Cub cadet commercial z-wing – Cub Cadet Z-Wing User Manual
Page 57
Cub Cadet Commercial Z-Wing
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24.20.Match-mark, then loosen the roller used to make
high-speed tracking adjustments using a 9/16”
wrench. Lift it up to allow full forward motion,
then snug-down the jam nut that locks the
adjustment. See Figure 24.20.
24.21.Start the engine, release the brake, and work the
drive system: See Figure 24.21.
•
Purge any air from the hydraulic system.
•
Check for leaks
•
Bring the hydraulic fluid up to operating tempera-
ture: 168 - 210 f. (71 - 99 c.).
Figure 24.20
Match marks
Figure 24.21
24.22.Begin the flow droop test with the throttle set to
•
Gently pull the lap bar that controls the pump
being tested all the way forward, and hold it
there for the duration of the test.
•
Observe the fluid flow rate. It should be near 9
GPM (34 LPM).
•
Close the load valve until the pressure gauge
reads around 300 PSI (20.68 Bar.) Observe
the fluid flow rate. It should be near 7GPM (26.5
LPM). See Figure 24.22a
Figure 24.22
Valve:
open
Pressure:
zero
35 LPM
Figure 24.22a
Valve:
partially closed
Pressure:
300 PSI
Flow:
27-28 LPM