Checking, Disassembling And Servicing; Checking And Adjusting; Bi-Speed Turn - Kubota B1830 Workshop Manual

B1830,B2230,B2530,B3030, WSM

4. CHECKING, DISASSEMBLING AND SERVICING

[1] CHECKING AND ADJUSTING

(1) Bi-Speed Turn

Charge Pressure
CAUTION
• When checking, park the tractor on flat ground and fully
engage the parking brake.
1. Remove the plug (R 1/8) (1) at the front case right side
(3 cylinder engine model).
2. Remove the plug (GPF 3/8) (4) at the front case bottom side
(4 cylinder engine model).
3. Install the adaptor to the front case.
4. Install the cable and low pressure gauge to the adaptor.
Engine speed
Range gear shift position
HST pedal
5. Start the engine and warm the transmission fluid before testing.
6. Steer the steering wheel and turn the front wheel above
0.714 rad (42 °).
7. Read the low pressure gauge to measure the charge pressure.
8. If the measurement is not same as factory specification check
the Bi-Speed Turn charge valve and the related hydraulic
components.
Bi-Speed Turn charge
Factory specification
pressure
(1) Plug (R 1/8)
(2) Bi-Speed Turn Valve
(3) Bi-Speed Rod
(4) Plug (GPF 3/8)
3-S8
TRANSMISSION
Rated speed
Neutral
Neutral
0.4 to 0.6 MPa
2
4.1 to 6.1 kgf/cm
58 to 87 psi
[A] 3 Cylinder Engine Model
[B] 4 Cylinder Engine Model
9Y1210003TRS0004US0
KiSC issued 05, 2012 A