TM 5-4320-300-14
6-9. VALVES, CAMSHAFT, AND TIMING GEARS (CONT)
Location/Item
Action
Remarks
REMOVAL/INSTALLATION
OF VALVE GUIDE
NOTE
Only remove valve guides that have not passed inspection.
32. Valve guide
Position cylinder head, bottom side up
removal
on 2 inch thick wood blocks. Drive each
valve guide out of cylinder head with
the valve guide remover.
CAUTION
Top of valve guide must be 0.010 to 0.040 inch (0.254 to 1.016 mm) from top of cylinder head rail.
33. Valve guide
Position valve guide squarely in bore in cyl-
installation
inder head and press gently with an arbor
press to install guide.
REMOVAL/CLEANING/INSTALLATION
OF VALVE SEAT INSERT
34. Valve seat
Immerse cylinder head for 30
insert
minutes in water heated to
removal
1800 to 200°F (820 to 93°C).
Place cylinder head on work-
bench. Remove valve seat
insert.
6-67