Kubota MX5100, Workshop Manual

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7-S10
MX5100, WSM STEERING
Hydraulic Pump Running-In
After reassembly, perform break-in operation in the following
manner, and check the pump for abnormality before use. If the
pump temperature should rise noticeably during running-in, recheck
should be performed.
1. Install the hydraulic pump to the tractor, and mount the suction
pipe and delivery pipe securely.
2. Set the engine speed at 1300 to 1500 min
-1
(rpm), and operate
the hydraulic pump at no load for about 10 minutes.
3. Set the engine speed at 2000 to 2200 min
-1
(rpm), and with the
hydraulic pump applied with 2.94 MPa (30 kgf/cm
2
, 427 psi) to
4.90 MPa (50 kgf/cm
2
, 711 psi) pressure, operate it for approx.
15 minutes.
4. With the engine set to maximum speed, fully turn the steering
wheel to the left or right, then actuate the relief valve five times
for 25 seconds (one time 5 seconds).
W10310550