Toro Z580 DFI Z Master Service Manual page 24

5. Drive the top and bottom tapered bearing cups out of
the caster fork hub (Fig. 008).
Fig 008
6. Install new tapered bearing cups by pressing each
bearing cup into the caster fork hub so that the thick-
er part of the taper is pressed in first. The bearing
cups should seat against the shoulder inside the
frame.
Section view of caster fork hub (Fig. 009):
A
B
C
A
Fig 009
A. Tapered Bearing Cup (2)
B. Caster fork hub (sectioned)
C. Machined shoulder inside caster fork hub (2)
Z580/Z589 DFI Z Master Service Manual
7. Pack the upper and lower tapered bearings with
8. Install the lower bearing into the caster fork hub (Fig.
IMG-7714a
9. Install the grease seal into the caster fork hub (Fig.
tapered bearing cup install
grease (No. 2 general purpose lithium base or
molybdenum grease).
010).
Fig 010
011).
Fig 011
CHASSIS
IMG-7722a
IMG-7725a
3-3
3