Textron Jacobsen Turfcat 600 Series Repair Manual Download Page 1

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Technical Repair Manual

Hydraulic Drive Models
600 Series Turfcat
700 Series Frontline

Summary of Contents for Jacobsen Turfcat 600 Series

Page 1: ...Technical Repair Manual Hydraulic Drive Models 600 Series Turfcat 700 Series Frontline...

Page 2: ...can cause sever injury Those who use and maintain this machine should be trained in its proper use warned of its dangers and should read the entire manual before attempting to set up operate adjust o...

Page 3: ...RODUCTION CONTROLS ENGINE DRIVE TRAIN BRAKE SYSTEM STEERING WHEELS AND TIRES HYDRAULICS CHASSIS ELECTRICAL SYSTEM PREVENTIVE MAINTENANCE ATTACHMENTS OPTIONS MISCELLANEOUS 1 2 3 4 5 6 7 8 9 10 11 12 13...

Page 4: ......

Page 5: ...ON 1 INTRODUCTION 1A General Information 1 Contents 1 Index Numbers 1 Replacement Parts 1 California Proposition 65 Warning 2 Specifications 2 Serial Numbers 4 General Cleaning 4 Safety 4 Torque Value...

Page 6: ......

Page 7: ...each section of the man ual are given at the start of that section The designations L H left hand and R H right hand are used throughout this manual and refer to the oper ator s left or right when sit...

Page 8: ...si 250 bar Deck System Drive Hydraulic gear pump and motor w electro hydraulic control valve Deck number size 1 63 in or 72 in side discharge 60 in or 72 in rear discharge 60 in or 72 in Envirodeck or...

Page 9: ...pacity Dimensions Length with longest deck 122 12 in 310 cm Height to top of hood 44 5 in 113 cm Height to top of ROPS 82 in 208 cm Width tractor 52 in 132 cm Transport width w widest deck 85 5 in 217...

Page 10: ...hine at all times If they become worn torn or painted over new decals should be installed as shown in SECTION 14A of this manual DANGER Imminent hazards which will result in severe per sonal injury or...

Page 11: ...18 4 5 16 18 in lb Nm 157 17 7 210 23 7 220 24 8 305 34 4 5 16 24 in lb Nm 173 19 5 230 26 0 245 27 6 325 36 7 3 8 16 ft lb Nm 23 31 1 31 42 0 32 43 3 44 59 6 3 8 24 ft lb Nm 26 35 2 35 47 4 37 50 1...

Page 12: ...75 68 10 3 910 4 0 35 M6 Nm in lb 3 05 27 4 07 36 7 87 69 10 5 93 11 3 102 15 0 133 13 2 117 17 6 156 6 8 60 M8 Nm in lb 7 41 65 9 98 88 19 1 69 25 5 226 27 3 241 36 5 323 32 0 283 42 6 377 17 0 150 M...

Page 13: ...1 Materials Required 1 Specifications 1 2B Failure Analysis 3 General 3 2C Control Adjustments 5 General 5 Throttle 5 Neutral Switch 6 Traction Pedal Neutral Adjustment 6 Maximum Transport Speed 7 Par...

Page 14: ...CONTROLS 0...

Page 15: ...m Engine high idle speed 3150 rpm Neutral Switch Neutral switch Normally closed Traction Pedal Transport speed 10 mph 16 1 km h Parking Brake Brake pedal free play 0 750 to 1 5 in 19 to 38 mm Tools re...

Page 16: ...CONTROLS 2A 2...

Page 17: ...3 The unit creeps in either direction when the treadle pedal is not depressed a Traction pedal linkage out of adjustment b Centering spring out of adjustment a Adjust traction Section 2C b Adjust cen...

Page 18: ...CONTROLS 2B 4...

Page 19: ...eat and seat platform to the full upward position 3 Loosen the throttle cable swivel clamp on the injection pump 4 Position the throttle lever in the high speed posi tion with 0 0625 0 25 inch 2 6 mm...

Page 20: ...NEUTRAL ADJUSTMENT The traction pedal is designed to return to neutral when the forward or reverse foot pedal is released The trac tion pedal is centered with a centering spring linkage Figure 2C 3 l...

Page 21: ...ing at full rpm under load and the throttle is adjusted correctly Cutting quality is better at speeds well below the trans port speed of the tractor Local turf conditions may respond better to differe...

Page 22: ...ly BRAKE INTERLOCK SWITCH NOTE Use a multimeter to determine when the switch contacts open and close With the ignition switch in the ON position one of the switch wires will have a current of 12V avai...

Page 23: ...ace the components using the following procedure Figure 2D 1 1 Disconnect the battery ground black cable 2 Label the wires for proper identification and dis connect wiring 3 Remove the attached hardwa...

Page 24: ...CONTROLS 2D 10...

Page 25: ...aterials Required 1 Specifications 1 3B Failure Analysis 3 General 3 3C General Instructions 5 Contents 5 Cleaning 5 3D Engine 7 General 7 Engine Belt 7 Engine Oil 8 Air Cleaner 8 Radiator Service 9 E...

Page 26: ...ENGINE 0...

Page 27: ...opening closing temperature 160 F 71 C Anti freeze Ethylene glycol base Anti freeze mixture 50 50 with water Fuel System Fuel restriction at supply pump at high idle speed 4Hg Fuel supply pump pressu...

Page 28: ...ENGINE 3A 2...

Page 29: ...Test and replace relay Section 10 g Check position of the pedal h Adjust or replace the switch Section 2 and Section 10 2 Engine is hard to start or runs poorly a Fuel level low fuel or fuel fil ter d...

Page 30: ...ENGINE 3B 4...

Page 31: ...cleaner radiator Removal and installation of the engine is cov ered in this manual Engine repair is not included in this manual refer to the manufacturer s instructions NOTE Testing of the alternator...

Page 32: ...ENGINE 3C 6...

Page 33: ...Adjust the alternator drive belt to deflect 0 25 to 0 31256 in 6 to 8 mm with a force of 20 lbs Push at the midpoint between pulleys Figure 3D 1 See the engine manufacturer s manual Figure 3D 1 Alter...

Page 34: ...vacuator valve on the air cleaner cover traps sediment for dis posal A filtered air hose extends from the air cleaner to the engine intake A fresh air intake hose extends back to the air intake port a...

Page 35: ...e housing 6 Install the end cover with the dust evacuator located at the bottom of the assembly Secure with spring clips Figure 3D 6 Air Cleaner Assembly RADIATOR SERVICE The radiator is mounted betwe...

Page 36: ...an ual 6 The engine allows air to circulate through the radi ator cooling the antifreeze water mixture cool ant If the core becomes clogged with dust and dirt or the cooling fins are bent the radiator...

Page 37: ...a tor overflow outlet 5 Place a suitable container underneath the radiator and remove the lower radiator hose Drain the coolant system 6 Disconnect and remove the upper radiator hose 7 Loose the fresh...

Page 38: ...ace if necessary Install the radiator cap on the radiator 7 Install the fresh air intake hose on top of the shroud and secure with the hose clamp 8 Install the dust screen over the radiator and hydrau...

Page 39: ...unting The fuel water separator is mounted in the engine com partment on the left side above the engine Moisture and other foreign matter can accumulate in the fuel fil ter The filter should be change...

Page 40: ...of the fuel bowl and mounting 3 Turn the filter clamp counterclockwise to remove the filter and bowl 4 Turn the bowl clamp counterclockwise to remove the bowl from the filter 5 Inspect the bowl to fil...

