TM 5-3805-281-24-2
Cylinder Head and Valves
KNURL VALVE GUIDES
1. Use JT05949 (formerly D20002) Valve Guide Knurler
Kit to knurl valve guides.
NOTE: Use tool set exactly as directed by the
manufacturer.
2. After knurling, ream valve guide to finished size to
provide specified stem-to-guide clearance.
Knurling Valve Guides
A--Knurler
B--Reamer
C--Speed Reducer
D--Lubricant
RG,RG34710,1090
1923OCT971/1
CLEAN AND INSPECT VALVE SEATS
1. Use an electric hand drill with D17024BR Wire
Cleaning Brush or equivalent brush to remove all
carbon on valve seats.
2. Check seats for cracks, pits, or excessive wear.
3. Check entire combustion face for rust, scoring, pitting,
or cracks.
Cleaning Valve Seats
RG,RG34710,1091
1923OCT971/1