WinGD X92 - Valve Seat − Replace; Grind

Maintenance
2751−3/A1
Winterthur Gas & Diesel Ltd.
1/ 5
Valve Seat − Replace / Grind
Tools:
1 Feeler gauge 94122
1 Valve seat fitting and dismantling device 94261
1 Template 94279
1 Tool, grinding 94291
1. General 1..........................................................
2. Preparation 1.......................................................
3. Valve seat − removal 2..............................................
3.1 Recommended procedure 2...................................
3.2 Alternative procedure 2.......................................
4. Valve seat − grinding 3..............................................
5. Valve seat − check 4................................................
6. Valve seat − installation 5...........................................
1. General
You must replace the valve seat when:
D The sealing surface has too much damage, or
D Frequent grinding has worn the valve seat to more than the specified limit.
2. Preparation
1) Disassemble the valve and remove the valve spindle, (see 2751−2, paragraphs 2.1
and 2.2).
2015
Exhaust Valve