Page 41: ...rain valve on the bottom of the fuel water separator 17 Operate the primer lever on the fuel pump to fill the fuel water separator with fuel Figure 3D 15 When fuel begins to flow from the fuel water s...

Page 42: ...he radiator engine block and engine oil 4 Remove the upper and lower radiator hoses 5 Remove the air cleaner assembly hoses 6 Drain the fuel tank 7 Disconnect the fuel outlet hose from the fuel tank t...

Page 43: ...replaced some components must be removed and installed on the new engine See the parts manual for additional information and illustrations ENGINE INSTALLATION Illustrations from the previous section...

Page 44: ...e fuel pump 10 Connect the throttle cable to the injection pump and the throttle cable housing to the clamp 11 Remove any fuel outlet hose plugs and connect the fuel outlet hose from the fuel tank to...

Page 45: ...ENGINE 3D 19 Figure 3D 22 Engine Components Throttle Cable and Clamp Air Cleaner Fuel Filter and Engine Mount Fuel Water Separator Alternator Traction Pump Exhaust Battery Radiator Hoses...

Page 46: ...ENGINE 3D 20...

Page 47: ...Service Tools Materials and Specifications 1 Materials Required 1 Specifications 1 4B Failure Analysis 3 General 3 4C Drive System Repairs and Adjustments 5 General 5 Drive System 5 Hydrostatic Pump...

Page 48: ...DRIVE TRAIN 0...

Page 49: ...b and pump 0 317 in 8 mm Front Axle Wheel motor mounting bolt torque 65 ft lbs 88 Nm Adapter plate mounting bolt torque 18 ft lbs 24 Nm Brake assembly mounting bolt torque 18 ft lbs 24 Nm Brake drum n...

Page 50: ...DRIVE TRAIN 4A 2...

Page 51: ...bang when shifting travel direction a Drive coupling worn or loose a Inspect coupling and motor shaft Tighten coupling or replace components as required Section 4C 2 No forward or reverse motion a Dr...

Page 52: ...DRIVE TRAIN 4B 4...

Page 53: ...hub on the hydrostatic pump shaft Removal 1 Remove the hydrostatic pump from the engine bell housing to gain access to the pump drive hub and to inspect the nylon drive flange 2 Remove the engine bel...

Page 54: ...wheel motor and apply 290 Loctite on bolts and torque the retaining bolts to 18 ft lbs 24 Nm 3 Install the brake assembly onto the adaptor plate and apply 242 Loctite on bolts and torque the retainin...

Page 55: ...BRAKE SYSTEM 1 SECTION 5 BRAKE SYSTEM 5A Service Tools Materials and Specifications 1 Materials Required 1 Specifications 1 5B Failure Analysis 3 General 3 5C Parking Brake 5 General 5 Linkage 5 5...

Page 56: ...BRAKE SYSTEM 0...

Page 57: ...Adapter plate mounting bolt torque 18 ft lbs 24 Nm Brake assembly mounting bolt torque 18 ft lbs 24 Nm Brake drum nut torque 250 ft lbs 339 Nm Front wheel bolt torque 55 ft lbs 75 Nm Rear wheel bolt...

Page 58: ...BRAKE SYSTEM 5A 2...

Page 59: ...n the engine is off a Brake is misadjusted b Worn brake shoes c Broken brake cable a Adjust brake Section 5C b Replace shoes Section 5C c Replace cable Section 5C 2 Tractor creeps with engine running...

Page 60: ...BRAKE SYSTEM 5B 4...

Page 61: ...ted between the brake pedal and the actuating lever When pushed the brake pedal pulls on the rod linkage which pulls the actuating lever The actuating lever has a cam type lobe which pushes the inner...

Page 62: ...ear and distortion Replace as necessary Figure 5C 3 Figure 5C 3 Brake Components 3 Inspect the parts listed below for wear and distor tion Replace as necessary Actuating lever Return spring Rod linkag...

Page 63: ...ximately 0 75 1 5 in 19 38 mm Figure 5C 4 Parking Brake Free Travel 2 Use a tape measure to gauge the free travel movement 3 Use the rod end coupling nut to adjust the free travel and actuating lever...

Page 64: ...BRAKE SYSTEM 5C 8...

Page 65: ...6B Failure Analysis 3 General 3 6C Steering Unit 5 General 5 Removal 5 Steering Valve Disassembly 7 Steering Valve Inspection 9 Steering Valve Assembly 9 Installation 13 6D Steering Cylinder 15 Genera...

Page 66: ...STEERING 0...

Page 67: ...ure Tools required Standard automotive hand tools Cleaning materials Stoddard solvent or equivalent Lubricants Refer to Section 11 Other service items 6 pieces 0 007 in 0 18 mm shim stock 0 5 in 13 mm...

Page 68: ...0 625 in 15 8 mm Steering cylinder stroke 8 in 203 mm Steering Axle Rear wheel toe in 0 625 to 0 125 in 1 6 to 3 2 mm Torques Steering valve cover nuts 22 to 24 ft lbs 30 to 32 Nm Steering cylinder ax...

Page 69: ...l bearings worn d Steering wheels out of adjust ment a Tighten Section 7C b Tighten or repair Section 6E c Repair Section 7C d Adjust Section 6E 4 Hard steering in one direc tion a Internal failure of...

Page 70: ...b Steering relief stuck open c Steering unit excessive inter nal leakage d Steering cylinder faulty e Charge pump failure a Change filter b Test Section 8L c Test Section 8L d Test Section 8L e test c...

Page 71: ...gure 6C 2 unless otherwise noted 1 Drain the hydraulic oil or install a vacuum pump on the hydraulic tank fill port 2 Remove the steering tower cover 3 Tag and remove the hoses from the bottom of the...

Page 72: ...STEERING 6C 6 Figure 6C 2 Steering Unit...

Page 73: ...vice fixture securely in a vise Figure 6A 1 2 Remove the nuts 1 and cover 2 3 Remove the nine needle rollers 5 4 Carefully remove the port manifold 6 Be pre pared to catch the three springs 7 Remove t...

Page 74: ...disassembly and inspection proce dures NOTE The following steps reference Figure 6C 4 unless otherwise noted 9 Remove the socket head capscrews 1 commu tator cover 2 commutator ring 3 and commu tator...

Page 75: ...ing 19 for brinelling spal ling and missing rollers 8 Discard all seals and seal rings 9 Inspect the commutator cover 2 and drive plate 9 for wear and damage A polished wear pattern is normal Figure 6...

Page 76: ...center of metering ring 15 with the commutator cover down see Figure 6C 3 15 Place a 0 007 in 0 18 mm shim shock 0 5 in 13 mm wide by 1 5 in 38 mm long in three places equal distance apart between th...

Page 77: ...5 in 13 mm springs 10 into the insolation manifold 13 and install the valve ring 8 24 Install the valve plate 9 as shown closed cylin der up in the valve ring 8 aligning the spring slots with the spri...

Page 78: ...gs 4 and seal ring 3 on the port cover 2 28 Install the needle rollers 5 in the port manifold 6 29 Install the port manifold 6 30 Install the lock nuts 1 Tighten the lock nuts grad ually in sequence t...

Page 79: ...he steering unit column mounting nuts and steering column clamp 3 Install the steering wheel 4 Align the steering wheel with the column hole and install the roll pin 5 Remove the plugs from the steeri...

Page 80: ...STEERING 6C 14...

Page 81: ...e area surrounding the steer ing cylinder especially the hydraulic hose fittings 4 Tag and remove the hydraulic hoses from the steering cylinder Immediately plug the hose ends and cylinder to prevent...

