PROCEDURE
1 Read the data in the manufacturer’s manual for the grinding tool (003, Figure 7-63).
NOTE: Use only the grinding tool (003) to grind the valve seat (001).
2 Put the valve seat (001) in the correct position on the grinding tool (003).
3 Put the gauge (002) on the valve seat (001).
4 Use the feeler gauge to measure the values.
NOTE: The data on the gauge (002) shows the maximum permitted limits for the valve
seat (001).
5 If the values are less than the limits given, do as follows:
5.1 Operate the grinding tool (003) to grind the sealing face of the valve seat (001).
Make sure that you get a smooth and flat surface.
5.2 Keep the valve seat angle to between 30° 0' and 30° 2’.
Fig 7-63 Valve seat - grinding tool
I
Between:
30° 0' and 30° 2’
I
001
001
002
003
001
CLOSE UP
• None
X72DF
AA00-2751-01AAA-655A-A
Maintenance Manual Exhaust valve - grind the seat
Winterthur Gas & Diesel Ltd.
- 309 - Issue 002 2020-10
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