ENGINE
2-31
D569-W02 May-2003
C. COOLING SYSTEM
a. Thermostat
Valve opening temperature at beginning
Opened completely (height 8 mm 0.315 in.)
69.5 ~ 72.5 °C (157.1 ~ 162.5 °F)
85 °C (185 °F)
b. Radiator
Radiator tightness
Radiator cap tightness
Fan belt tension
[deflection at 98 N (10 kgf, 22 lbs) of force]
No leak at 137 kPa, 1.4 kgf/cm
2
, 20 psi
10 seconds or more for pressure
falling from 88 ~ 59 kPa
from 0.9 ~ 0.6 kgf/cm
2
from 13 ~ 9 psi
7 ~ 9 mm
0.28 ~ 0.35 in.
D. FUEL SYSTEM
a. Inject Pump
b. Injection Nozzle
Fuel injection pressure
Fuel tightness of nozzle valve seat
13.73 ~ 14.715 MPa
140 ~ 150 kgf/cm
2
1,991 ~ 2,134 psi
No fuel leak for 5 sec.
at pressure
12.74 MPa
130 kgf/cm
2
1,849 psi
NOTE:
• Injection Sequence Four Cylinders: 1 → 3 → 4 → 2
(The cylinder number is given in order from the
gear case end.)
Injection timing (BTDC) 4A220
4A200T
18°
12°
www.mymowerparts.com
K&T Saw Shop 606-678-9623 or 606-561-4983
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