TM 9-2815-226-34-1
(6) Measure tip protrusion above block surface with tool no. 3376220 gage block.
(7) Mark sleeve for cutting if protrusion is less than 0.060 in. (1.524 mm).
(8) Mark sleeve for replacement if protrusion exceeds 0.070 in. (1.778 mm).
g. Valve guides inspection.
CAUTION
DO NOT USE PLUG GAGE.
PLUG GAGE WILL NOT DETECT OUT-OF-ROUND
HOLE.
(1) Using a small bore gage set at 0.4552 in. (11.5620 mm), check inside diameter of valve guide. If gage
enters hole, guide is excessively worn. Bore gage is used as "NO GO" gage.
3-165