Daewoo Musso. Manual - part 117

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.

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.

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

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