Installation Instructions

ManualsBrandsToro ManualsAttachmentsRight-Hand Replacement Mower, Groundsmaster 580-D

Printed in the USA

 2002 by The Toro Company

8111 Lyndale Avenue South

Bloomington, MN 55420-1196

Form No. 3327–491

Installation

Instructions

Model No. 30591 –220000001 & Up

Model No. 30592 –220000001 & Up

Model No. 30593 –220000001 & Up

Replacement Deck

Groundsmaster  580–D

Front Cutting Unit

If replacing a front cutting unit with a serial number

prior to 219999999, use steps 1 thru 21. If cutting unit

serial number is 220000001 or higher, proceed to step

22.

1. Remove deck covers and relieve belt tension on all belts

(Fig. 1).

Figure 1

1. Tension arm 2. Jam nuts

2. Remove flange head screws securing gearbox plate and

separate plate and drive motor assembly from the deck

(Fig. 2 & 3). Be careful not to bend, twist, kink or

damage flexible hydraulic lines.

Figure 2

1. Compression spring and

tension plate

2. Wing unit drive belt

3. Gear box plate

4. Center drive belt

5. Lift arm

3. Remove hex head screws and flange locknuts securing

each lift arm to the castor arm and separate from the

arm (Fig. 2).

4. Roll the cutting unit away from the traction unit.

5. Remove (2) set screws and taper lock bushing securing

drive pulley to motor shaft (Fig. 3). Discard pulley,

bushing and set screws.

Figure 3

1. Drive motor

2. Gearbox plate

3. Drive pulley

4. Taper lock bushing

6. Remove (2) carriage bolts and flange nuts securing

drive motor to gearbox plate (Fig. 3). Discard gearbox

plate.

Note: Make sure three groove belt is in center pulley of

deck spindle (Fig. 4).

7. Loosely secure motor mount to deck with (4) 3/8 x

1” lg. capscrews, lockwashers and flatwashers (Fig. 4).

8. Mount drive motor to slide plate with (2) carriage bolts

and flange nuts (Fig. 4).

9. Mount drive pulley to motor shaft with taper lock

bushing, (3) screws and (3) lockwashers (Fig. 4).

Bushing to be flush with end of shaft within ±.06”.

10. Insert a compression spring and (2) spring holders onto

each side plate rod (Fig. 4). Position a spring holder into

end of each spring.

Summary of content (4 pages)

PAGE 1
Form No. 3327–491 Replacement Deck Groundsmaster 580–D Model No. 30591 –220000001 & Up Model No. 30592 –220000001 & Up Model No. 30593 –220000001 & Up Front Cutting Unit Installation Instructions 3. Remove hex head screws and flange locknuts securing each lift arm to the castor arm and separate from the arm (Fig. 2). If replacing a front cutting unit with a serial number prior to 219999999, use steps 1 thru 21. If cutting unit serial number is 220000001 or higher, proceed to step 22. 4.
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11. Insert slide bar onto side plate rods (Fig. 4). 17. Tighten tensioner bolt until springs are compressed to a dimension of 2–13/16” . 12. Position slide plate/motor assembly onto motor mount while routing belt around drive pulley (Fig. 4). Be careful not to bend, twist, kink or damage flexible hydraulic lines. Note: When re–tensioning an old belt, tighten tensioner bolt until springs are compressed to a dimension of 3–1/4”. 13. Slide the height gauge under drive pulley (not under hub).
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Outboard Cutting Units 29. Remove (2) carriage bolts and flange nuts securing drive motor to slide plate (Fig. 3). 1. Remove deck covers and relieve belt tension on all belts (Fig. 6). Note: Make sure three groove belt is in center pulley of deck spindle (Fig. 4). 30. Mount drive motor to slide plate with (2) carriage bolts and flange nuts (Fig. 4). 1 2 31. Mount drive pulley to motor shaft with taper lock bushing, (3) screws and (3) lockwashers (Fig. 4). Bushing to be flush with end of shaft within ±.
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