Cub Cadet Domestic Series 7000 Service Manual page 24

Domestic Series 7000 Hydraulics
8.16. Install the test kit with the flexible line connected
to the pressure gauge end of the kit, and the
control valve connected to the flow meter end of
the kit. See Figure 8.16.
Figure 8.16
8.17. Confirm that the test kit valve is all the way open,
and that no unsafe conditions will arise from
starting the tractor engine.
8.18. Start the engine, warm-up the engine and
hydraulic system, then position the throttle to
3,000 RPM.
8.19. The flow meter should rise to 4 GPM (15 L/m)
and hold steady at that level. See Figure 8.19.
Figure 8.19
8.20. After the flow rate is established, lower the throt-
tle setting to 1,200-1,500 RPM
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8.21. Carefully close the valve on the test kit. Do not
Test kit connection
to lift control valve
8.22. The flow should remain constant, while the pres-
8.23. Turn off the engine.
8.24. Remove the test kit from the line between the
8.25. Install the test kit between the control valve and
20
close the valve all the way. It is not necessary to
move the lift cylinder to generate pressure.
See Figure 8.21.
Figure 8.21
sure climbs to 1,500 PSI (103 Bars). Open the
valve a soon as the readings are confirmed.
NOTE: Remember, the flow varies with engine
RPM, but does not vary with pressure generated
unless the auxiliary pump is failing.
steering unit and the lift control valve, and con-
nect the hydraulic line to the control valve.
the lift cylinder. See Figure 8.25.
NOTE: Fender removal is not necessary
Test kit installed in-line between
valve and cylinder.
Figure 8.25