Page 82: ...burrs can be removed with emory cloth or light sand paper 8 Inspect the cylinder components for excessive wear scratches and burrs Replace parts as needed NOTE When disassembling the piston and rod gu...

Page 83: ...uide replace the rod guide seals and backup rings 4 Replace the piston seals and backup rings 5 Position the piston on the rod and secure with the piston nut Place the rod assembly in a soft jaw vise...

Page 84: ...replace the steering cyl inder mounting spacer and flat washer 2 Position the steering cylinder for installation on the axle and secure with a bolt flat washers spacer and nut 3 Install the ball joint...

Page 85: ...t exceed 0 0625 in 1 5 mm S Retighten the jam nuts Q Figure 6E 1 4 After adjusting the tie rod adjust the steering cyl inder by threading the ball joint in or out so the spindle arm clears the stop on...

Page 86: ...STEERING 6E 20...

Page 87: ...AND TIRES 1 SECTION 7 WHEELS AND TIRES 7A Service Tools Materials and Specifications 1 Materials Required 1 Specifications 1 7B Failure Analysis 3 General 3 7C Tire Service 5 General 5 Service 5 7 Sec...

Page 88: ...WHEELS AND TIRES 0...

Page 89: ...psi 96 kPa Tire Size Front 23 x 10 5 x 12 4 ply Rear 18 x 18 x 8 4 ply Torques Front wheel bolt 55 ft lbs 75 Nm Rear wheel bolt 80 ft lbs 108 Nm Tools required Standard automotive hand tools Cleaning...

Page 90: ...WHEELS AND TIRES 7A 2...

Page 91: ...e pressure to 14 psi 96 kPa 2 Tractor wanders a Under inflated tires b Malfunctioning traction motor c Steering malfunctioning d Wheel nuts loose e Steer wheels out of adjust ment a Inflate tires to 1...

Page 92: ...WHEELS AND TIRES 7B 4...

Page 93: ...7C 1 NOTE Never use grease or oil on the wheel rim when mounting tires Mounting leaks around the tire bead can be repaired using commercial sealants available at tire repair shops Apply the sealant u...

Page 94: ...WHEELS AND TIRES 7C 6...

Page 95: ...ection 17 Assembly 18 Installation 20 8E Front and Rear Traction Motors 21 Traction Circuit 21 Front Traction Motor 21 Rear Traction Motor 22 Traction Motor Repair 23 Four Wheel Drive Rear Wheel Motor...

Page 96: ...Test Procedures 53 General 53 Safety Reminder 53 Preliminary Checks 53 Charge Pump Test 53 Traction System Test 53 Wheel Motor Test 53 Lift System Test 54 Power Steering System Test 55 8M Hydraulic In...

Page 97: ...r equipped with load valve JAC5095 Wheel restraint Figure 8A 2 Hydraulic press Portable in line filter JAC5097 Shaft face seal installation tool Eaton Tool 600421 2 Fabricated hydro lock linkage Bulle...

Page 98: ...HYDRAULICS 8A 2 Figure 8A 2 Wheel Restraint...

Page 99: ...r 1 5 gpm 5 6 lpm Rear Wheel Motor Displacement 8 6 cu in rev 141 cc Maximum allowable leakage 2500 psi 172 Bar 1 5 gpm 5 6 lpm Rear Motor Check Valves Maximum allowable leakage 2500 psi 172 Bar 0 5 g...

Page 100: ...HYDRAULICS 8A 4...

Page 101: ...arm loose a Add oil Section 11 Inlet strainer plugged Section 8M b Check charge pressure Section 8M Replace Section 8D c Check charge pressure Section 8M Repair Section 8D d Isolate repair Section 8E...

Page 102: ...ro c Faulty lift valve d faulty lift cylinder a Test charge pump Section 8L and Section 8M b Perform implement relief test Section 8M c Check and test lift valve Section 8M d Perform leakage test on l...

Page 103: ...and air blown dry before beginning repair or reassembly Perform repair procedures in a clean work area using clean tools Do not force components together or pry apart Light tapping with a plastic mal...

Page 104: ...th fixed parts when turn ing Make sure hoses are assembled to proper A and B ports on components O RING BOSS FITTINGS On hoses with o ring fittings make sure o rings are clean and hose fittings are pr...

Page 105: ...ings on the machine face The swivel nut can be retracted to inspect the o ring and fitting face without removal of tubes or components Figure 8C 3 Figure 8C 3 ORS Face Seal Fitting SAE Dash Size Threa...

Page 106: ...11 339908 6 12 339909 8 14 339910 10 16 339911 12 18 339912 16 21 339913 20 25 339914 24 29 339915 SAE Dash Size Thread Size Tube O D Torque In lbs 3 N A N A 4 9 16 0 250 120 144 5 N A N A 6 11 16 0 3...

Page 107: ...te direc tion oil flows to the opposite side of the traction motors turning the motor and attached wheels The direction of the swashblock swivel is controlled by the traction pedal and pump control ar...

Page 108: ...HYDRAULICS 8D 12 Figure 8D 2 Traction Pump Assembly...

Page 109: ...ment pump and trac tion pump especially the area surrounding the hydraulic hoses tubes and fittings 5 Tag and disconnect the hydraulic hoses and tubes from the traction pump and implement pump Immedia...

Page 110: ...e the implement pump to the traction pump 9 Remove the implement pump and o ring from the traction pump Figure 8D 5 Figure 8D 5 Traction Pump DISASSEMBLY Control Group and Valve Plate 1 Place traction...

Page 111: ...HYDRAULICS 8D 15 Valve Plate and Gerotor Figure 8D 7 Valve Plate and Gerotor Pump Disassembly...

Page 112: ...HYDRAULICS 8D 16 Rotating Group Figure 8D 8 Rotating Group Disassembly Drive Shaft Group Figure 8D 9 Drive Shaft Group Disassembly...

Page 113: ...hold firmly 2 Pull on the end of the hose with the other hand and note the end play A good piston shoe fit will have no end play with the shoe free to rotate and pivot on the piston ball Check each sh...

Page 114: ...he 8 o clock position between protru sion and pump housing to assure CCW rotation Figure 8D 12 Figure 8D 12 Swashblock Group Assembly Drive Shaft Group NOTE When installing the bearing press on the ou...

Page 115: ...fulcrum ball Figure 8D 14 NOTE Do not force pistons into barrel The pistons should fit loosely Figure 8D 14 Rotating Group Assembly Valve Plate Gerotor Pump Rear Plate Assembly See Figure 8D 15 for va...

Page 116: ...ce of the bell housing Figure 8D 5 Secure with two hex head mounting bolts and washers NOTE Refer to Section 4C for positioning and installation of traction pump coupling 3 Using tags created during d...

Page 117: ...activated the flow divider equally splits the amount of oil flow from the hydrostat to the front wheel motors so that they turn at the same speed The flow divider hinders left and right turns when ac...

Page 118: ...swivel ing motor mount which is mounted to the steering axle with a hub mounted on the output shaft Figure 8E 3 The hub is used to mount the wheels Figure 8E 3 Rear Traction Motor Removal 1 Shut down...

Page 119: ...the motor to the motor mount 2 Remove the plugs from the hydraulic hoses and motor Using tags created during disassembly connect the hoses to the motor fittings 3 Install the hub and hub nut 4 Install...

