Domestic Series 7000 Hydraulics
29
12.4. The cardan shaft transfers motion from the
steering wheel, through the body of the steering
unit, to the pump. See Figure 12.4.
12.5. The relief valve ball and retaianer live in one of
the fittinig bores. Carefully extract tehm with a
magnet while the steerin unit is in the upright
position. See Figure 12.5.
Figure 12.4
Figure 12.5
12.6. The spool and sleeve can be easily tapped-out
of the housing. A thrust bearing assembly fits
between the spool and sleeve assembly and the
housing. See Figure 12.6.
12.7. A circular retaioner holds the leaf springs in
place. See Figure 12.7.
• The leaf springs transmit steering force from the
sleeve to the spool.
• The effort it takes to deflect the leaf springs
determines the amount of force that must be
applied to the steering wheel before hydraulic
force is applied to the steering.
Figure 12.6
Figure 12.7
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