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Rear Axle Support
Groundsmaster
Model No. 145-8319
Installation
Loose Parts
Use the chart below to verify that all parts have been shipped.
Procedure
1
2
3
4
5
6
7
8
© 2022—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
No parts required
Rear axle support
Spacer axle
No parts required
No parts required
Register at www.Toro.com.
Form No. 3453-589 Rev B
Installation Instructions
Qty.
–
Prepare the machine.
–
Prepare the rear axle.
–
Remove the rear axle.
–
Remove the existing rear axle support.
Remove paint from the rear axle
–
support.
1
Install the replacement rear axle
support.
1
–
Weld the replacement rear axle support.
–
Finish the kit installation.
Original Instructions (EN)
Printed in the USA
All Rights Reserved
Use
*3453-589*
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Summary of Contents for Toro 145-8319
- Page 1 Form No. 3453-589 Rev B Rear Axle Support Groundsmaster ® 5900 or 5910 Rotary Mower Model No. 145-8319 Installation Instructions Installation Loose Parts Use the chart below to verify that all parts have been shipped. Procedure Description Qty. – No parts required Prepare the machine.
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Page 2: Preparing The Machine
Preparing the Machine No Parts Required Procedure Park the machine on a level surface. Engage the parking brake. Shut off the engine, remove the key, and allow the machine to cool. g387526 Figure 1 Remove the hood from its hinges. Note: Retain all removed parts for later installation. - Page 3 Preparing the Rear Axle No Parts Required Procedure This step will create space around the rear axle prior to removing it. Remove the rear wheels (Figure g392466 Figure 3 1. Rear wheel...
- Page 4 Remove any parts located between the engine and the rear of the machine so that the rear axle support is exposed (Figure • Cooling assembly • Batteries • Air filter • Alternator • Electrical subsystems • Hydraulic hoses Remove as many parts as needed so that there is enough space to remove the rear axle support in step Removing the Existing Rear Axle Support (page Note: Retain all removed parts for later installation.
- Page 5 Disconnect any hydraulic hoses attached to the steering cylinders and the rear wheel motors (Figure 5). Repeat on the other side for each. g392695 Figure 5 1. Hydraulic hose 3. Rear wheel motor 2. Steering cylinder...
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Page 6: Removing The Rear Axle
Removing the Rear Axle No Parts Required Procedure Remove the locknut and the thrust washer that secures the pivot shaft to the frame as shown in Figure g392469 Figure 6 1. Locknut 2. Thrust washer Support the rear axle to prevent it from falling. CAUTION The rear axle assembly weighs approximately 136 kg (300 lb). - Page 7 Pull the pivot shaft from the frame and the rear axle. Carefully lower the entire rear axle assembly and remove it from under the machine. Locate and retrieve the 2 thrust washers from between the machine frame and rear axle (Figure g392468 Figure 7...
- Page 8 Removing the Existing Rear Axle Support No Parts Required Procedure This step describes how to remove the existing axle support and prepare the frame for the next step. Grind down the weld located between the axle support and the corner support as shown in (Figure 8).
- Page 9 Removing paint from the Rear Axle Support No Parts Required Procedure Remove any paint from the indicated areas to ensure a continuous weld in step 7 Welding the Replacement Rear Axle Support (page 12). Repeat on the other side for each (Figure 11).
- Page 10 g392583 Figure 11 1. Remove paint from these areas...
- Page 11 Insert the spacer axle between the axle supports to ensure that they are the correct distance apart (Figure 13). Adjust the position of the replacement axle support accordingly. Installing the Replacement Rear Axle Support Parts needed for this procedure: Rear axle support Spacer axle Procedure Put the replacement axle support into position.
- Page 12 Apply tack welds to the outside, underside, and where the corner support touches the axle support in order to hold it in place (Figure 14). Repeat on the other side. Welding the Replacement Rear Axle Support No Parts Required Procedure Weld the axle support to the frame in the areas shown in (Figure...
- Page 13 Finishing the Kit Installation No Parts Required Completing the Rear Axle Installation Position the rear axle assembly to the frame. Raise the axle assembly to the frame and slide the pivot shaft through the frame, the axle, and 3 thrust washers (Figure 16).
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Page 14: Connecting The Battery
Install the rear wheels. Tighten the wheel lug nuts evenly in a cross pattern. Lower the rear of the machine and remove the jack stands. Refer to Operator’s Manual for the correct procedure. Connecting the Battery Rotate the battery-disconnect switch to the O position as shown in Figure Close the hood and secure it with the 2 hood latches. - Page 15 Notes:...