Toro Groundsmaster 580-D Service Manual
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Toro Groundsmaster 580-D Service Manual

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Download this manual See also: Operator's Manual
NOTE:
Preface
Model 30581: Use this book along with Part No. 95866SL Mitsubishi S4S--DT Engine Service Manual.
Model 30582 and 30583: Use this book along with Part No. 04131SL Mitsubishi S4S--Y2DT61TG Engine Ser-
vice Manual.
The purpose of this publication is to provide the service
technician with information for troubleshooting, testing,
and repair of major systems and components on the
Groundsmaster 580--D, Model 30580, 30581, 30582,
and 30583 (see NOTE above).
REFER TO THE TRACTION UNIT AND CUTTING
UNIT OPERATOR'S MANUALS FOR OPERATING,
MAINTENANCE AND ADJUSTMENT INSTRUC-
TIONS. Space is provided in Chapter 2 of this book to
insert the Operator's Manuals and Parts Catalogs for
your machine. Replacement Operator's Manuals are
available on the internet at www.toro.com or by sending
complete Model and Serial Number to:
The Toro Company
8111 Lyndale Avenue South
Minneapolis, MN 55420
The Toro Company reserves the right to change product
Specifications or this publication without notice.
E The Toro Company - - 1989, 1997, 1999, 2003, 2004, 2005, 2007
Groundsmaster
This safety symbol means DANGER, WARN-
ING, or CAUTION, PERSONAL SAFETY
INSTRUCTION. When you see this symbol,
carefully read the instructions that follow.
Failure to obey the instructions may result in
personal injury.
NOTE: A NOTE will give general information about the
correct operation, maintenance, service, testing or re-
pair of the machine.
IMPORTANT: The IMPORTANT notice will give im-
portant instructions which must be followed to pre-
vent damage to systems or components on the
machine.
Part No. 90743SL, Rev. G
Service Manual
580- -D
R

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  • Page 1 Minneapolis, MN 55420 vent damage to systems or components on the machine. The Toro Company reserves the right to change product specifications or this publication without notice. E The Toro Company - - 1989, 1997, 1999, 2003, 2004, 2005, 2007...
  • Page 2 This page is intentionally blank. Groundsmaster 580–D...
  • Page 3 Table Of Contents Chapter 1 – Safety Special Tools ......4 – 13 Troubleshooting .
  • Page 4 This page is intentionally blank. Groundsmaster 580–D...
  • Page 5 Operator’s Manual is available on the Internet at If a shield, safety device or decal is malfunctioning, illeg- www.Toro.com or by sending complete Model and Seri- ible or damaged, repair or replace it before operating the al Number to: machine.

  • Page 6: While Operating

    9. Since diesel fuel is highly flammable, handle it care- D. Fill fuel tank outdoors and only to within an inch fully: (25 mm) from the top of the tank, not the filler neck. Do not overfill. A. Use an approved fuel container. E.
  • Page 7 Maximum engine speed is 2750 rpm. To assure or unlock the front wheel hubs. Unlocking the front safety and accuracy, have an Authorized Toro Distribu- wheels disables the machine braking system. Block the tor check maximum engine speed.

