WinGD X92 - Page 207

Maintenance
2728−1/A1
Winterthur Gas & Diesel Ltd.
3/ 4
5. Grinding
1) If the seating faces of the housing (2)
and the valve spindle (10) have
minimum damage, do as follows:
2) Manually grind the seat faces of the
housing (2) and the valve spindle (10).
3) Make sure that you keep the radius to
the values given in Fig. 3.
4) If the seating faces of the housing (2)
and the valve spindle (2) have more
than minimum damage,
do as follows:
5) Use a machine tool to grind the seating
face of the housing (2) and valve
spindle (10).
6) Manually grind the seating faces of the
housing and the valve spindle to get a
good finish.
7) Make sure that you keep the radius to
the values given in Fig. 3.
2015
Starting Air Valve: Removal, Disassemble, Grinding, Assemble, Installation
WCH02388
10
90°
WCH02389
I
I
I
91°
6
Fig. 3