Page 120: ...bearings are not to be removed and only a seal kit is to be installed omit Steps 10 and 13 Figure 8E 6 Traction Motor Disassembly 1 of 4 Step 1 Remove special housing bolts 1 Step 2 Remove end cover 2...

Page 121: ...raction Motor Disassembly 2 of 4 Step 5 Remove wear manifold 7 Step 6 Remove rotor 8 as a set NOTE Do not disassemble Step 7 Match mark drive link 10 with coupling shaft 12 then remove drive link 10 S...

Page 122: ...16 and two backup washers 17 and 21 working them around thrust washers and thrust bearing Step 10 NOTE To remove thrust bearing 15 and thrust washers 14 bearing 13 must be removed first CAUTION If bea...

Page 123: ...Figure 8E 9 Traction Motor Disassembly 4 of 4 Step 12 Turn housing around Remove shaft seal 20 Step 13 CAUTION If bearing is removed it must be replaced with a new bearing Remove bearing 19 using a b...

Page 124: ...rosion and missing rollers 7 Inspect coupling shaft 12 Figure 8E 11 bearing and seal area for galling nicks grooves severe wear or corrosion and discoloration heat Inspect for damaged or worn internal...

Page 125: ...Step 1 NOTE Pack bearing with grease Press bearing 19 into housing using installation tool Step 2 Check bearing depth 0 290 to 0 310 7 4 to 7 8 mm Step 3 Install seal 20 so it is flush with housing S...

Page 126: ...bearing 15 Step 6 Press bearing assembly 13 into housing 18 using installation tool Press to a depth of 0 105 to 0 125 2 67 to 3 2 mm below wear plate contact face Step 7 Tape spline of coupling shaft...

Page 127: ...or Reassembly 3 of 6 Step 9 Install thrust bearing 11 Step 10 Lightly grease seal ring 4 and install Step 11 Align match marks and install drive link 10 with long splined end down into mesh with coupl...

Page 128: ...embly 4 of 6 Step 13 Apply a small amount of grease to seal ring 4 and install on rotor set 8 Step 14 Install rotor set 8 Step 15 Apply a small amount of grease to seal rings 4 and install on each sid...

Page 129: ...ssembly 5 of 6 Step 16 Install commutator ring 6 Step 17 Install new seal ring 3 to commutator 5 Step 18 Install commutator 5 in commutator ring 6 Step 19 Apply a small amount of grease to seal ring 4...

Page 130: ...HYDRAULICS 8E 34 Figure 8E 17 Traction Motor Reassembly 6 of 6 Step 20 Install special bolts 1 Step 21 Alternately and progressively tighten bolts 1 to a final torque of 45 to 55 ft lbs 61 to 75 N m...

Page 131: ...pped with check valves Figure 8E 18 The check valves allow the oil to bypass the rear wheel motors when the operator puts the tractor in reverse The result is four wheel drive when traveling forward a...

Page 132: ...The oil is replenished with cool oil from the charge pump in the hydrostat The hot oil shuttle spool is opened with oil pressure from the forward circuit of the traction pump and allows a certain amo...

Page 133: ...left foot When the opera tor releases the differential lock switch the hydraulic drive system returns immediately to its normal state Figure 8E 20 shows an adaptation of a portion of the hydraulic di...

Page 134: ...HYDRAULICS 8E 38...

Page 135: ...gnition key 2 Unlatch the seat platform Pivot the seat and seat platform to the full upward position 3 Drain the hydraulic tank 4 Thoroughly clean the implement pump especially the area surrounding th...

Page 136: ...ar set housing or cover are damaged replace the pump Reassembly 1 Install shaft seal into the flange cover 2 Install the bushing block into the pump housing 3 Install gear set aligning the timing mark...

Page 137: ...and seat platform to the lower posi tion for normal operation Latch into position 5 Replace the hydraulic filter and fill the hydraulic tank with hydraulic oil 6 Start engine and check operation Check...

Page 138: ...HYDRAULICS 8F 42...

Page 139: ...position 3 Thoroughly clean the valve especially the area surrounding the hydraulic hoses and fittings 4 Tag and disconnect the hydraulic hoses and deck valve Immediately plug the hoses and valve to p...

Page 140: ...g the tags created during removal connect the hydraulic hoses to the valve fittings Figure 8G 3 4 Replace the hydraulic filter 5 Start the engine and check valve operation Check for leaks and repair a...

Page 141: ...area surrounding the hydraulic hoses and fittings 7 Tag and disconnect the hydraulic hoses from the deck motor Immediately plug the hoses and the motor to prevent contamination of the hydraulic system...

Page 142: ...fter they have been installed with teeth in mesh 5 Rotate drive shaft after assembling each section to make sure there is no binding between parts 6 Use extreme care when installing shaft seal It must...

Page 143: ...ft valve especially the area surrounding the hydraulic hoses tubes and fit tings 4 Tag and disconnect the hydraulic hoses and tubes from the lift valve Immediately plug the hoses tubes and valve to pr...

Page 144: ...HYDRAULICS 8I 48...

Page 145: ...all parts for excessive wear cracks bro ken parts and scoring 2 Discard all o rings seals and backup rings ASSEMBLY 1 Lightly lubricate the o rings backup rings and seals with clean hydraulic oil 2 I...

Page 146: ...HYDRAULICS 8J 50 Figure 8J 2 Seal Kit Installation Figure 8J 3 Lift Cylinder Assembly INSTALLATION See Section 9E...

Page 147: ...n properly dis posing of oil products 2 After draining replace the hydraulic tank drain plug 3 Lift the engine cover to allow access to the hydraulic oil cooler inlet and outlet hoses 4 Disconnect the...

Page 148: ...HYDRAULICS 8K 52...

Page 149: ...lure the system should be flushed the oil changed and a new filter installed NOTE Use only the recommended hydraulic oil see Section 11 Always change the filter when chang ing the oil The filter shoul...

Page 150: ...of this test is to determine if the lift cylin der is bypassing fluid internally 1 Operate the mower until the hydraulic oil reaches operating temperature 110 130 F 43 54 C 2 Lift the mower deck and...

Page 151: ...unit is not at fault If the steering wheel continues to turn proceed with the test 2 Remove both hydraulic hoses from the steering cylinder Figure 8L 3 plug the hoses and cap the cylinder ports NOTE...

Page 152: ...HYDRAULICS 8L 56...

Page 153: ...uit Make sure the mower is secured and cannot roll If interlock systems are bypassed exercise caution when performing each test Follow the instructions carefully and completely Plug lines and cap port...

Page 154: ...nto the tee fit ting Figure 8M 2 Pressure Gauge Connection 5 Set the parking brake start the engine and advance the engine speed to the full throttle posi tion 6 Record the pressure gauge reading The...

Page 155: ...g steering and lift circuits 1 Shut down the engine 2 Install a 2000 psi 138 Bar pressure gauge and in line tee fitting in the charge pump pressure port on the hydrostat Figure 8M 5 Figure 8M 5 Pressu...

Page 156: ...e NOTE The implement relief valve is not adjustable 1 Drain the hydraulic fluid from the tank 2 Remove the implement relief valve plug and remove the relief valve cartridge Figure 8M 6 Figure 8M 6 Imp...

Page 157: ...nd reverse directions perform flow test on hydrostat and leakage test on wheel motors If pressure cannot be obtained in forward direction and is obtained in reverse direction replace forward high pres...

Page 158: ...rt on deck valve from deck motor and plug port on the motor Figure 8M 11 Figure 8M 11 Deck Motor Pressure Hose 3 Install a 5000 psi 344 Bar gauge onto the end of the pressure hose 4 Start engine and a...