  • Page 8: Safety And Instruction Decals

    Numerous safety and instruction decals are affixed to the Groundsmaster 580--D. If any decal becomes illeg- ible or damaged, install a new decal. Part numbers for replacement decals are listed in your Parts Catalog. Or- der replacement decals from your Authorized Toro Dis- tributor. Safety Groundsmaster 580--D Page 1 - - 4 Rev.
  • Page 9 Chapter 2 Product Records and Maintenance Table of Contents PRODUCT RECORDS ......TORQUE SPECIFICATIONS ....MAINTENANCE .
  • Page 10 Equivalents and Conversions Product Records and Maintenance Groundsmaster 580–D Page 2 – 2...
  • Page 11 Torque Specifications Groundsmaster 580–D Product Records and Maintenance Page 2 – 3...
  • Page 12 This page is intentionally blank. Product Records and Maintenance Groundsmaster 580--D Page 2 - - 4 Rev. E...
  • Page 13 (Model 30580) Table of Contents NOTE: This Chapter provides engine information for TORO Model 30580. See Chapter 3A for Model 30581 or Chapter 3B for Model 30582. GENERAL INFORMATION....3 FLYWHEEL, TIMING GEARS AND CAMSHAFT .
  • Page 14 This page is intentionally blank.
  • Page 15 Stopping the Engine Important: Before stopping the engine after mowing or full load operation, cool the turbocharger by allowing the engine to idle at low speed for 5 minutes. Failure to do so may lead to turbocharger failure. Rev. E...
  • Page 22 This page is intentionally blank.
  • Page 37 For removing Cone 34791-01100 crankshaft removing pulley Tool Rev. D...
  • Page 74 NOTE: The crankshaft pulley uses a tapered cone to secure the pulley to the crankshaft. Use Mitsubishi Special Tool 34791-01100 for pulley removal. Rev. E...
  • Page 140 This page is intentionally blank.
  • Page 141 TORO Distributors. Repair parts may be Note: Refer to Chapter 3 – Engine (Model 30580) for ordered by TORO part number. If no parts list is avail- information regarding engine removal and installation. able be sure to provide your Distributor with the TORO model number and serial number.

