Front Castor Fork Bushing Service

The castor forks have bushings pressed into the top and bottom of the casting and after many hours of operation, the bushings will wear. To check the bushings, move castor fork back and forth and from side to side. If castor spindle is loose around the bushings, bushings are worn and must be replaced.

1.Start tractor and raise deck to highest possible posi­ tion and turn off engine.

2.Remove front snapper pins from castor arms and slide castor wheel assembly out of castor arm tube.

3.Remove locknut from capscrew holding castor wheel assembly between castor fork. Grasp castor wheel and slide capscrew out of fork.

4.Remove retaining ring, washer and wave washer securing castor shaft to castor fork. Remove shaft from fork.

5.Insert pin punch into top or bottom of castor fork and drive bushing out of fork. Repeat for other bushing. Clean inside of forks to remove dirt.

6.Apply grease to inside and outside of new bushings. Using a hammer and flat plate, drive bushings into fork.

7.Inspect castor shaft and fork for wear and replace if damaged.

8.Push castor shaft through bushings and fork and se­ cure with wave washer, washer and retaining ring.

9.Insert snapper pin into castor arm and through groove in castor shaft at desired height–of–cut.

5

6

1

6

3

4

2

Figure 21

1. Front Castor Fork

4. Wave Washer

2. Retaining Ring

5. Castor Shaft

3. Washer

6. Bushings

84 inch Cutting Units

Page 9 – 12

Groundsmaster 3000/3000–D

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Image 172
Toro 3000D manual Front Castor Fork Bushing Service