TM 5-3895-346-14
TROUBLE SHOOTING
ENGINE OVERHAUL
EXHAUST VALVE
Probable Causes
1.STICKING VALVE
4. BENT VALVE
8. VARNISH DEPOSITS
ON VALVE STEM
5. BROKEN VALVE
9. SCORED OR SCUFFED
VALVE STEM
2. IMPROPER VALVE
SEATING
6. EXCESSIVE VALVE TO
GUIDE CLEARANCE
10.ALL VALVES BENT
3. VALVE SEAT PITTING
7. CARBON DEPOSITS
11. OIL RUNNING DOWN
OR OVERHEATED
VALVE HEAD
VALVE STEM
196
