Kubota EA330-E4 Series - Page 74

ENGINE
EA330-E4, WSM
1-S9
LUBRICATING SYSTEM
COOLING SYSTEM
FUEL SYSTEM
Item Factory Specification Allowable Limit
Engine Oil Pressure At Idle Speed 50 kPa
0.5 kgf/cm
2
7 psi or more
–
At Rated Speed
(Engine Speed)
250 kPa
2.5 kgf/cm
2
36 psi or more
(3000 rpm)
200 kPa
2.0 kgf/cm
2
28 psi
(3000 rpm)
Inner Rotor to Outer Rotor Clearance 0.15 mm or less
0.0059 in. or less
0.20 mm
0.0079 in.
Outer Rotor to Pump Body Clearance 0.0900 to 0.171 mm
0.00355 to 0.00673 in.
0.24 mm
0.0094 in.
Inner Rotor to Cover Clearance 0.02 to 0.06 mm
0.0008 to 0.002 in.
0.25 mm
0.0098 in.
Relief Pressure 200 to 390 kPa
2.0 to 4.0 kgf/cm
2
29 to 56 psi
–
Item Factory Specification Allowable Limit
Fan Belt Tension 5.0 to 10 mm / 98 N
0.20 to 0.39 in.
(10 kgf, 22 Ibs)
–
Radiator Water Tightness No leak at
190 kPa
1.9 kgf/cm
2
27 psi
–
Radiator Cap Air Leakage 10 seconds or more
110 → 80 kPa
1.1 → 0.8 kgf/cm
2
16 → 10 psi
–
Item Factory Specification Allowable Limit
Injection Timing (Static) 0.4320 to 0.4581 rad
(24.75 to 26.25 °)
before T.D.C.
–
Fuel Tightness of Pump Element – 13.73 MPa
140.0 kgf/cm
2
1991 psi
Fuel Tightness of Delivery Valve 10 seconds
13.73 → 12.75 MPa
140.0 → 130.0 kgf/cm
2
1991 → 1849 psi
5 seconds
13.73 → 12.75 MPa
140.0 →
130.0 kgf/cm
2
1991 → 1849 psi
Fuel Injection Pressure 13.73 to 14.70 MPa
140.0 to 150.0 kgf/cm
2
1992 to 2133 psi
–
Fuel Tightness of Nozzle Valve Seat 12.75 to 13.72 MPa
130.0 to 140.0 kgf/cm
2
1849 to 1991 psi
–
KiSC issued 05, 2015 A