Daewoo Musso. Manual — part 98

OM600 ENGINE MECHANICAL 1B3-99

Diameter ‘a’

275 + 0.5mm

Replacement Procedure

1. Drill a hole into the ring gear (1) (arrow) and snap

with a chisel.

2. Thoroughly clean the collar surfaces of ring gear.

3. Measure diameter (a) of centering collar.

Notice

If out of standard, replace the flywheel.

4. Heat up the new ring gear up to 220°C by using a

heating device.

Notice

Use temperature measuring chalk.

5. Install the new ring gear (1) onto the flywheel by using a

drift.

1B3-100 OM600 ENGINE MECHANICAL

6. Measure axial runout of ring gear (1) on a surface plate.

Limit

Max. 0.4mm

Notice

For correct measurement, put the flywheel on the flat
measuring board.

Dial Gauge 001 589 53 21 00

Dial Gauge Holder 363 589 02 21 00

OM600 ENGINE MECHANICAL 1B3-101

HYDRAULIC VALVE CLEARANCE COMPENSATION ELEMENT CHECK

1 Cylinder Head Cover
2 Bolt . . . . . . . . . . . . . . . 10Nm
3 Gasket . . . . . . . . . . . . ... Replace

4 Valve Tappet
5 Cylinder Head

1B3-102 OM600 ENGINE MECHANICAL

Checking

Notice

The noise which continues short time during short travel
(frequent starting of the engine) or engine starting after a
long time storage is normal operating conditions. So, it does
not need to be repaired. Determine the malfunctions in valve
clearance compensation device with noise through following
tests. If defective, replace as respectively.

1. Run the engine at more than 3000rpm for approx. 4 minutes.

2. Stop the engine. After 5minutes, check the engine oil level

and adjust if necessary.

3. Remove the cylinder head cover.

4. Check the valve tappets at TDC position of each cylinders.

5. Using a drift, lightly press the valve tappet and measure

clearance between the cam and valve tappet.

Notice

If the clearance exceeds 0.4mm, replace the valve tappet.

6. If a valve tappet moves down too far in comparison to the

others, replace the valve tappet.

7. Rotate the engine and check the remaining valve tappets.

Notice

l

Unnecessary rotation of the engine will damage the valve
tappets.

l

Do not rotate the engine by using the camshaft sprocket
bolt or to the opposite direction of the engine rotation.