wsm wg972-e4 - Page 101

ENGINE
WG972-E4, WSM
1-S10
LUBRICATING SYSTEM
COOLING SYSTEM
IGNITION SYSTEM
Item Factory Specification Allowable Limit
Engine Oil Pressure At Idle Speed
At Rated Speed
More than 50 kPa
0.5 kgf/cm
2
7 psi
200 to 440 kPa
2.0 to 4.5 kgf/cm
2
29 to 64 psi
–
150 kPa
1.5 kgf/cm
2
21 psi
Inner Rotor to Outer Rotor Clearance 0.030 to 0.14 mm
0.0012 to 0.0055 in.
–
Outer Rotor to Pump Body Clearance 0.070 to 0.15 mm
0.0028 to 0.0059 in.
–
Inner Rotor to Cover Clearance 0.0750 to 0.135 mm
0.00296 to 0.00531 in.
–
Item Factory Specification Allowable Limit
Fan Belt Tension 7.0 to 9.0 mm / 98 N
0.28 to 0.35 in. / 98 N
(10 kgf, 22 lbf)
–
Thermostat Valve Opening
Temperature
(At Beginning)
Valve Opening
Temperature
(Opened
Completely)
69.5 to 72.5 °C
157.1 to 162.5 °F
85 °C
185 °F
–
–
Radiator Cap Pressure Falling
Time
More than 10 seconds
for pressure fall from
90 → 60 kPa
0.9 → 0.6 kgf/cm
2
10 → 9 psi
–
Radiator Weak Leakage
Test Pres s u r e
No leak at specified
pressure
–
Item Factory Specification Allowable Limit
Ignition Timing (no-load condition)
[WG972-G]
[WG972-GL]
[WG972-L]
[WG972-N]
Gasoline
LPG
0.70 rad (40 °) B.T.D.C.
3600 min
-1
(rpm)
0.70 rad (40 °) B.T.D.C.
3600 min
-1
(rpm)
0.37 rad (21 °) B.T.D.C.
3600 min
-1
(rpm)
0.37 rad (21 °) B.T.D.C.
3600 min
-1
(rpm)
0.49 rad (28 °) B.T.D.C.
3600 min
-1
(rpm)
–
–
–
–
–
KiSC issued 07, 2015 A