Page 159: ...g a socket remove the relief valve RV1 from the deck valve Replace seals or relief valve as required 6 Install relief valve and solenoid coil 7 Replace hydraulic fluid in the tank FLOW TESTS Follow th...

Page 160: ...uit Test 5 Read and record the charge pump no load pres sure A and Flow B on Flow Test Report 1 6 Slowly close tester load valve until a reading of 750 psi 5171 kPa is obtained record flow C on Flow T...

Page 161: ...wheel rotation If steering wheel makes more than 1 revolution in 30 seconds the steering valve is leaking internally Record time I on Flow Test Report 1 Conclusion Pressure recorded in left and right...

Page 162: ...sition Read and record pressure reading K on Flow Test Report 1 Conclusion If pressures recovered in STEP 20 and matched the charge pump implement relief valve pressure lift cylinder is at fault 21 Sh...

Page 163: ...____ Result B minus C equals charge pump leakage ______________ D Step 8 Implement relief valve pressure ______________ Steering Circuit Test E Step 11 Left turn against stop pressure reading ________...

Page 164: ...l throttle 6 Observe and record the implement pump no load flow A on Flow Test Report 2 7 Slowly close tester load valve until a reading of 2000 psi 138 Bar is obtained Read and record flow B on Flow...

Page 165: ...HYDRAULICS 8M 69 Figure 8M 15 Implement Pump Test...

Page 166: ...t pump test Figure 8M 16 10 Make sure blocking disc is removed from the tee fitting on the implement pump Figure 8M 16 11 Disconnect the pressure hose from the deck motor M1 port on deck valve insert...

Page 167: ...TE Remove the deck cutting blades or remove the spindle drive belt as the blades may turn if the deck motor is leaking internally while performing this test 17 Leave flow meter connected as in the dec...

Page 168: ...HYDRAULICS 8M 72 Figure 8M 17 Deck Motor Test...

Page 169: ...mp no load flow _______________ B Step 7 Implement pump flow 2000 psi 138 Bar _______________ Result 1 A minus B equals implement pump leakage ______________ Deck Valve Test C Step 14 Deck valve flow...

Page 170: ...the flow meter tee fittings to block the hoses that are connected to the forward and reverse pressure hoses Figure 8M 19 8 Open the tester load valve set the parking brake start the engine and advanc...

Page 171: ...HYDRAULICS 8M 75 Figure 8M 19 Traction Pump Test...

Page 172: ...l motor is faulty NOTE If rear wheel motor has excessive leakage inspect the four wheel drive check valve for dam age or leaking seals prior to repairing the rear wheel motor A leaking check valve wil...

Page 173: ...HYDRAULICS 8M 77 Figure 8M 20 Traction Motor Test Left Side...

Page 174: ...ght rear wheel 41 Lift right front of tractor and install stand under axle on right front wheel so that right front wheel is off the ground and can rotate without interference 42 Install blocking disc...

Page 175: ...HYDRAULICS 8M 79 Figure 8M 21 Traction Motor Test Right Side...

Page 176: ...ont Wheel Motor D Step 20 Left front wheel motor flow 2000 psi 138 Bar _______________ Result 2 B minus D equals left front wheel motor leakage ______________ Left Rear Wheel Motor 4WD E Step 29 Left...

Page 177: ...IC SCHEMATIC COLOR CODES Use the following table to define the color coding used in the hydraulic schematics Table 8N 1 Hydraulic Color Guide Color Code Green Suction Blue Return Free Flow Yellow Mete...

Page 178: ...HYDRAULICS 8N 82 Figure 8N 1 Hydraulic Schematic...

Page 179: ...HYDRAULICS 8N 83 Figure 8N 2 Steering Right...

Page 180: ...HYDRAULICS 8N 84 Figure 8N 3 Steering Left...

Page 181: ...HYDRAULICS 8N 85 Figure 8N 4 Deck Working...

Page 182: ...HYDRAULICS 8N 86 Figure 8N 5 Deck Lift...

Page 183: ...HYDRAULICS 8N 87 Figure 8N 6 Deck Lower...

Page 184: ...HYDRAULICS 8N 88 Figure 8N 7 Traction Forward...

Page 185: ...HYDRAULICS 8N 89 Figure 8N 8 Traction Reverse...

Page 186: ...HYDRAULICS 8N 90...

Page 187: ...red 1 Specifications 1 9B Failure Analysis 3 General 3 9C Fuel Tank 5 General 5 Removal 5 Installation 6 9D Hydraulic Tank 9 General 9 Removal 10 Installation 11 9E Lift Cylinder 13 General 13 Removal...

Page 188: ...CHASSIS 0...

Page 189: ...toe in 0 0625 to 0 125 1 6 to 3 2 mm Torques Steering cylinder axle bolt 70 to 75 ft lbs 95 to 101 Nm Steering cylinder castle nut 40 to 55 ft lbs 54 to 74 Nm Tie rod castle nut 30 to 35 ft lbs 40 to...

Page 190: ...CHASSIS 9A 2...

Page 191: ...draulic lines are kinked b Hydraulic charge pump faulty c Hydraulic cylinder is not func tioning d Lift and lower control valve is malfunctioning a Replace lines Section 8C b Test pump Section 8L or S...

Page 192: ...CHASSIS 9B 4...

Page 193: ...ned before the machine is stored for an extensive period of time The fuel tank is drained by disconnecting the lower hose Figure 9C 2 REMOVAL 1 Disconnect the negative cable from the battery Figure 9C...

Page 194: ...t mounting bracket Figure 9C 5 Figure 9C 5 Rear Mounting Bracket 9 While supporting the tank remove one mounting bolt from inside the rear mounting bracket behind the sending unit Figure 9C 6 Figure 9...

Page 195: ...removal connect the wiring harness to the fuel sender 5 Make sure all the hoses are connected and fill the fuel tank with fuel 6 Inspect the filter cap for wear damage or clog ging and replace if nec...

Page 196: ...CHASSIS 9C 8...

Page 197: ...d breather vent frequently for clogging wear and damage Check the hydraulic oil for water noted by a cloudy or milky appearance air noted by a foamy appearance visible contaminants and rancid odor ind...

Page 198: ...ng oil in an unsafe manner is illegal Check with local envi ronmental officials for information on properly dis posing of oil products 2 After draining replace the hydraulic tank drain plug NOTE The s...

Page 199: ...he tags created during removal connect the hoses to the hydraulic tank 4 Replace the hydraulic oil filter Figure 9D 6 Figure 9D 6 Hydraulic Oil Filter 5 Pivot the seat and seat platform to the lower p...

Page 200: ...CHASSIS 9D 12...

Page 201: ...hains from the mower deck 4 Remove the weight transfer spring mounting bracket Figure 9E 2 Figure 9E 2 Steering Tower 5 Remove the steering tower cover Figure 9E 2 6 Remove the lift chains from the cy...

Page 202: ...ains for sloppy or loose operation Figure 9E 2 and Figure 9E 3 Replace damaged or worn parts and components NOTE Lift chains must pivot on the retaining bolts and should be adjusted with the use of th...

Page 203: ...bolts Figure 9E 3 6 Using the tags created during removal remove plugs and connect the hydraulic hoses to the cyl inder 7 Position the lift chains over the pulleys and hang ing toward the front of the...

Page 204: ...CHASSIS 9E 16...

Page 205: ...ors if appli cable Immediately plug the hoses to prevent con tamination of the hydraulic system 5 While supporting the axle remove the hex nut mounting bolts and the rear axle pivot from the axle asse...

