Doosan G424FE - Page 45

G424F(FE) Service Manual Chapter 3. Engine Mechanical System 43
Installation
Install or connect
1. Coolant pipe attaching bolt with cylinder block in
its place.
2. With 13mm torque spanner, proper torque; tighten.
Tighten
• Bolts: 18 – 22 N·m (13 – 16 lb·ft.).
3. Hose clamp with torque driver; tighten.
Tighten
• Clamps: 1.5 – 2 N·m (1.1 – 1.5 lb·ft.).
4. A new gasket between intake manifold and
cylinder head.
5. Intake manifold and its attaching nuts, without
tightening.
6. With a 13-mm socket wrench, extension and
proper torque wrench; tighten.
Tighten
• Nuts: 18 – 22 N·m (13 – 16 lb·ft.).
Obs.: Tighten the intake manifold nuts in a
crisscross sequence, from the center to the ends.
7. Put the pipe on the manifold.
8. With a 10-mm socket wrench, extension and
proper torque wrench; tighten.
Tighten
• Bolts: 5 – 6 N·m (3.7 – 4.4 lb·ft.).
9. Insert the TMAP onto manifold with greased o-
ring.
10. With an E-8 socket wrench, extension and
proper torque wrench; tighten.
Tighten
• Bolts: 6– 7 N·m (4.4 – 5.2 lb·ft.).
11. MAP sensor electric connector in the intake
manifold rear area.
12. Insert the fuel rail with injectors in the hole of
manifold and paste oil and grease to o-ring of
injector. (G424FE)
13. With a 12-mm socket wrench, extension and
proper torque wrench; tighten.
Tighten
• Nuts: 18 – 22 N·m (13 – 16 lb·ft.).