Doosan D20G, Service Manual

Page: 589 / 1209

G424F(FE) Service Manual Chapter 3. Engine Mechanical System 89
39.
Timing pulley front cover and attaching bolts,
with a 10-mm socket wrench and torque wrench.
Tighten
•
Bolts: 6 – 8 N
·
m (4.4 – 5.8 lb
·
ft.).
40. A new gasket in the intake manifold.
41. Intake manifold in the cylinder head and
attaching nuts, with a 13-mm socket wrench,
extension and torque wrench.
Tighten
•
Nuts: 18 – 22 N
·
m (13 – 16 lb
·
ft.).
42. A new gasket in the exhaust manifold.
43. Exhaust manifold in the cylinder head and
attaching nuts, with a 13-mm socket wrench and
torque wrench.
Tighten
•
Nuts: 18 – 22 N
·
m (13 – 16 lb
·
ft.).
44. A new “O” ring in the crankcase breather tube.
45.
Crankcase breather tube and dipstick oil tube in
the cylinder block and attaching bolts, with a 13-
mm socket wrench and torque wrench.
Tighten
•
Bolts: 20 – 30 N
·
m (15 – 22 lb
·
ft.).
46. Crankcase breather tube hose to the valve cover,
with clamp pliers; attach the same.
47. A new phase and reference sensor seal ring in
the crankshaft.
48. Crankshaft position sensor in the cylinder block
together with its attaching bolts, with a Torx Bit
E10 wrench and torque wrench; tighten.
Tighten
•
Bolt: 4 – 8 N
·
m (3 – 5.8 lb
·
ft.).
49. Spark plugs, with a spark plug wrench.
50. Power steering pump and attaching bolts, with a
13-mm socket wrench and torque wrench;
tighten
Tighten
•
Bolts: 20 – 30 N
·
m (15 – 22 lb
·
ft.)
51. Generator and attaching bolts, with a 14-mm
socket wrench and torque wrench; tighten.
Tighten
•
Bolts: 20 – 30 N
·
m (15 – 22 lb
·
ft.).
52. Belt automatic tensioner and attaching bolt, with
a 16-mm socket wrench and torque wrench;
tighten.
Tighten
•
Bolt: 18 – 22 N
·
m (13 – 16 lb
·
ft.) 53. Clutch; see
“Clutch – Installation”, Section 7C.