Page 206: ...CHASSIS 9F 18 14 Adjust equal turning radius by adjusting ball joint on steering cylinder rod 15 Start the engine and test all components for proper operation Figure 9F 3 Steering Axle Exploded View...

Page 207: ...Test 9 Voltage Test 9 Regulator Test 10 10F Starter 11 General 11 Field Test 11 Starter Motor 12 10G Switches 13 General 13 Seat Switch 13 Ignition Switch 13 Parking Brake Switch 16 Neutral Switch 16...

Page 208: ...ELECTRICAL SYSTEM 0 10L Gauges 33 General 33 Gauge Test 33 10M Wiring Diagrams and Component Locations 35...

Page 209: ...ed Deck Foot Switch E C Models Single pole normally open momentary Differential Lock Switch Optional Single pole normally open momentary Horn Switch Alarm Test Optional Single pole normally open momen...

Page 210: ...ELECTRICAL SYSTEM 10A 2...

Page 211: ...hten terminals and recharge battery Section 10D c Replace cables and recharge battery Section 10D d Replace battery Section 10D e Adjust belt Section 3D f Test regulator Section 10E g Test ignition sw...

Page 212: ...ection 2C g Test solenoid Section 10I h Test ignition switch Section 10G i See engine manual and Section 10F j Test wiring Section 10C k Determine the cause of over load and correct problem Check fuse...

Page 213: ...A common method of testing wires or circuits is to perform a continuity check as described below NOTE Before performing any component or wiring test check for corrosion and loose or missing connec tio...

Page 214: ...hms scale 2 Connect the positive POS lead to one terminal on the wire or switch Connect the NEG lead to the other end of the wire or switch terminal 3 Read the Ohms on the multimeter Contacts of a swi...

Page 215: ...se poor performance or early failure due to loss of electrolytes WARNING Batteries contain sulfuric acid and can generate explosive mixtures of hydrogen and oxygen gases Keep any device that may cause...

Page 216: ...tage as follows 1 Set the multimeter to 20 DC volts 2 Connect multimeter leads to battery terminals red POS lead to positive terminal and black NEG lead to negative terminal Figure 10D 1 3 Crank the e...

Page 217: ...ould read 12V 3 Using the precautions outlined in the operator s manual start the engine As the engine rpm increases voltage should increase to between 14 and 14 5 volts If NO voltage increase is meas...

Page 218: ...ons at the alternator at the BAT termi nal green wire and plug in connector orange and pink wires If problems still exist check the alternator diodes and voltage regulator NOTE The alternator light mu...

Page 219: ...ess Figure 10F 2 Voltage from Start Interlock System 5 Once battery voltage is obtained on the brown wire with key held in START position turn key switch to OFF position and connect brown wire onto th...

Page 220: ...cable to the POS terminal of the battery Con nect the NEG jumper to the NEG battery ter minal touch the other end of NEG cable to the starter Figure 10F 3 The starter motor should turn If the starter...

Page 221: ...seat switch should be open with no continuity displayed on the multimeter 4 Depress the seat switch or have a helper sit in the seat The seat switch should be closed and a reading of 0 to 0 5 Ohms sho...

Page 222: ...one lead to terminal 50 Test all pin positions Continuity should be available between termi nals 30 AC 50 and 19 NOTE If the ignition switch fails any of the above tests replace the switch Figure 10G...

Page 223: ...G 15 Figure 10G 3 Ignition Switch Positions Step 5a Ignition Switch in OFF Position 0 Step 5c Ignition Switch in GLOW PLUG Position 2 Step 5d Ignition Switch in START Position 3 Step 5b Ignition Switc...

Page 224: ...d be available and resistance indi cating 0 to 0 5 Ohms while the switch plunger is depressed Figure 10G 4 Parking Brake Switch NEUTRAL SWITCH General The neutral switch Figure 10G 5 is a double pole...

Page 225: ...connections In addition check the inter lock system switches for activation and continuity Figure 10G 6 Mow Deck Switch 4 Remove the wire connector from the switch termi nals 5 Set the multimeter to c...

Page 226: ...ssed 1 Shut down the engine and remove the ignition key 2 Disconnect the group black NEG battery cable from the battery 3 Remove the steering tower cover 4 Disconnect the wire harness connector from t...

Page 227: ...tch plunger and resistance should be less than 0 5 Ohms 6 Restore all electrical connections HORN SWITCH OPTIONAL General The horn switch is a single pole normally open SPNO switch which means no curr...

Page 228: ...ELECTRICAL SYSTEM 10G 20...

Page 229: ...base When hot sender resistance should be low between the connector stud and base Figure 10H 1 Coolant Temperature Sender COOLANT TEMPERATURE SWITCH TEST The temperature switch is located on the inje...

Page 230: ...e test with a gauge FUEL SENDER TEST The fuel sender is a rheostat mounted underneath the seat on the fuel tank The fuel sender monitors the fuel level and controls the fuel gauge The fuel sender resi...

Page 231: ...ELECTRICAL SYSTEM 10H 23 Figure 10H 4 Fuel Sender Test Fuel Sender Fuel Sender Ground Fuel Sender Test Fuel Gauge...

Page 232: ...ELECTRICAL SYSTEM 10H 24...

Page 233: ...to pole 87 the output power con nection Relay Test Check the relays for proper operation as follows 1 Remove the relay from the relay box 2 Set the multimeter to the continuity scale 3 Place one test...

Page 234: ...are similar to relays in construction solenoids have a different purpose When energized the solenoids used in the electrical system create a magnetic draw which seat and unseat a poppet or plunger in...

Page 235: ...ick is heard the problem may be in the hydrau lic control valve See Section 8 for control valve information 3 Remove the connector from the solenoid valve 4 Set the multimeter to the 20 volts DC scale...

Page 236: ...ELECTRICAL SYSTEM 10I 28...

Page 237: ...cts the fuses and must be removed for access Test the fuse as follows 1 Visually inspect and replace a blown fuse 2 If the fuse does not appear to be blown check the fuse as follows a Set the multimet...

Page 238: ...ELECTRICAL SYSTEM 10J 30...

Page 239: ...ow plugs can be tested using the following pro cedures 1 Shut down the engine and remove the ignition key Allow the engine to cool completely 2 Remove the wiring harness connector and metal connector...

Page 240: ...ELECTRICAL SYSTEM 10K 32...

Page 241: ...NOTE See Section 10M for the location of all instruments and gauges GAUGE TEST Test the water temperature and fuel gauge using the following procedure Figure 10L 1 1 Turn the ignition switch ON 2 Disc...

Page 242: ...ELECTRICAL SYSTEM 10L 34...

Page 243: ...ELECTRICAL SYSTEM 10M 35 SECTION 10M WIRING DIAGRAMS AND COMPONENT LOCATIONS 10M...

Page 244: ...ELECTRICAL SYSTEM 10M 36 Figure 10M 1 Electrical Component Location Alternator Temperature Sender Battery Brake Switch Deck Valve Control Panel Neutral Start Switch Relays and Fuse Starter...

Page 245: ...ELECTRICAL SYSTEM 10M 37 Figure 10M 2 Electrical Schematic...

Page 246: ...ELECTRICAL SYSTEM 10M 38 Figure 10M 3 Electrical Schematic...

Page 247: ...ELECTRICAL SYSTEM 10M 39 Figure 10M 4 Hot Circuit...

Page 248: ...ELECTRICAL SYSTEM 10M 40 Figure 10M 5 Hot Circuit...

