2-S10
ZD18(F) · ZD21(F) · ZD28(F), WSM
TRANSAXLE
PTO Clutch Operating Pressure
(Hydrostatic Transmission Charge Pressure)
CAUTION
• When checking, park the tractor on flat ground, apply the
parking brake.
1. Remove the eye joint bolt (1), then install the adaptor cable and
pressure gauge.
2. Start the engine and set at maximum speed.
3. At this time, read the pressure gauge.
4. If the pressure is not within the factory specifications, check the
regulator valve and related hydraulic components.
Condition
• Engine speed …… Maximum
• Oil temperature … 45 to 55 °C
113 to 131 °F
W1014889
Checking Parking Brake
1. See page G-28.
W1015239
PTO clutch operating
pressure
Factory spec.
0.50 to 0.69 MPa
5.0 to 7.0 kgf/cm
2
71.2 to 99.6 psi
(1) Eye Joint Bolt (2) Control Valve
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