Kubota WSM ZD331 User Manual

2-S3
ZD321, ZD326, ZD331, WSM
TRANSAXLE
2. SERVICING SPECIFICATIONS
W1013874
Item Factory Specification Allowable Limit
Regulator Valve
(HST Charge Relief Valve)
Setting pressure
[at engine speed
ZD321, ZD326 :
3200 min
-1
(rpm)
ZD331 :
3000 min
-1
(rpm)]
0.75 to 0.95 MPa
7.7 to 9.6 kgf/cm
2
110 to 130 psi
–
PTO Clutch Operating
pressure
[at engine speed
ZD321, ZD326 :
1800 min
-1
(rpm)
ZD331 :
1600 min
-1
(rpm)]
0.65 to 0.75 MPa
6.7 to 7.6 kgf/cm
2
95 to 100 psi
–
Check and High Pressure Relief Valve Relief valve setting
pressure
[at engine speed
ZD321, ZD326 :
1800 min
-1
(rpm)
ZD331 :
1600 min
-1
(rpm)]
20.0 to 22.0 MPa
204 to 224 kgf/cm
2
2900 to 3190 psi
Maximum Speed
At Maximum Engine rpm
Wheel rotation
ZD321, ZD321N,
ZD326S
ZD326P, ZD331P,
ZD331LP
133 to 135 min
-1
(rpm)
148 to 150 min
-1
(rpm)
–
Motion Control Lever Alignment Gap 0 to 2 mm
0 to 0.08 in.
–
Space 10 to 20 mm
0.4 to 0.8 in.
–
16T or 18T Bevel Gear to 19T Bevel Gear Backlash 0.25 to 0.30 mm
0.0099 to 0.011 in.
–
KiSC issued 04, 2007 A

Kubota WSM ZD331 Specifications

General

Transmission	Hydrostatic
Fuel Type	Diesel
Cylinders	3
Engine Type	Diesel
Cutting Width	72 inches
PTO	Independent
Type	Zero-Turn Mower
Displacement	68.5 cu in
Drive	2WD
Turning Radius	Zero