Workshop Manual
14.11 CLEANING OF VALVES AND RELATED PARTS
14.11 CLEANING OF VALVES A ND RELATED PARTS
Clean the valves and parts as f ollows:
EYE INJURY
To avoid injury from flying debris when using compressed
air, wear adequate eye protection (face shield or safety
goggles) and do not exceed 276 kPa (40 psi) air pressure.
1. Using proper eye protection, clean all of the disassembled parts with fuel oil and dry
with compressed air.
2. Clean the carbon from the valve stems and wash the valves with fuel oil.
3. Clean the valve guide bore to remove all gum and carbon deposits use bore brush (J–5437
or equivalent) for this procedure.
NOTICE:
If a valve is removed through a stem seal, the stem seal must be
replaced.
All information subject to change without notice.
14-26 DDC-SVC-MAN-0081 201 0 Copyrig ht © 2010 DETROIT DIESEL CORPORATION