Cub Cadet Z-Wing - Manual (Page 60)

Cub Cadet Commercial Z-Wing
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25.13.Loosen the jam nut that secures the T-fitting to
the “S” port on the right side hydro. pump or the
L-fitting to the “S” port on the left side hydro.
pump, depending on which pump is to be
removed. Wrench size: 11/16”.
NOTE: This will allow the fitting to be rotated for
better wrench access.
25.14.Disconnect the supply hose(s) from the “S” port
on the pump using an 11/16” wrench.
NOTE: Because of the tight fit, it may be easier
to loosen the hose(s) from the “S” port to finger-
tight. After the pump is unbolted from the frame,
the pump may be maneuvered into a position
that allows easier removal of the hose(s).
25.15.Cap the fitting on the pump to prevent spillage
during removal, and plug the fittings on the-
hose(s) to prevent contamination while discon-
nected.
25.16.Disconnect the return hose from the “T” port on
the hydro. pump using a screwdriver or 1/4” hex
driver to loosen the hose clamp.
See Figure 25.16.
25.17.Cap the fitting on the pump to prevent spillage
during removal, and plug the hose to prevent
contamination while disconnected.
25.18.Remove the nuts that secure the pump to the
frame using a 9/16” wrench. See Figure 25.18.
25.19.Disconnect the hose(s) from the “S” port, if not
already done, and lift the pump out of the mower.
25.20.On the bench: See Figure 25.20.
• Drain any remaining fluid from the pump.
• Make a visual comparison to confirm that the
replacement pump is suitable.
• Transfer any necessary fittings or components to
the new pump.
• It may be necessary to loosen the lock nut that
holds the scissors arms on the new pump.
• Prime the new hydro. pump with fluid as well as
possible on the bench, and cap fittings.
• Open the relief valve.
Figure 25.16
“T” port
Return
hose
Figure 25.18
Carriage bolts
(nuts
above above
frame)
Figure 25.20