Kubota M9540, Workshop Manual

Page: 133 / 619

1-S10
M8540, M9540, WSM ENGINE
LUBRICATING SYSTEM
W10139730
COOLING SYSTEM
W10135990
Item Factory Specification Allowable Limit
Engine Oil Pressure At Idle Speed
At Rated Speed
–
200 to 390 kPa
2.0 to 4.0 kgf/cm
2
29 to 56 psi
50 kPa
0.5 kgf/cm
2
7 psi
150 kPa
1.5 kgf/cm
2
21 psi
Engine Oil Pressure Switch Working Pressure 40 to 50 kPa
0.4 to 0.6 kgf/cm
2
6 to 8 psi
–
Inner Rotor to Outer Rotor Clearance 0.04 to 0.16 mm
0.0016 to 0.0062 in.
0.3 mm
0.01 in.
Outer Rotor to Pump Body Clearance 0.100 to 0.184 mm
0.00394 to 0.00724 in.
0.3 mm
0.01 in.
Inner Rotor to Cover Clearance 0.025 to 0.075 mm
0.00099 to 0.0029 in.
0.225 mm
0.00866 in.
Relief Valve Working Pressure 887 kPa
9.04 kgf/cm
2
129 psi
–
Thermostat Valve Opening
Temperature
Valve Opening
Temperature
(Opened
Completely)
74.5 to 78.5
°
C
166.1 to 173.3
°
F
90 °C
194 °F
–
–
Radiator Water Tightness Water tightness at
specified pressure
137 kPa
1.4 kgf/cm
2
20 psi
–
Radiator Cap Air Leakage 10 seconds or more
90
→
60 kPa
0.9
→
0.6 kgf/cm
2
10
→
9 psi
–
Fan Belt Tension 10 to 12 mm / 98 N
0.40 to 0.47 in. / 98 N
(10 kgf, 22 lbf)
–
KiSC issued 09, 2008 A