Kubota D1803-CR-E4 Workshop Manual page 194

4. ENGINE
Crankshaft journal to crankshaft
bearing 2
• Crankshaft journal
• Crankshaft bearing 2
Crankpin to crankpin bearing
• Crankpin
• Crankpin bearing
Cylinder bore
Cylinder bore (Oversize)
Cylinder maximum I.D. to cylinder
minimum I.D.
Lubricating system
Engine oil pressure
Oil pressure switch
Inner rotor to outer rotor
Outer rotor to pump body
Inner rotor to cover
Cooling system
Thermostat
Radiator
Radiator cap
Fan belt
4-94
Item
Oil clearance
O.D.
I.D.
Oil clearance
O.D.
I.D.
I.D.
I.D.
Difference
Item
At idle speed
At rated speed
Working pressure
Clearance
Clearance
Clearance
Item
Valve opening temperature
Valve full opening temperature
(Opened completely)
Water tightness
Air leakage
Tension
D1803-CR-E4,D1803-CR-TE4,D1803-CR-TIE4,V2403-CR-E4,V2403-CR-TE4,V2403-CR-TE4BG,V2403-CR-TIE4
Service specification
0.0400 to 0.104 mm
0.00158 to 0.00409 in.
59.921 to 59.940 mm
2.3591 to 2.3598 in.
59.980 to 60.025 mm
2.3615 to 2.3631 in.
0.025 to 0.087 mm
0.00099 to 0.0034 in.
46.959 to 46.975 mm
1.8488 to 1.8494 in.
47.000 to 47.046 mm
1.8504 to 1.8522 in.
87.000 to 87.022 mm
3.4252 to 3.4260 in.
87.250 to 87.272 mm
3.4351 to3.4359 in.
－
Service specification
More than
98 kPa
2
1.0 kgf/cm
14 psi
300 to 440 kPa
2
3.0 to 4.5 kgf/cm
43 to 64 psi
50 kPa
2
0.5 kgf/cm
7 psi
0.030 to 0.14 mm
0.0012 to 0.0055 in.
0.11 to 0.19 mm
0.0044 to 0.0074 in.
0.105 to 0.150 mm
0.00414 to 0.00590 in.
Service specification
80.5 to 83.5 ℃
176.9 to 182.3 ℉
95 ℃
203 ℉
No leak at specified pressure
10 seconds or more
88 → 59 kPa
2
0.89 → 0.61 kgf/cm
12 → 8.6 psi
10.0 to 12.0 mm
0.394 to 0.427 in.
(under load of 59 to 68 N (6.0 to
7.0 kgf, 14 to 15 lbf))
SERVICING
2. Service specifications
Service limit
0.20 mm
0.0079 in.
－
－
0.20 mm
0.0079 in.
－
－
87.170 mm
3.4319 in.
87.420 mm
3.4417 in.
0.15 mm
0.0059 in.
Service limit
50 kPa
2
0.5 kgf/cm
7 psi
250 kPa
2
2.5 kgf/cm
36 psi
－
0.2 mm
0.008 in.
0.25 mm
0.0098 in.
0.20 mm
0.008 in.
Service limit
－
－
－
－
－
KiSC issued 12, 2018 A