  • Page 142: Specifications

    Specifications Item Description Make / Designation Mitsubishi Model S4S–DT 4 cycle, 4 cylinder Diesel Engine Number of Cylinders Total Displacement 3331 cc (203.3 cu. in.) Fuel Diesel Fuel No. 2–D Fuel Capacity 28 U.S. gallon (106 liter) Idle Speed (no load) 1150 +/–...
  • Page 143 Mitsubishi engine are supplied through TORO Dis- the Mitsubishi S4S--Y2DT61TG Service Manual that is tributors. Repair parts may be ordered by TORO part included at the end of this section. number. If no parts list is available be sure to provide...
  • Page 144 Specifications Item Description Make / Designation Mitsubishi Model S4S–DT 4 cycle, OHV, Liquid Cooled, Turbocharged Diesel Engine Number of Cylinders Total Displacement 3331 cc (203.3 cu. in.) Fuel Diesel Fuel No. 2–D Fuel Capacity 28 U.S. gallon (106 liter) Idle Speed (no load) 1100 + 50 RPM High Idle (no load) 2700 + 50 RPM...
  • Page 145 Chapter 4 Hydraulic System Table of Contents NOTE: See Chapter 9 -- Foldout Diagrams for Hydraulic AUXILARY (LIFT/COUNTERBALANCE) SYSTEM Schematics REPAIRS ........SPECIFICATIONS .
  • Page 146 PTO (Deck Drive) Pump Two section, external gear type PTO (Deck Drive) Valve Block Toro, cartridge logic, elec./hyd. solenoid actuated Relief pressure (3 relief valves: front deck, right deck, left deck) 3000 to 3200 psi (206.9 to 220.7 bar) Deck Drive Motor (3 used)
  • Page 154 This page is intentionally blank.
  • Page 166 Deck drive test ports on newer models at deck motor Older model shown 3. Start the engine and adjust throttle so engine speed is 2,500 rpm. Rev. E...
  • Page 167 TEST NO. 2: Traction Circuit Charge Pressure 1. Hydraulic oil must be at operating temperature. Deck drive test ports on newer models at deck motor. Older model shown. 2. Connect a 1,000 psi gauge onto charge pressure test port (Fig. 10). 3.
  • Page 168 Deck drive test ports on newer models at deck motor Older model shown 3. Start the engine and adjust throttle so engine speed is 2,500 rpm. Rev. E...
  • Page 169 TEST NO. 4: Lift Circuit Working Pressure and Relief Pressure NOTE: Always set counterbalance pressure to correct WORKING Pressure Test amount before attempting to adjust lift relief pressure 1. Connect a 5,000 psi gauge to the LIFT test port. (see TEST 5). a.
  • Page 170 TEST NO. 5: Counterbalance Pressure IMPORTANT: To prevent damage to test gauge, raise all decks before connecting 1,000 psi gauge to LIFT test port. NOTE: Hydraulic oil must be at operating temperature for these tests or pressure reading will be too high. COUNTERBALANCE Pressure Test 1.
  • Page 171 “TRACTION PLUS” SHIFT Pressure Test 1. Connect a 1,000 psi gauge to the LIFT test port. Con- nect a 5,000 psi gauge to TRACTION FORWARD test port. a. On machines with serial number below 250000000, the LIFT and TRACTION FORWARD test ports are located on the outside of the control console (Fig.
  • Page 172 This page is intentionally blank. Groundsmaster 580--D Testing 28.2 Rev. F Page 4 - -...
  • Page 173 Diagnosing Cutting Performance Problems Over a period of time, the seals in the deck motors can deteriorate and wear from heat and contamination. A leaking motor seal will by--pass oil to the case drain line and make the motor less efficient. Eventually enough oil loss will occur and cause the deck motor to stall in heavy cutting conditions.
  • Page 174 Deck Motor Internal Leakage Test NOTE: Test only one deck at a time. Decks not being 3. Start the engine and engage the PTO for exactly 15 tested should be in the raised position so the deck will seconds at full throttle, then disengage the PTO and not operate when the PTO is engaged.
