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 TM 9-2815-220-24
CYLINDER VALVES AND ASSOCIATED PARTS REPAIR
0145 00
INSPECTION (Continued)
NOTE
Do not interpret termination of chrome plating on stem as indication
of a cracked valve stem.
not meet specifications in the following table.
Location
Sizes and Fits of New Parts inches (mm)
Wear Limits
A (exhaust valve stem)
0.5570 (14.1478)
0.5580 (14.1732)
0.5565 (14.1351)
B (intake valve stem)
0.4975 (12.6365)
0.4980 (12.6492)
0.4970 (12.6238)
2
1
5. Lightly blue face of valve inserts (3 and 4) with Prussian blue (item 25, WP 0173) and place
valves (1 and 2) into position on valve seat insert.
6. Rotate valves (1 and 2) one-half turn on insert and check for Prussian blue contact. Valve
must show full contact (360), as indicated by Prussian blue transfer, to qualify as a
serviceable valve. Valves that are not too badly damaged may be ground to be made
serviceable.
1
2
INTAKE
EXHAUST
4
3
WP 0145 00-2
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