1-S15
ZD18(F) · ZD21(F) · ZD28(F), WSM
ENGINE
[2] LUBRICATING SYSTEM
W1017384
[3] COOLING SYSTEM
W1017547
Item Factory Specification Allowable Limit
Engine Oil Pressure At Idle Speed
At Rated Speed
More than 49 kPa
0.5 kgf/cm
2
7 psi
196 to 441 kPa
2.0 to 4.5 kgf/cm
2
36 to 64 psi
–
147 kPa
1.5 kgf/cm
2
27 psi
Inner Rotor to Outer Rotor Clearance 0.06 to 0.18 mm
0.0024 to 0.0071 in.
–
Outer Rotor to Pump Body Clearance 0.100 to 0.180 mm
0.0039 to 0.0071 in.
–
Rotor to Cover Clearance 0.030 to 0.085 mm
0.0012 to 0.0033 in.
–
Thermostat Valve Opening
Temperature
(At Beginning)
Valve Opening
Temperature
(Opened
Completely)
80.5 to 83.5 °C
176.9 to 182.3 °F
95 °C
203 °F
–
–
Radiator Water Leakage
Tes t P res s ure
No leaks at
137 kPa
1.4 kgf/cm
2
20 psi
–
Radiator Cap Pressure Falling
Time
10 seconds or more for
pressure falling from
88 to 59 kPa
from 0.9 to 0.6 kgf/cm
2
from 13 to 9 psi
–
Fan Belt Tension Approx. 10 mm (0.4 in.)
deflection at 98 N
(10 kgf, 22 lbs) of force
–
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