Lubricating System; Cooling System - Kubota WSM Workshop Manual

ZD18(F) · ZD21(F) · ZD28(F), WSM

[2] LUBRICATING SYSTEM

Engine Oil Pressure
Inner Rotor to Outer Rotor
Outer Rotor to Pump Body
Inner Rotor to Cover

[3] COOLING SYSTEM

Thermostat
Radiator
Radiator Cap
Fan Belt
Item
At Idle Speed
At Rated Speed
Clearance
Clearance
End Clearance
Valve Opening
Temperature
(At Beginning)
Valve Opening
Temperature
(Opened
Completely)
Water Tightness
Air Leakage
Tension
1-S9
Factory Specification
More than 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.
80.5 to 83.5 °C
176.9 to 182.3 °F
95 °C
203 °F
Water tightness at
specified pressure
137 kPa
2
1.4 kgf/cm , 20 psi
10 seconds or more
88 → 59 kPa
2
0.9 → 0.6 kgf/cm
13 → 9 psi
Approx. 10 mm (0.4 in.)
deflection at 98 N
(10 kgf, 22 lbs) of force
ENGINE
Allowable Limit
–
147 kPa
2
1.5 kgf/cm
27 psi
–
–
–
W1017384
–
–
–
–
–
W1017547
KiSC issued 04, 2009 A