Lubricating System; Cooling System - Kubota G21LD / G21HD Workshop Manual

G21LD · G21HD, WSM

[2] LUBRICATING SYSTEM

Oil Pump
Engine Oil Pressure
At Idle Speed
At Rated Speed
Clearance between Inner Rotor and Outer Rotor
Clearance between Outer Rotor and Pump Body
End Clearance between Inner Rotor and Cover

[3] COOLING SYSTEM

Thermostat
Thermostat's Valve Opening Temperature
Temperature at which Thermostat Completely Opens
Radiator
Radiator Water Tightness
Radiator Cap Air Leakage
Fan Belt Tension
Item
1-S9
Factory Specifications
49 kPa
2
0.5 kgf/cm
7 psi
196 to 441 kPa
2
2.0 to 4.5 kgf/cm
28 to 64 psi
0.03 to 0.14 mm
0.0012 to 0.0055 in.
0.07 to 0.15 mm
0.0028 to 0.0059 in.
0.075 to 0.135 mm
0.00295 to 0.00531 in.
69.5 to 72.5 °C
157.1 to 162.5 °F
85 °C
185 °F
Water tightness at
specified pressure
157 kPa
2
1.6 kgf/cm , 23 psi
10 seconds or more
88 → 59 kPa
0.9 → 0.6 kgf/cm 2
13 → 9 psi
7.0 to 9.0 mm / 98 N
0.28 to 0.35 in. / 98 N
(10 kgf, 22 lbs)
ENGINE
Allowable Limit
–
147 kPa
2
1.5 kgf/cm
21 psi
–
–
–
W1017384
–
–
W1017547
–
–
–
W1013874
KiSC issued 08, 2007 A