Page 249: ...ELECTRICAL SYSTEM 10M 41 Figure 10M 6 Ignition Circuit...

Page 250: ...ELECTRICAL SYSTEM 10M 42 Figure 10M 7 Ignition Circuit...

Page 251: ...ELECTRICAL SYSTEM 10M 43 Figure 10M 8 Preheat Circuit...

Page 252: ...ELECTRICAL SYSTEM 10M 44 Figure 10M 9 Preheat Circuit...

Page 253: ...ELECTRICAL SYSTEM 10M 45 Figure 10M 10 Starting Circuit Operator in Seat...

Page 254: ...ELECTRICAL SYSTEM 10M 46 Figure 10M 11 Starting Circuit Operator in Seat...

Page 255: ...ELECTRICAL SYSTEM 10M 47 Figure 10M 12 Starting Circuit Operator Out of Seat...

Page 256: ...ELECTRICAL SYSTEM 10M 48 Figure 10M 13 Starting Circuit Operator Out of Seat...

Page 257: ...ELECTRICAL SYSTEM 10M 49 Figure 10M 14 Engine Run Circuit Operator in Seat...

Page 258: ...ELECTRICAL SYSTEM 10M 50 Figure 10M 15 Engine Run Circuit Operator in Seat...

Page 259: ...ELECTRICAL SYSTEM 10M 51 Figure 10M 16 Engine Run Circuit Operator Out of Seat...

Page 260: ...ELECTRICAL SYSTEM 10M 52 Figure 10M 17 Engine Run Circuit Operator Out of Seat...

Page 261: ...ELECTRICAL SYSTEM 10M 53 Figure 10M 18 Mowing Circuit Deck Engaged...

Page 262: ...ELECTRICAL SYSTEM 10M 54 Figure 10M 19 Mowing Circuit Deck Engaged...

Page 263: ...ELECTRICAL SYSTEM 10M 55 Figure 10M 20 Alarm Circuit Parking Brake...

Page 264: ...ELECTRICAL SYSTEM 10M 56 Figure 10M 21 Alarm Circuit Parking Brake...

Page 265: ...ELECTRICAL SYSTEM 10M 57 Figure 10M 22 Alarm Circuit Engine Overheat...

Page 266: ...ELECTRICAL SYSTEM 10M 58 Figure 10M 23 Alarm Circuit Engine Overheat...

Page 267: ...PREVENTIVE MAINTENANCE 1 SECTION 11 PREVENTIVE MAINTENANCE 11A General 1 Specifications 1 Scheduling 1 Administration 1 11B Lubrication and Maintenance Schedules 3 General 3 Maintenance Schedule 4 11...

Page 268: ...PREVENTIVE MAINTENANCE 0...

Page 269: ...ck 0 5 in 13mm with 4 6 lbs Belt flail deck tensioner spring length 3 939 4 062 in 100 103 mm PREVENTIVE MAINTENANCE Preventive maintenance PM is maintenance per formed to prevent malfunctions and com...

Page 270: ...PREVENTIVE MAINTENANCE 11A 2...

Page 271: ...meets or exceeds NLGI Grade 2 LB specifications Apply grease with a manual grease gun and fill slowly until grease begins to seep out Do not use a compressed air gun 3 For smooth operation of levers...

Page 272: ...service items in Figure 11B 1 X Check Hydraulic Oil Level 5 X Check Top Coolant Level 7 X Check Water Separator 6 X Check Tire Pressure X Check Clean Engine Compartment Radiator Screen X Clean Air Pa...

Page 273: ...id Specifications Numbers above show service locations in accompanying chart Arrows show lubrication points 2 WD Fluids Quantity Type Engine Oil 5 4 quarts 5 1 liters 10W30 SF CD Hydraulic Oil 6 8 gal...

Page 274: ...grease un and fill slowly until grease begins to seep out or pressure is felt Never use compressed air guns Flail Mowers 1 Caster Spindles 2 Rotor Bearings 3 Roller Bearings 4 Push Arm Pivots 5 Motor...

Page 275: ...Installation 12 Caster Wheels 12 Removing Blades 12 Inspecting Blades 13 Installing Blades 13 Sharpening Blades 14 Removal and Installation of Rollers 14 Drive Belt Adjustment 14 Storage 15 Deck Caste...

Page 276: ...ATTACHMENTS 0...

Page 277: ...skirts 0 1875 in 4 76 mm Height of cut range 1 4 75 in 25 4 121 mm Weight 474 lbs 215 kg 72 in side and rear discharge Number of blades size per deck 3 0 25 in 6 4 mm thick x 25 in 635 mm long Blade...

Page 278: ...ATTACHMENTS 12A 2...

Page 279: ...ng a Increase engine rpm b Test and replace motor Section 8 c Test repair or replace deck valve Section 8 d Test repair or replace gear pump Section 8 3 Ragged cutting a Blade damaged or dull b Mower...

Page 280: ...ATTACHMENTS 12B 4...

Page 281: ...illustrations in the Parts Catalog can be used as reference for disassembly and assembly of components WARNING To prevent serious injury always disengage all drives lower implement to the ground engag...

Page 282: ...steel deck stiffener and side skirts 957234 Rotary deck 72 in 183 cm rear discharge 3 25 in 63 5 cm high lift 72 in 183 cm 73 in 185 mm 1 4 75 in 25 121 mm in 0 25 in 6 mm increments 438 lbs 199 kg 4...

Page 283: ...n lubrication mobility and secure mounting Check safety lift chains for proper attachment wear and damage Inspect the weight transfer springs for stretching wear damage and secure mounting Check the m...

Page 284: ...Remove bolts nuts and pins P Figure 12D 4 from both push arms and deck hanger brackets Figure 12D 4 Push Arm Mounting 9 The mower deck can now be moved away from the tractor or the tractor backed awa...

Page 285: ...t down the engine and remove the ignition key 2 Place blocks under deck so that it is supported on all sides Caster Wheels The caster wheel can be mounted to the deck mounting plates P Figure 12D 5 Se...

Page 286: ...at the back of blade travel 10 The blade should be pitched 1 8 1 4 closer to the ground in the front If too close to the ground at the rear select the next hole up Recheck the pitch 11 If the origina...

Page 287: ...y Tension Spring 6 Remove the drive belt from the drive motor pulley Actual height may vary due to tire pressure or condition See the operator s manual for more information Caster Mount Spacers Hanger...

Page 288: ...4 Install the drive belt cover 5 Using tags created during removal remove plugs and install hoses to drive motor fittings CASTER WHEELS The two caster wheels are mounted on the front of the cutterdec...

Page 289: ...deck WARNING Never attempt to inspect repair or remove the blade from the deck with the engine running Serious per sonal injury can occur from contact with the blade and from debris discharged from th...

Page 290: ...nce the blade using the following steps a Determine if the blade has a lighter end b If necessary attach a 1 8 oz 3 99g weight to the light end 5 127mm from the center of the blade If the blade is ade...

Page 291: ...int damaged or exposed metal with touch up paint 3 Tighten all hardware replace worn or damaged components Loosen belt tension 4 Sharpen and balance cutter blades Apply a light coat of rust preventive...

Page 292: ...ACHMENTS 12D 16 BLADE SPINDLES Figure 12D 20 Side and Rear Discharge Blade Spindle Late Style Tighten spindle nut to 100 150 ft lbs 135 203 Nm Early Style Tighten spindle nut to 100 150 ft lbs 135 203...

