2-S3
ZD21N-EC, ZD21-EC, ZD28-EC, WSM
TRANSAXLE
2. SERVICING SPECIFICATIONS
W1013874
Item Factory Specification Allowable Limit
Regulator Valve Setting pressure 0.50 to 0.69 MPa
5.0 to 7.0 kgf/cm
2
71.2 to 99.6 psi
–
PTO Clutch Operating
pressure
0.50 to 0.69 MPa
5.0 to 7.0 kgf/cm
2
71.2 to 99.6 psi
–
Creeping Speed
At Maximum Engine rpm
Wheel rotation 8 to 10 rpm –
Check and High Pressure Relief Valve Relief valve setting
pressure
28.4 to 29.4 MPa
290 to 300 kgf/cm
2
4125 to 4269 psi
–
Maximum Speed
At Maximum Engine rpm
Wheel rotation 148 to 150 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 Bevel Gear to 19T Bevel Gear Backlash 0.20 to 0.30 mm
0.0078 to 0.0118 in.
–
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