Installation Instructions

ManualsBrandsToro ManualsAeratorsFlywheel Replacement Kit, ProCore 660 and 880 Aerators

Printed in the USA

W 2004 by The Toro Company

8111 Lyndale Avenue South

Bloomington, MN 55420-1196

Flywheel Replacement Kit

ProCore

)

660 & 880 Aerators

Part No. 108–6756

Form No. 3352–835 Rev. A

Installation Instructions

1. Loosen the jam nut securing the idler tube to the

tensioner arm (Fig. 1).

2. Rotate the hex on top of the idler arm until all the

spring tension is removed (Fig. 1).

Figure 1

1. Idler spring boot

2. Jam nut

3. Adjusting nut

4. Idler pin & hairpin cotter

5. Idler pulley

6. Hairpin cotter & idler shaft

7. Tine arm assembly

3. Remove the hair pin cotter and the idler pin securing

the top of the spring assembly to the frame (Fig. 1).

4. Remove the hair pin cotter securing the idler pulley

assembly to the idler shaft (Fig. 1). Remove the idler

assembly from the shaft.

5. Remove the screw, lock washer and flat washer

securing the top of the tine arm to the pulley (Fig. 1).

6. Remove the fasteners securing the bottom of the tine

arm or roto–link arm to the bottom links (Fig. 2).

Align the tine arm with the slot in the frame and slide

off the crank pin.

7. Repeat steps 5–6 for the opposite arm of the crankarm

assembly.

Figure 2

1. Tine arm

2. Bottom link

3. Rotalink arm

8. Remove the M12 bolt and the thin assembly washer

securing the taper lock assembly to the opposing crank

arm (Fig. 3). Discard.

Figure 3

1. Bushing set screws 2. Bolt (M12)

9. Remove the taper lock bushing set screws from the

bushing. Install the set screw in the removal hole and

tighten until the taper lock bushing is free from the

pulley (loose assembly). Remove the setscrew from

the removal hole (Fig. 3).

10. Remove the pulley, taper lock bushing, and key from

the assembly and retain for later assembly.

Summary of content (2 pages)

PAGE 1
Flywheel Replacement Kit Form No. 3352–835 Rev. A ProCore) 660 & 880 Aerators Part No. 108–6756 Installation Instructions 1. Loosen the jam nut securing the idler tube to the tensioner arm (Fig. 1). 1 2. Rotate the hex on top of the idler arm until all the spring tension is removed (Fig. 1). 3 4 5 2 7 6 3 2 1 Figure 2 1. Tine arm 2. Bottom link Figure 1 1. 2. 3. 4. Idler spring boot Jam nut Adjusting nut Idler pin & hairpin cotter 3. Rotalink arm 8.
PAGE 2
3. Secure the idler pulley assembly to the idler pivot shaft with the hair pin cotter (Fig. 1). 11. Use a spare shaft or punch to slide inside the bearing housing while removing the crankarm assembly out of the bearing housing. This will prevent the inside bearing spacer from falling out of position. 24. Secure the tip of the spring assembly to the frame with the idler pin and hair pin cotter (Fig. 1). 12. Inspect both bearings. Replace if damaged. 25. Adjust the belt tension.