Installing Injector - MTU 12 V 2000 M84 Operating Instructions Manual

Installing injector

1. Remove all plugs before installation.
2. Fit new O-rings onto injector and coat with grease.
3. Fit new sealing ring with grease on injector, ensuring correct installation position of sealing ring.
4. Clean sealing surface on cylinder head and protective sleeve.
5. Insert injector (1) in cylinder head, ensuring that it is correctly aligned with the HP line connection.
6. Fit hold-down clamp (3) in correct installation position, coat screw (2) with engine oil.
7. Screw in screw (2) and tighten by hand.
8. Coat thread and sealing cone of HP line (5) and injector (1) with engine oil.
9. Align injector (1) and HP line (5) with alignment device.
10. Connect HP line (5) to HP accumulator and tighten by hand.
11. Connect HP line (5) to injector (1) and tighten by hand.
12. Tighten screw of hold-down clamp (3) with a box wrench adapter and a torque wrench to specified tight‐
ening torque.
Name
Screw
13. Use socket wrench and torque wrench to tighten HP line (5) to the specified torque.
Name
HP fuel line
14. Attach cable (4).
Final steps
1. Install cylinder head cover (→ Page 77).
2. Open fuel supply to engine.
80 | Task Description | MS150063/01E 2012-01
Size Type
M10 x 85 Tightening torque
Size Type
Tightening torque
Lubricant Value/Standard
(Engine oil) 40 Nm + 4 Nm
Lubricant Value/Standard
(Engine oil) 30 Nm + 5 Nm