Toro Greensmaster 3250-D 04383, Руководство по обслуживанию

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Greensmaster 3250--D Hydraulic System (Rev. I) Page 4 -- 105
Note: The cross pin can be seen through the open end
of the spool.
7. Make sure cross pin is kept horizontal in the spool
and sleeve. Remove sleeve, ring, and bearing from the
housing by pressing the spool out the housing bottom
(Fig. 69).
Note: The outer race of the bearing assembly may
stick in the housing. Make sure race is removed from the
housing.
8. Remove ring and bearing assembly from the spool.
Note: There is a small match mark on both the spool
and sleeve near one of the slots for the spring. If the
mark is not visible, match mark both the sleeve and
spool before removing the springs (Fig. 70).
9. Use special screw to press out cross pin from the
sleeve and spool (Fig. 69). Press spool carefully out of
the sleeve.
10. Press springs out of their slots in the spool.
11. Remove dust seal and O--ring/kin--ring from the
housing. Discard all seals, O--rings, and washers.
12. Remove all nicks and burrs from all parts with an
emery cloth.
CAUTION
Use eye protection such as goggles when using
compressed air.
13. Clean all parts with solvent. Dry all parts with com-
pressed air.
Reassembly (Fig. 68)
1. Lubricate all parts, O--ring/kin--ring, dust seal,
washers, and O--rings with clean hydraulic fluid.
2. Insert two flat springs into the slot of the spool. Insert
two curved springs between the flat springs and press
them into place (Fig. 71).
3. Install spool into the sleeve. Make sure match
marks on each part are aligned. Press springs together
and push them into slot in the sleeve. Line up springs
and center them (Fig. 70 and 71).
Figure 69
CROSS PIN
Figure 70
MARK
Figure 71
FLAT SPRING
TOP VIEW OF
SPOOL AND SLEEVE
CURVED SPRING
Hydraulic System