  • Page 175 Deck drive test ports on newer models at deck motor Older model shown Rev. E...
  • Page 176 NOTE: The Traction Control Neutral Adjustment information listed is for models 30580 and 30581. For model 30582 and 30583 neutral adjustment, steps 5 to 7 are not relevent. Refer to Variable Pump Neutral Start Switch Spool Replacement Procedure in the Sauer/ Danfoss Traction Pump and Motor Service Manual included at the end of this chapter.
  • Page 177 NOTE: Machines with serial numbers above 90001 do not use a jam nut and setscrew. On these machines, locate collar so there is from .060 to .120 inch (1.5 to 3.0 mm) clearance between cruise control coil and clutch plate. Rev.
  • Page 180 NOTE: Refer to the Sauer/Sundstrand M46-Axial Piston Pumps and Motors Service Manual at the end of this chapter for traction pump service procedures. Rev. E...
  • Page 181 NOTE: For Service and Repair Procedures of the front wheel motors used on the Groundsmaster 580-D, see the Sundstrand Sauer M46-Axial Piston Pumps and Motors Repair Manual that follows this Chapter. Rev. E...
  • Page 182 Torque to 35 Ft-lbs (47.1 N-m) Torque to 35 Ft-lbs (47.1 N-m) Torque to 60 Ft-lbs (81.4 N-m) Torque to 35 Ft-lbs (47.1 N-m) Torque to 65 Ft-lbs (88.1 N-m) Rev. E...
  • Page 183 1. Solenoid valve (SV2 shown) 4. Brake relief cartridge (R2BR shown) 2. Bypass (main) relief cartridge (R3BY shown) 5. Brake logic cartridge (BR2 shown) 3. Bypass (main) logic cartridge (BY2 shown) 6. Orifice Groundsmaster 580-D PTO System Repairs Page 4 - 36.1 Rev. E...
  • Page 184 PTO Solenoid Valve Service B. Contamination may cause valves to stick or hang (S/N 50001 & UP) up. Contamination can become lodged in small valve orifices or seal areas on poppet type valves causing malfunction. C. If cartridge valve seals appear pitted or dam- aged, the hydraulic system may be overheating or there may be water in the system.
  • Page 185 NOTE: When installing solenoid valve into manifold, torque solenoid valve 35 Ft-lbs (47.1 N-m). NOTE: When installing a cartridge valve into manifold, torque valve as specified in Figures 27 and 27A. Rev. E...
  • Page 187 Note: For service and repair procedures of the PTO pump used on models 30580 and 30581, see the Vick- ers Gear Pump Overhaul Manual that follows this chap- ter. Groundsmaster 580-D PTO System Repairs Page 4 - 38.1 Rev. G...
  • Page 188 PTO Pump Repair (Models 30582 and 30583) Figure 31B 1. Shaft coupling 2. O- -ring 3. Seal gland 4. Seal retainer 5. Wear plate 6. Center section 7. Idler gear 8. Drive gear 9. Rear cover 10. Capscrew (4 used) 11.
  • Page 191 NOTE: Before disassembling internal components, mark the load plates for proper reassembly. Mark on an area away from the seal location. Mark “F” for flange end and “B” for body end. Groundsmaster 580-D PTO System Repairs Page 4 - 40.1 Rev. A...
  • Page 192 RPM. Stop the machine and check to make sure the mo- 1. Install new load seals (7) on the load plate (4) you tor is not running hotter than the others. marked “B”. Install load plate (4) into body. PTO System Repairs Groundsmaster 580-D Rev. A Page 4 - 40.2...
  • Page 193 Wing Deck Hose Replacement (S/N 50001 & Up) Routing of wing deck hoses through the wing arms re- quires accurate hose positioning or the hoses can be damaged as the wing decks are raised and lowered. In order to reduce hose damage due to incorrect routing, a Hose Routing Kit (P/N 93–9956) is available for pre- viously manufactured products (S/N 80101 –...
  • Page 194 This page is intentionally blank. PTO System Repairs Groundsmaster 580–D Page 4 – 40.4 Rev. A...
