Technical data

Appendix C
(Reference)
Adjustment Parameters of the Diesel Engine
Table C.1
Description
Unit of
measure-
ment
Value
rated allowable
1. Oil pressure in the system (on the warmed-up
engine) at the rated rotational speed of the crank-
shaft
psig
(kgf/cm
2
)
36.3 – 50.8
(2.5 – 3.5)
18.9
(1.3)
2. Recommended coolant temperature (thermal
conditions)
C
75-95 100
3. Belt deflection at 9 lb (4 kgf) force midway be-
tween the crankshaft and alternator pulleys:
- D-243 engine and its modifications in (mm) 0.58-0.85 (15-22) 1.0 (25)
- D-245 engine and its modifications in (mm) 0.47-0.67 (12-17) 0.8 (20)
4. Clearance between the rocker arm head and
valve stem end on cold engine for intake and ex-
haust valves:
in (mm)
- D-243 engine and its modifications 0.01
+0.002
(0.25
+0.05
)
0.008-0.014
(0.2-0.35)
- D-245 engine and its modifications
а) for intake valves 0.01
+0.002
(0.25
+0.05
)
0.008-0.014
(0.2-0.35)
б) for exhaust valves 0.018
-0.002
(0.45
-
0.05
)
0.014-0.02
(0.35-0.50)
5. Fuel injection dwell angle before the top dead
centre (timing point):
degrees
- D-243 engines and their modifications, D-
245, D-245.2 engines
201
22
- D-245.4, D-245.5 engines
181
20
6. Pressure of the beginning of the fuel injection psig
(kgf/cm
2
)
3,135
+114
(220
+8
)
2,422
(170)
7. Tightening torque of the main threaded joints: lb.ft
(kgf.m)
- main bearing bolts 148-162 (20-22)
- nuts of the connecting-rod bearing bolts 133-148 (18-20)
- cylinder head bolts 140-155 (19-21)
- flywheel bolts 180-148 (18-20)
- counterweight bolts 89-103 (12-14)
- fuel injector bolts 15-18 (2-2,5)
- crankshaft pulley bolts 177-206 (24-28)
- nut of the centrifugal oil filter cap 26-37 (3.5-5.0)