1-S72
ME8200, ME9000, WSM
ENGINE
Valve Seat Tightness
1. Set the injection nozzle to a nozzle tester (Code No. 07909-
31361).
2. Raise the fuel pressure, and keep at 12.75 MPa (130 kgf/cm
2
,
1849 psi) for 10 seconds.
3. If any fuel leak is found, replace the nozzle piece.
W1044357
(2) Disassembling and Assembling
Nozzle Holder
1. Secure the nozzle retaining nut (7) with a vise.
2. Remove the nozzle holder (1), and take out parts inside.
(When reassembling)
• Assemble the nozzle in clean fuel oil.
• Install the push rod (4), noting its direction.
• After assembling the nozzle, be sure to adjust the fuel injection
pressure.
W1044500
[6] TURBOCHARGER SYSTEM
(1) Checking
Turbine Side
1. Check the exhaust port (3) and inlet port (2) side of turbine
housing (1) to see if there is no exhaust gas leak.
2. If any gas leak is found, retighten the bolts and nuts or replace
the gasket (4) / (5) / (6) with new one.
W1044873
Injection pressure Factory spec.
No fuel leak at
12.75 MPa
130 kgf/cm
2
1849 psi
Tightening torque
Nozzle holder
34.3 to 39.2 N·m
3.5 to 4.0 kgf·m
25.3 to 28.9 lbf·ft
Overflow pipe nut
19.6 to 24.5 N·m
2.0 to 2.5 kgf·m
14.5 to 18.1 lbf·ft
Nozzle holder assembly
49.0 to 68.6 N·m
5.0 to 7.0 kgf·m
36.2 to 50.6 lbf·ft
(1) Nozzle Holder
(2) Adjusting Washer
(3) Nozzle Spring
(4) Push Rod
(5) Distance Piece
(6) Nozzle Piece
(7) Nozzle Retaining Nut
(1) Turbine Housing
(2) Inlet Port
(3) Exhaust Port
(4) Gasket
(5) Gasket
(6) Gasket
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