Daewoo MUSSO Service Manual page 337

1. Remove the injection nozzle.
2. Remove the prechamber.
3. Cover the prechamber bore to avoid any chips dropping
into the combustion chamber.
4. Remove the protective sleeve from the countersink and
rotate the countersink into the prechamber bore to be
machined as far as the stop.
5. Maintain size 'X' from the top edge of mandrel to the top
edge of the sleeve with the gauge.
6. Measure the 'X' by using a vernier caliper.
7. Mount the turning tool onto the countersink tool and rotate
to the right approx. 5 revolutions by applying slight pressure.
Counter Sink 601 589 00 66 00
Height Gauge 667 589 00 23 00
OM600 ENGINE MECHANICAL 1B3-33