Toro Z580 DFI Z Master Service Manual page 26

3. Install the locknut. Tighten the locknut until the
Belle ville washers are flat, then back the nut off 1/4
turn to properly set the preload on the bearings (Fig.
015).
Fig 015
4. Remove the plug located on the side of the castor
hub. Install a grease fitting. Apply grease (No.
2 general purpose lithium base or molybdenum
grease) into the hub until it passes through the upper
bear ing. Fill the top cavity with grease (Fig. 016).
Fig 016
Z580/Z589 DFI Z Master Service Manual
5. Remove the grease fitting and install the grease
plug.
6. Install the dust cap onto the frame (Fig. 017).
IMG-7874a
PICT-2897a
CHASSIS
Fig 017 IMG-7734a
3
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