  • Page 196 Torque all cartridges to 35 Ft-lbs (47.5 N-m) Rev. E...
  • Page 197 NOTE: When installing cartridge into float/traction assist manifold, torque cartridge to 35 ft-lbs (47.5 N-m). If cartridge is overtightened, cartridge damage may occur. Rev. E...
  • Page 199 Steering/Auxiliary Pump Repair (Models 30582 and 30583) 360 to 380 in- -lbs (40.7 to 42.9 N- -m) 360 to 380 in- -lbs (40.7 to 42.9 N- -m) Figure 39A 1. Cap screw (4 used) 6. Front wear plate 11. Rear cover (flow divider) assembly 2.
  • Page 200 4. Inspect drive shaft gear and idler gear (Fig. 39C): SCRIBE MARK A. Drive shaft spline should be free of twisted or bro- ken teeth. B. Gear shafts should be free of rough surfaces and excessive wear at bushing points and sealing areas. Scoring, rough surfaces or wear on gear shafts indi- cates need for replacement.
  • Page 201 (Models 30580 and 30581) Rev. E...
  • Page 211 Steering Control Unit Repair (Models 30580 and 30581) For service of the steering control unit on Models 30580 and 30581, see the Eaton Char--Lynn Steering Control Units Repair Information at the end of this chapter. Steering Control Unit Repair (Model 30582 and 30583) 150 in- -lb (17 N- -m) 140 to 160 in- -lb...
  • Page 212 9. Carefully slide the spool out of the sleeve. The cen- 7. Apply a light coating of petroleum jelly to the inner tering springs and spring retaining ring will stay with the edge of the dust and quad seals. spool as it is removed. 8.
  • Page 215 Chapter 5 Electrical System (Model 30580, S/N Below 30101) Table of Contents ELECTRICAL DIAGRAMS ..... . Temperature and Fuel Level Gauges .
  • Page 217 Groundsmaster 580–D Wiring Schematics and Diagrams Page 5 – 3 Rev. A...
  • Page 218 Wiring Schematics and Diagrams Rev. E Page 5 - 4 Groundsmaster 580 - D...
  • Page 219 Groundsmaster 580 - D Page 5 - 5 Rev. E Wiring Schematics and Diagrams...
  • Page 220 This page is intentionally blank. ® Rev. E Wiring Schematics and Diagrams Page 5 - 6 Groundsmaster 580-D...
  • Page 221 Rev. E Page 5 - 7...
  • Page 222 Page 5 - 8 Rev. E...
  • Page 223 Rev. E Page 5 - 9...
  • Page 224 Page 5 - 10 Rev. E...
  • Page 225 Rev. E Page 5 - 11...
  • Page 226 Rev. E Page 5 - 12...
  • Page 227 Rev. E Page 5 - 13...
  • Page 228 Page 5 - 14 Rev. E...
  • Page 229 Rev. E Page 5 - 15...
  • Page 230 Page 5 - 16 Rev. E...
  • Page 231 Rev. E Page 5 - 17...
  • Page 232 Rev. E Page 5 - 18...
  • Page 233 Page 5 - 19 Rev. E...
  • Page 234 Rev. E Page 5 - 20...
  • Page 235 Note: If machine is equipped with Controller Update Kit, refer to Chapter 8 - Electrical System (S/N 30101 & Up). Rev. E Page 5 - 21...
  • Page 236 Rev. E Page 5 - 22...
  • Page 237 Rev. E Page 5 - 23...
  • Page 238 Page 5 - 24 Rev. E...
  • Page 239 Rev. E Page 5 - 25...
  • Page 240 Rev. E Page 5 - 26...
  • Page 241 Page 5 - 27 Rev. E...
  • Page 242 Rev. E Page 5 - 28...
  • Page 243 Rev. E Page 5 - 29...
  • Page 244 Rev. E Page 5 - 30...
  • Page 245 Rev. E Page 5 - 31...
  • Page 246 Note: For machines with serial numbers 30101 & up, refer to updated information in Chapter 8 - Electrical System. Page 5 - 32 Rev. E...
  • Page 247 Page 5 - 33 Rev. E...
  • Page 248 Rev. E Page 5 - 34...
  • Page 249 Rev. E Page 5 - 35...
  • Page 250 Page 5 - 36 Rev. E...
  • Page 251 Older model shown. Older model shown. Note: For models 30581 and 30582, starter repair information is included in the appropriate Mitsubishi Diesel Engine Service Manual found after chapter 3A (model 30581) or chapter 3B (model 30582). Rev. E Page 5 - 37...
  • Page 252 Rev. E Page 5 - 38...
