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Page 202
REPAIR INSTRUCTIONS
Valve Replacement
[213 NB]
INSPECTION
Refer to Figure 209.
Visually inspect valves for cracks, pits or other
conditions that may cause improper operation.
Check valve seat angle. Also check stem length,
diameter and condition.
209
Figure 209 — Valve Dimensions
1. Inlet Valve
2. Pyromet Exhaust Valve
3. Seat Angle: 20
°
Inlet, 30
°
Exhaust
4. Minimum After Grinding: 0.130 inch (Inlet), 0.100 inch
(Exhaust)
5. One Stem Groove
6. Two Stem Grooves
5_106_00.bk Page 202 Friday, August 4, 2000 11:17 AM
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