Kubota M105S, Workshop Manual

Page: 126 / 561

1-S9
M105S, WSM ENGINE
LUBRICATING SYSTEM
W1019038
COOLING SYSTEM
W1019384
Item Factory Specification Allowable Limit
Engine Oil Pressure At Idle Speed – 49 kPa
0.5 kgf/cm
2
7 psi
At Rated Speed 196 to 392 kPa
2.0 to 4.0 kgf/cm
2
28 to 57 psi
147.1 kPa
1.5 kgf/cm
2
21.3 psi
Engine Oil Pressure Switch Working Pressure 39.2 to 58.8 kPa
0.4 to 0.6 kgf/cm
2
5.6 to 8.4 psi
–
Inner Rotor to Outer Rotor Clearance 0.04 to 0.16 mm
0.0016 to 0.0063 in.
0.3 mm
0.0118 in.
Outer Rotor to Pump Body Clearance 0.100 to 0.184 mm
0.0039 to 0.0072 in.
0.3 mm
0.0118 in.
Rotor to Cover Clearance 0.025 to 0.075 mm
0.0010 to 0.0030 in.
0.225 mm
0.0089 in.
Relief Valve Working Pressure 885 kPa
9.04 kgf/cm
2
129 psi
–
Item Factory Specification Allowable Limit
Thermostat Valve Opening
Temperature 74.5 to 78.5 °C
166.1 to 173.3 °F
–
Valve Opening
Temperature
(Opened
Completely) 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
88
→
59 kPa
0.9
→
0.6 kgf/cm
2
13
→
9 psi
–
Fan Belt Tension 10 to 12 mm / 98 N
10 to 12 mm / 10 kgf
0.394 to 0.472 in. /
22.1 lbs
–
KiSC issued 03, 2007 A