  • Page 253 Page 5 - 39 Rev. E...
  • Page 254 Rev. E Page 5 - 40...
  • Page 255 Page 5 - 41 Rev. E...
  • Page 256 Page 5 - 42 Rev. E...
  • Page 257 Rev. E Page 5 - 43...
  • Page 258 Note: For models 30581 and 30582, starter repair information is included in Chapter 8 - Electrical System (S/N 30101 & Up) and in the Mitsubishi Diesel Engine Service Manual found after chapter 3A (model 30581). Rev. E Page 5 - 44...
  • Page 259 Page 5 - 45 Rev. E...
  • Page 260 Rev. E Page 5 - 46...
  • Page 262 Specifications Planetary Wheel Drive Weight: Approx. 95 lb. Planetary Wheel Drive Oil Capacity: Fill to bottom of check/drain plug hole when check/drain plug is at either 3 or 9 o’clock position (Fig. 1). Planetary Wheel Drive Lubricant: API GL-5, SAE 80W or 90W Gear Lubricant.
  • Page 279 NOTE: Refer to Operator's Manual for additional information regarding Cutting Unit service procedures. Rev. E...
  • Page 284 Belt Tension Adjustment IMPORTANT: After first ten hours of operation, check new belts for proper tension; thereafter, check tension every 50 hours. Front Cutting Unit (S/N below 220000000) Note: Belts for wing unit spindles are tensioned by spring loaded idlers and normally do not require tension- ing.
  • Page 285 Outboard Cutting Units 1. Remove deck covers. To check belt tension, apply 8 lb. (35.5 N) force at mid--span of belt and check deflec- tion. There should be approximately 5/16 in. (7.9 mm) deflection. If deflection is incorrect, proceed to step 2. If deflection is correct, proceed to step 3.
  • Page 287 Note: If machine is equipped with a cab enclosure, take care when pivoting front cutting unit to prevent deck motor from contacting cab windshield. Rev. E...
  • Page 290 Belt Replacement Front Cutting Unit (S/N below 220000000) 1. Position machine on level surface, lower cutting unit to shop floor, engage parking brake, shut engine off and remove key from ignition switch. Note: Wing spindle drive belts must be removed before removing center section belt.
  • Page 291 9. Check and adjust the drive pulley height as follows: A. Slide the height gauge under the drive pulley (not under the hub). B. Loosen jam nuts on three (3) motor mount ad- justing screws. Equally tighten or loosen adjusting screws until bottom of pulley rests on height gauge (approximately 1 1/2 in.
  • Page 293 Spindle Service Removing Spindle Housing Assembly 1. Lower cutting unit to ground and engage parking brake. Turn engine off and remove key from ignition switch. 140 to 160 ft- -lb 2. Remove belt cover from top of spindle housing to be (190 to 217 N- -m) serviced.
  • Page 294 2. Using an arbor press, push outer bearing spacer into top of spindle housing; tightly against snap ring. The PRESS spacer must contact the snap ring to be sure of the correct assembly of components. 3. Thoroughly oil the bearing cups. Use an arbor press to push the bearing cups into the top and bottom of the spindle housing.
  • Page 295 Chapter 8 Models 30580 (S/N 30101 & Up), 30581, 30582 and 30583 Electrical System Table of Contents ELECTRICAL DIAGRAMS ..... . Neutral Switch (Model 30582 and 30583) .
  • Page 296 Page 8 - - 2 Electrical System (S/N 30101 & Up) (Rev. E) Groundsmaster 580--D...
  • Page 297 OIL PRESSURE SWITCH BLUE AUDIO ALARM ORANGE INPUT POWER 12V + YELLOW/RED FROM CONTROLLER OIL TEMP. SWITCH GREEN/WHITE AIR CLEANER HYD. OIL LOW PINK AUDIO ALARM VOLTMETER WHITE GROUND BLACK AUDIO ALARM BROWN ENG. COOLANT TEMP. BROWN/RED OIL FILTER PLUGGED RED/WHITE ENGINE TEMP.
  • Page 298 Page 8 - - 4 Electrical System (S/N 30101 & Up) (Rev. E) Groundsmaster 580--D...

