Kubota D722-E - Page 81

68mrnSTROKESERIES MM,0716? S-G GENERAL
Factory Specification
98 kPa
1 .O kgfkrnz, 14 psi
196 to 441 kPa
2.0 to 4.5 kgfkm2
28 to 64 psi
(2) LUBRICATING SYSTEM
Oil Pump
Allowable Limit
-
98 kPa
1.0 kgf/cmz
14 psi
item
0.075 to 0.135 mm
0.0029 to 0.0053 in.
-
Engine oil pressure
Approx.
10 mm/l 0 kgf
0.39 in./lO kgf (22.1 Ibs.)
Fan belt tension
At idle
speed
At rated
speed
-
Clearance between inner rotor and outer rotor
0.03 to 0.14 mm
0.012 to 0.0055 in.
Clearance between outer rotor and pump body
0.07 to 0.1 5 mm
0.0028 to 0.0059 in.
~~ ~~
End clearance between inner rotor and cover
(3) COOLING SYSTEM
Thermostat
Thermostat's valve opening temperature
I
69.5 to 72.5"C
157.1
to 162.5"F
185°F
Temperature at which thermostat completely
opens
~
Radiator
Water tightness at
specified pressure
157 kPa
Radiator water tightness
1.6 kgfkrnz, 23 psi
10 seconds or more
88 + 59 kPa
0.9 + 0.6 kgf/cm2
13+9 psi
Radiator cap air leakage
(4) FUEL SYSTEM
Injection
Pump
Injection timing
I
0.35 to 0.38 rad. before
T.D.C.
(20"to 22")
I Fuel tightness of pumpe element
14.71 MPa
150 kgfkmz, 2133 psi
5 seconds
14.7 + 13.7 MPa
1
50 4 140 kgf/cmz
2133+ 1990 psi
Fuel tightness
of delivery valve
I
5-20