7-S5
B1710 · B2110 · B2410 · B2710, WSM
STEERING
4. CHECKING, DISASSEMBLING AND SERVICING
[1] HYDRAULIC PUMP
(1) Checking and Adjusting
Flowmeter Connecting and Test Preparation
• When using a flowmeter other than KUBOTA specified
flowmeter (Code No.: 07916-52792), be sure to use the
instructions with that flowmeter.
• In this hook-up, there is no relief valve.
Therefore while testing, do not close the flowmeter loading
valve completely.
1. Remove the steering wheel, meter panel and panel under cover.
2. Remove the power steering delivery pipe and pipe joint of IN port
of power steering body.
3. Set the adaptor 66 (4) to the hydraulic pump (1).
4. Install the adaptor 69 (3) to the IN port of power steering body.
5. Connect the hydraulic test hose (5) (Code No.: 07916-52651) to
the adaptor 66 and flowmeter (Code No.: 07916-52791) inlet
port.
6. Connect the another hydraulic test hose (2) to flowmeter outlet
port and IN port of power steering body.
7. Open the flowmeter loading valve completely. (Turn
counterclockwise)
8. Start the engine and set the engine speed at 2600 rpm.
9. Slowly close the loading valve to generate the pressure approx.
12.3 MPa (125 kgf/cm
2
, 1778 psi).
10.Hold in this condition until oil temperature reaches approx. 50 °C
(122 °F).
(Reference)
• Adaptor is included in the adaptor set (Code No.: 07916-54031).
W10119600
(1) Hydraulic Pump
(2) Hydraulic Test Hose
(3) Adaptor 69
(4) Adaptor 66
(5) Hydraulic Test Hose
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