  • Page 299: Special Tools

    Ob- tain Digital Multimeter from a local supplier. Note: Toro recommends the use of a DIGITAL multi- meter when testing electrical circuits. The high imped- ance (internal resistance) of a digital meter will ensure that excess current is not allowed through the meter.
  • Page 300 Decal chine. Diagnostic ACE Display Diagnostic ACE Display, Toro P/N 85- -4750 Decal, V1.0, Toro P/N 88- -1860 (S/N Below 30101 with Controller Update Kit) Decal, V2.0, Toro P/N 92- -4087 (S/N 30101 & Up)
  • Page 301 Electrical System Quick Checks Battery Test (Open Circuit Test) Use a multimeter to measure the voltage between the Voltage Measured Battery Charge Level battery terminals. 12.68 v (or higher) Fully charged (100%) Set the multimeter to the DC volts setting. The battery 12.45 v 75% charged should be at a temperature of 60...

  • Page 302: Troubleshooting

    Troubleshooting For all electrical problems, use of the Quick Refer- See Chapter 5 - - Electrical System (S/N Below 30101) ence Troubleshooting Guide is recommended. Us- for additional Troubleshooting information. Only compo- ing the Diagnostic ACE Display allows you to nents that are different or new information is provided in quickly find the source of the electrical problem.
  • Page 303 ECU problem. If this oc- curs, contact your Toro Distributor for assistance. 5. The Outputs Displayed LED on the lower right col- umn of the Diagnostic ACE should be lighted. If the In-...
  • Page 304 S/N 1. Turn Ignition switch to OFF. 70001. Older machines can have new software installed. Contact your Toro Distributor for assistance. 2. Move the PTO switch to the ENGAGED position and hold. 1. Turn ignition switch to OFF. Unplug loopback con- nector and connect Diagnostic ACE to the ECU harness 3.
  • Page 305 Only components that are different or new in- formation is provided in this Chapter. Electronic Control Unit (ECU) The Toro electronic control unit (ECU) senses the condi- tion of various switches, such as the seat switch, cutting unit down switches, traction neutral switch, etc., and di- rects power output to allow certain machine functions, such as engine run, cutting units engage, etc.
  • Page 306 Seat Switch (S/N Between 30101 and 80000) The seat switch is a proximity type, normally open (NO) reed switch that closes when the operator is on the seat. With the operator on the seat, the magnet on the bottom of the seat activates the reed switch causing it to close and complete the circuit.
  • Page 307 Engine Temperature Switches (S/N 80001 and Up) The high temperature warning and shutdown switches 3. Check continuity of the switch with a multimeter are located near the engine thermostat housing (Fig. (ohms setting). The high temperature warning and shut- 11). down switches are both normally open and should close when oil temperature reaches: The high temperature warning switch has a green/red...
  • Page 308 Service and Repairs See Chapter 5 - - Electrical System (S/N Below 30101) for additional Service and Repairs information. Only changed and new information is provided in this Chap- ter. Circuit Protection On model 30580 (S/N 30101 and up), one 5 Amp fuse and two 15 Amp fuses are used for circuit protection.

