5000 tractor and the other domestic compact tractors See Figure 2 21 The series 5000 reverse switch is located on the right hand side frame channel just in front of the pedal linkag...

Страница 93: ...d on the left hand side frame channel just in front of the pedal linkage with the plunger vertical up See Figure 2 23 Figure 2 22 Reverse switch Series 6000 and 7000 Figure 2 23 Brake switch Series 50...

Страница 94: ...e right hand side frame channel in front of the pedal linkages See Figure 2 27 2 28 The circuits completed by the closing of the three sets of contacts in the Series 5000 domes tic compact are as foll...

Страница 95: ...gasoline pow ered domestic compact tractors See Figure 3 3 Diesel powered tractors in the Series 5000 6000 and domestic 7000 line do not have elec tric fuel pumps Caterpillar engines have a mechanica...

Страница 96: ...Domestic Compact Electrical Systems 92 www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983...

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