Daewoo Musso. Manual — part 117
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OM600 ENGINE MECHANICAL 1B3-175
OIL PUMP
1 Oil Pump
2 Piston
3 Pressure Spring
4 Guide Pin
5 Screw Plug . . . . . . . . . . . . 50 Nm
6 Combination Bolt . . . . . . . . . .. 25 Nm
7 Oil Strainer
8 Bracket
Disassembly Procedure
1. Remove the oil pan.
2. Unscrew the mounting bolt of spracket.
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1B3-176 OM600 ENGINE MECHANICAL
Tightening Torque
10 Nm
3. Unscrew the oil strainer bracket bolt.
4. Remove the oil pump.
5. Unscrew the screw plug and remove the relief valve.
6. Installation should follow the removal procedure in the
reverse order.
![](/vehicles/epme/qux/oho/llong.png)
OM600 ENGINE MECHANICAL 1B3-177
CYLINDER HEAD PRESSURE LEAKAGE TEST
Preceding Work : Removal of the cylinder head
Removal of the exhaust manifold
Removal of the valve
1 Feed Pipe
2 Bolt
3 Return Connection
4 Gasket . . . . . . . . . . . . . . . . Replace
5 Coolant Gallery . . . . . . . . . . . . ... Sealing
6 Pressure Measuring Plate . . . . . . . . .. Completely tight to the cylinder head
7 Cylinder Head . . . . . . . . . . . . . .
Immerse with pressure measuring plate into warm water of approx. 60°C and pressurize with compressed
airof 2 bar.
Notice
If air bubbles are seen, replace the cylinderhead.
Tools Required
115 589 34 63 00 Pressure Measuring Plate
601 589 00 25 00 Suspension Device
UNIT REPAIR
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1B3-178 OM600 ENGINE MECHANICAL
Height ‘A’
(cylinder head surface - cylinder head cover surface)
Minimum height after machining
Permissible unevenness of parting surface
Permissible variation of parallelism (longitud. Direction)
Peak-to-valley height
Valve arrears ‘a’
Prechamber protrusion
Service Data
In longitudinal direction
In transverse direction
Intake valve
Exhaust valve
142.9 - 143.1mm
142.5mm
0.08mm
0.0mm
Max. 0.1mm
0.0017mm
0.1 - 0.7mm
0.1 - 0.7mm
7.6 - 8.1mm
FACING CYLINDER HEAD MATING SURFACE
Preceding Work : Removal of prechamber
Cylinder head pressure leakage test
1 Valve
2 Cylinder Head
3 Prechamber
A Height of Cylinder Head
B Longitudinal Direction
C Transverse Direction
a Valve Arrears
b Prechamber Protrusion
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