  • Page 309: Battery Service

    Battery Service The batteries are the heart of the electrical system. With Inspection, Maintenance, and Testing regular and proper service, battery life can be extended. 1. Perform the following inspection and maintenance Additionally, battery and electrical component failure tasks: can be prevented. A.
  • Page 310 2. Conduct a hydrometer test of the battery electrolyte. A. Check the voltage across the battery terminals prior to testing the battery. If the voltage is less than IMPORTANT: Make sure the area around the cells is 12.0 VDC, recharge the battery. clean before opening the battery caps.
  • Page 311 Charging CAUTION To minimize possible damage to the battery and allow the battery to be fully charged, the slow charging meth- od is presented here. This charging method can be ac- Do not charge a frozen battery because it complished with a constant current battery charger can explode and cause injury.
  • Page 312 Alternator The alternator used on the Groundsmaster 580--D is Resistance should be infinite in one direction and nearly belt driven and attaches to the engine. If testing deter- zero in the other. If resistance is infinite in both direc- mines that alternator is not functioning properly, bench tions, the diode is open.
  • Page 313 Chapter 9 Models 30580 (S/N 30101 & Up), 30581, 30582, and 30583 Foldout Diagrams Table of Contents HYDRAULIC SCHEMATICS Hydraulic Schematic (2WD Machines) ..Hydraulic Schematic (4WD Machines) ..ELECTRICAL SCHEMATICS Model 30580 (S/N 30101 and Up) .
  • Page 314 This page is intentionally blank. Foldout Diagrams (Rev. E) Groundsmaster 580--D Page 9 - - 2...
  • Page 315 NOTE: Hydraulic Schematic differences exist as follows: Charge pressure = 230 psi for piston pumps with serial numbers below A- -96- -01- -xxxx RxBR pressure = 600 psi for models with serial numbers below 70000 Groundsmaster 580--D (2WD Machines) Hydraulic Schematic Page 9 - - 3 (Rev.
  • Page 316 Groundsmaster 580--D (4WD Machines) Hydraulic Schematic Page 9 - - 4 (Rev. G)
  • Page 317 Groundsmaster 580--D Model 30580 (S/N 30101 and Up) Electrical Schematic Page 9 - - 5 (Rev. G)
  • Page 318 GRAY/WHITE WHITE YELLOW RED/WHITE GREEN/WHITE BROWN/WHITE VIOLET ORANGE BLUE BLACK BLACK YELLOW/BLUE BLUE/WHITE ORANGE/BLACK YELLOW/BLUE WHITE/BLACK ORANGE BROWN/WHITE YELLOW (Model 30581 Only) BROWN/RED RED/BLUE WHITE/GREEN GREEN/BLACK BLUE WHITE BLUE GREEN GREEN GREEN/YELLOW ORANGE/WHITE BLUE/WHITE WHITE YELLOW/RED BROWN/RED BLUE/WHITE GRAY WHITE VIOLET/WHITE GREEN YELLOW...
  • Page 319 NOTE: The High Range/Low Range Ground Speed Switch on the machine WHITE GREEN console includes the terminals for both the High Range Engage/Disengage FORWARD 4WD (SV1) GREEN GREEN and the High/Low Speed switches. YELLOW GRAY REVERSE 4WD (SV2) ORANGE GRAY/WHITE WHITE YELLOW RED/WHITE...
  • Page 320 Groundsmaster 580- -D Wire Harness Drawing Model 30580 (S/N 30101 and up) Page 9 - - 8 (Rev. G)
  • Page 321 YELLOW BROWN/ GREEN/ YELLOW/ YELLOW/ RED/ BROWN/ PURPLE ORANGE BROWN BLUE PURPLE BLUE WHITE YELLOW PURPLE YELLOW BLUE/ GREEN/ BROWN GRAY PURPLE BROWN BLACK/ BROWN BLACK BLACK/ BLACK/ RED/ ORANGE GREEN/ BROWN/ WHITE WHITE ORANGE WHITE WHITE WHITE WHITE WHITE ORANGE BROWN ORANGE/...
  • Page 322 Groundsmaster 580- -D Wire Harness Drawing Model 30581 Page 9 - - 10 (Rev. G)
  • Page 323 GREEN/ ORANGE/ WHITE BROWN BLACK/ ORANGE BLUE/ BROWN/ PURPLE YELLOW BROWN ORANGE/ BROWN PURPLE BROWN YELLOW/ BLUE GREEN/ PINK WHITE PURPLE ORANGE YELLOW BLACK/ GREEN/ BROWN/ BROWN GRAY BLACK ORANGE WHITE WHITE WHITE BLACK WHITE WHITE WHITE ORANGE BROWN BROWN BROWN BLACK BROWN...
  • Page 324 Groundsmaster 580- -D Wire Harness Drawing Model 30582 (S/N Below 240999999) Page 9 - - 12 (Rev. G)
  • Page 325 GREEN/ BLUE PINK BLACK ORANGE BROWN/ PURPLE ORANGE BROWN ORANGE/ BROWN PURPLE BROWN BLACK/ BROWN YELLOW/ GREEN/ WHITE PURPLE BROWN YELLOW BLACK/ GREEN/ BLUE/ BROWN/ BROWN GRAY WHITE WHITE WHITE WHITE WHITE WHITE BROWN BROWN BROWN BROWN GREEN/ ORANGE YELLOW BLACK/ ORANGE BLUE...
  • Page 326 Groundsmaster 580- -D Wire Harness Drawing Models 30582 (S/N Above 250000000) and 30583 Page 9 - - 14 (Rev. G)
  • Page 327 ORANGE GRAY YELLOW BROWN BLACK BLUE/WHITE ORANGE/ WHITE BROWN/RED YELLOW WHITE ORANGE GREEN BLUE BLACK BLACK RED/WHITE BLUE GREEN/RED VIOLET VIOLET GREEN/WHITE GREEN/WHITE YELLOW YELLOW YELLOW PINK BLACK BLACK BLACK BLACK YELLOW BLACK BLACK BLACK BLACK BLACK BLACK BLACK VIOLET YELLOW BLACK GREEN...
  • Page 328 GREEN ORANGE GREEN BLACK BLACK WHITE BLACK BLACK WHITE YELLOW YELLOW GREEN GREEN GREEN ORANGE YELLOW YELLOW Groundsmaster 580- -D 4WD Wire Harness (S/N Below 240999999) Page 9 - - 16 (Rev. G)
  • Page 329 SWITCH GREEN GREEN ORANGE WHITE BLACK BLACK BLACK BLACK WHITE YELLOW YELLOW YELLOW YELLOW GRAY GREEN GREEN GREEN GREEN ORANGE GRAY Groundsmaster 580- -D 4WD Wire Harness (S/N Above 250000000) Page 9 - - 17 (Rev. G)

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