Toro Groundsmaster 5900 Installation Instructions Manual
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Toro Groundsmaster 5900 Installation Instructions Manual

Rotary mower
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Contactor Kit
Groundsmaster
Model No. 139-1030
Installation
Loose Parts
Use the chart below to verify that all parts have been shipped.
Procedure
1
2
3
4
5
6
7
8
9
10
11
12
© 2019—The Toro® Company
8111 Lyndale Avenue South
Bloomington, MN 55420
®
5900 or 5910 Rotary Mower
Description
No parts required
No parts required
No parts required
No parts required
Contactor
Contactor mount
Cable
Nut (1/4 inch)
Nut (5/16 inch)
Flange bolt
Carriage bolt
Wire cap
Wire label
Vinyl cap
Nut (M5)
Cable tie
Molded cap
Fuse (60 A)
Fuse decal (Part No. 139-1031)
No parts required
No parts required
No parts required
Register at www.Toro.com.
Form No. 3429-577 Rev A
Installation Instructions
Qty.
–
Prepare the machine.
–
Disconnect the battery.
–
Remove the side panels.
–
Remove the 28-V solenoid.
1
1
1
4
Install the contactor.
2
2
2
1
1
Remove the I-terminal wire from the
1
alternator.
1
1
1
Remove the diode.
1
Install the 60-A fuse.
1
Install the decal.
–
Connect the battery.
Install the side panels and close the
–
hood.
Verify that the 28-V system and cab
–
power (if equipped) are functioning.
Original Instructions (EN)
All Rights Reserved *3429-577* A
Printed in the USA
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Summary of Contents for Toro Groundsmaster 5900

  • Page 1 Verify that the 28-V system and cab – No parts required power (if equipped) are functioning. © 2019—The Toro® Company Register at www.Toro.com. Original Instructions (EN) All Rights Reserved *3429-577* A 8111 Lyndale Avenue South Printed in the USA...

  • Page 2: Preparing The Machine

    Preparing the Machine Removing the Side Panels No Parts Required No Parts Required Procedure Procedure Park the machine on a level surface. Loosen the 2 knobs that secure the left and right side panels to the machine (Figure Engage the parking brake. Lower the cutting units.
  • Page 3 Remove the wire connectors (labeled + [28 COIL ] and - [28 ASTER ONTACTOR COIL ASTER ]) from the solenoid (Figure ONTACTOR Remove the red insulator and ring terminal (labeled S OLENOID ASTER ]) from the solenoid (Figure ONTACTOR g282710 Figure 5 g285045 1.

  • Page 4: Installing The Contactor

    Installing the Contactor Parts needed for this procedure: Contactor Contactor mount Cable Nut (1/4 inch) Nut (5/16 inch) Flange bolt Carriage bolt g282537 Figure 8 1. Contactor 3. Nut (1/4 inch) Procedure 2. Flange bolt Use 2 carriage bolts and 2 nuts (1/4 inch) to secure the contactor mount to the bracket Use a nut (5/16 inch) to secure the end of the (Figure...
  • Page 5 g282534 g282538 Figure 11 Figure 10 1. Fuse-holder cover 2. Ring terminal (S OLENOID 1. Ring terminal—28 3. Wire connector— COIL ASTER and ring terminal—battery ASTER ONTACTOR ONTACTOR cable 2. Nut 4. Wire connector— COIL ASTER ONTACTOR Torque the nuts that secure the connectors to the contactor posts to 5 to 6 N∙m (40 to 50 in-lb).
  • Page 6 Removing the I-Terminal Wire from the Alternator Parts needed for this procedure: Wire cap Wire label Vinyl cap Nut (M5) Cable tie Procedure g284893 Figure 13 Locate and remove the I-terminal wire (green 1. Vinyl cap 4. Alternator post—I terminal wire) on the alternator (Figure 12).
  • Page 7 Removing the Diode Parts needed for this procedure: Molded cap Procedure For machines with a serial number of 403444961 or below: Locate the fuse block on the right side of the machine (Figure 14). g285043 Figure 15 1. Diode 3. Molded plug 2.
  • Page 8 Remove the ring terminal for the yellow wire of the machine wire harness from the left post of the fuse holder (Figure 17). Remove the fuse (100 A) from the fuse holder Installing the 60-A Fuse (Figure 17) and discard it. Install the fuse (60 A) to the fuse holder (Figure 17).

  • Page 9: Connecting The Battery

    Installing the Decal Installing the Side Panels and Closing the Hood Parts needed for this procedure: Fuse decal (Part No. 139-1031) No Parts Required Procedure Procedure Align the holes in side panels with the holes Remove any dust and debris from the existing in the panel supports of the machine;...
  • Page 10 Verify the 28-V System and Cab-Power Function No Parts Required Procedure Important: Ensure that all wiring is routed away from any hot, sharp, or moving parts on the machine. Ensure that the machine software is updated to the latest version (i.e., Rev K or higher). Use the InfoCenter to confirm that the 28-V system and cab power (if equipped) are charging.
  • Page 11 Notes:...

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Groundsmaster 5910Groundsmaster 139-1030

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