Page 293: ...ATTACHMENTS 12D 17 Figure 12D 21 Envirodeck Blade Spindle Late Style Tighten spindle nut 100 150 ft lbs 135 203 Nm Early Style Tighten spindle nut to 100 150 ft lbs 135 203Nm...

Page 294: ...ATTACHMENTS 12D 18 SIDE DISCHARGE DECK Figure 12D 22 Side Discharge Deck...

Page 295: ...ATTACHMENTS 12D 19 Figure 12D 23 Side Discharge Deck Components...

Page 296: ...ATTACHMENTS 12D 20 Figure 12D 24 Side Discharge Deck Hydraulic Motor Mounting...

Page 297: ...ATTACHMENTS 12D 21 REAR DISCHARGE DECK Figure 12D 25 Rear Discharge Deck...

Page 298: ...ATTACHMENTS 12D 22 Figure 12D 26 Rear Discharge Deck Components...

Page 299: ...ATTACHMENTS 12D 23 Figure 12D 27 Rear Discharge Deck Hydraulic Motor Mounting...

Page 300: ...ATTACHMENTS 12D 24 ENVIRODECK Figure 12D 28 Envirodeck...

Page 301: ...ATTACHMENTS 12D 25 Figure 12D 29 Envirodeck Components...

Page 302: ...ATTACHMENTS 12D 26 Figure 12D 30 Envirodeck Mulching Insert...

Page 303: ...the engine and raise the mower to the flail mower stops Remove the weight transfer springs from the upper anchor bolts 2 Lower the mower completely with safety lift chains fully extended 3 Engage park...

Page 304: ...12E 3 inside the mower hanger brackets Insert the pins through the brackets and push arms Secure the pins with safety clips 5 Align the safety lift chains with the mower brack ets Secure the chains t...

Page 305: ...htly off ground during operation This reduces wear to the rear roller and provides anti scalp ing control To improve anti scalping control or create striping effects remove adjusting pin from push arm...

Page 306: ...nt of spacers Examples of cutting height adjustments Example 2 inch 50 mm height of cut rear roller slightly raised 1 Locate height of cut in Table 12E 1 2 Position push arm adjustment pin in hole 4 3...

Page 307: ...D turn them 180 and assembly to rotor with cutting edge facing forward 3 If all blades are worn on one side only the entire rotor can be removed and turned 180 a Remove drive belt cover drive belt and...

Page 308: ...usty conditions 1 Always clean grease fittings before and after lubri cating 2 Lubricate with grease that meets or exceeds NLGI Grade 2 specifications 3 Apply grease with a manual grease gun and fill...

Page 309: ...ATTACHMENTS 12E 33 FLAIL DECK Figure 12E 13 Flail Deck Push Arms and Hydraulics...

Page 310: ...ATTACHMENTS 12E 34 Figure 12E 14 Flail Housing...

Page 311: ...ATTACHMENTS 12E 35 Figure 12E 15 Flail Drive Assembly...

Page 312: ...ATTACHMENTS 12E 36...

Page 313: ...S 13A Specifications 1 Options 1 13B Rollover Protection Structure ROPS 3 General 3 Safety 3 Installation 4 13C Spark Arrestor 5 General 5 13D Differential Lock 7 General 7 Flow Divider 7 13E Tie Down...

Page 314: ...OPTIONS 0...

Page 315: ...SPECIFICATIONS OPTIONS ROPS ANSI ASAE Standard S547 Sections 10 2 and 10 3 ROPS Bolt Torque Dry 150 ft lbs 203 Nm Seat Belt Required with ROPS structure Seat Belt Bolt Torque Dry 48 ft lbs 65 Nm Rear...

Page 316: ...OPTIONS 13A 2...

Page 317: ...ering wheel Do not attempt to jump out or leave the seat If damage or alteration occurs the ROPS must be replaced before further operation of the tractor All labels caution decals and ROPS certificati...

Page 318: ...rs 5 Check the ROPS for proper installation and angle 6 Position the retractable portion of the seat belt on the left side of the ROPS Figure 13B 2 in the mounting bracket Secure with a mounting bolt...

Page 319: ...1 is mounted on the muffler exhaust pipe A screening system in the spark arrester prevents sparks from exiting the exhaust system and igniting materials in the mowing area The spark arrester is clamp...

Page 320: ...OPTIONS 13C 6...

Page 321: ...d valve mounted in the flow divider valve allows hydraulic oil to flow evenly through the solenoid valve to both traction motors Figure 13D 2 until the operator engages the differential lock switch Wh...

Page 322: ...OPTIONS 13D 8 Figure 13D 2 Differential Lock Off...

Page 323: ...OPTIONS 13D 9 Figure 13D 3 Differential Lock On...

Page 324: ...OPTIONS 13D 10...

Page 325: ...are mounted on the rear of the tractor frame Figure 13E 1 These brackets are secured to the frame using two bolts and nuts for each bracket The brackets can be used to secure the tractor for transpor...

Page 326: ...OPTIONS 13E 12...

Page 327: ...MISCELLANEOUS 1 SECTION 14 MISCELLANEOUS 14A Precaution Decal Locations 1 14B Conversion Charts 3 Millimeters to Decimals Conversion 3 US to Metric Conversion 7 14...

Page 328: ...MISCELLANEOUS 0...

Page 329: ...MISCELLANEOUS 14A 1 SECTION 14A PRECAUTION DECAL LOCATIONS Figure 14A 1 Precaution Decals Behind Steering Cover Under Hood Under Hood Under Hood 14A...

Page 330: ...MISCELLANEOUS 14A 2...

Page 331: ...67717 0 09 0 00354 0 49 0 01929 0 89 0 03504 29 1 14173 69 2 71654 0 10 0 00394 0 50 0 01969 0 90 0 03543 30 1 18110 70 2 75591 0 11 0 00433 0 51 0 2008 0 91 0 03586 31 1 22047 71 2 79528 0 12 0 0047...

Page 332: ...13 0 51181 53 2 08661 93 3 66142 0 34 0 01339 0 74 0 02913 14 0 55118 54 2 12598 94 3 70079 0 35 0 01378 0 75 0 02953 15 0 59055 55 2 16535 95 3 74016 0 36 0 01417 0 76 0 02992 16 0 62992 56 2 20472 9...

Page 333: ...16 2719 0 080 2 0320 0 640 16 2560 5 32 0 1562 3 9688 21 32 0 6562 16 6688 0 090 2 2860 0 650 16 5100 11 64 0 1719 4 3656 43 64 0 6719 17 0656 0 660 16 7640 0 100 2 5400 0 670 17 0180 0 110 2 7940 0...

Page 334: ...23 64 0 3594 9 1281 55 64 0 8594 21 8281 0 320 8 1280 0 850 21 5900 0 330 8 3820 0 860 21 8440 0 340 8 6360 0 870 22 0980 3 8 0 3750 9 5250 7 8 0 8750 22 2250 0 350 8 8900 0 880 22 3520 0 360 9 1440 0...

Page 335: ...ilometers Meters Meters Centimeters Meters Centimeters Millimeters 1 609 0 9144 0 3048 30 48 0 0254 2 54 25 4 Area Square Miles Square Feet Square Inches Acre Square Kilometers Square Meters Square Ce...

Page 336: ...MISCELLANEOUS 14B 8...

Page 337: ...y ISO 9001 and ISO14001 Registration at all of our manufacturing locations A worldwide dealer network and factory trained technicians backed by Jacobsen Parts Xpress provide reliable high quality prod...

Page 338: ......

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