SECTION 8
TIGHTENING TORQUES
When selecting torque wrench, remember that it should not be subject to torque exceeding three-fourth of its
maximum capacity. Before tightening, clean threads and apply a little oil to them.
Description Torque (KgfM)
Engine
1 .Main bearing cap bolts
5
+1*
*Further
2 .Counterweight bolts on crankshaft
3
+ 1
tightening
3. Connecting rod bearing by 90
o
cap bolts M 15 x 1.5 10
+1
+ 20
o
)
cap nuts - M14
4. Cylinder head nuts -
Tighten cylinder head 1st stage 6
in 3 stages as per sequence 2nd stage 9
shown on page 22 3rd stage 11
5. Screw plug in cylinder head 10 to 20
6. Protective sleeve in cylinder head M14 x 1 6
7 .Nozzle in nozzle holder 8
8 .Nozzle holder in cylinder head 7
9 .Cap nuts on high pressure lines 2.5
10 .Rocker arm support bolts M12 11
11 .Cylinder head cover bolts M8 2.5
12 .Screw plug in crankcase M18 8
13 .Push rod chamber cover bolts M8 0.4 - 0.6
14 .Oil cooler bolts on Cyl. Cr. case M8 3.5
15 .Timing gear housing on crankcase M10 4.5
16 .Timing gear nut (Injection pump) M14 x 1.5 8
17 .Timing gear housing cover M6 0.8
18 .Camshaft center pin (timer on camshaft) 30
19 .Vibration damber lock bolt M24 x 1.5 50 to 55
20 .Flywheel mounting bolts M12 10
21. Flywheel housing on crankcase 9
22. Oil pump to crankcase 4
23 .Oil pump pressure relief valve 4.5
24 .Oil sump screw - M 6 0.5
25 Oil sump screw - M 8 0.5
26 .Oil sump drain plug 5
+ 1
27 .Screw on water pump pulley hub 3.5
28 .Exhaust manifold bolts M10 3.5
29 .Starter motoron clutch housing M1 0 5
30 .Clamping bolt for alternator M10 5
31 .Nut on alternator pulley M14 x 1.5 3.5
32 .Fuel filter bowl mounting bolts M12 x 1.5 2
33. Nuts to banjo union on leak oil line 5
34. Banjo bolt of leak oil line 2.5
35. Centre bolt of oil filter housing 6
36. Oil filter on crankcase M10 6
37. Oil pump cover on oil pump M8 3
38. Suction pipe on oil pump cover M8 3
39.
Screw plug oil pressure relief valve
M24 1.5
+1
Workshop Manual
S3.8 Engine
A030K288 (Issue 2)
01-2010
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