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Page Title:
Table 4-56. Outer Valve Springs Wear Limits |
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 TM 9-2815-210-34-2-2
FRAME 2
NOTE
R e a d i n g s must be within limits given in table 4-56. If
r e a d i n g s are not within given limits, throw away spring
and get a new one.
D o this frame for all six outer valve springs (1).
1.
C h e c k that outer valve spring (1) is not worn, cracked or damaged. Throw
a w a y damaged outer valve springs and get new ones.
2.
M e a s u r e free length of outer valve spring (1).
U s i n g spring tester, measure load needed to s q u e e z e o u t e r v a l v e s p r i n g
3.
( 1 ) to a length of 1.67 inches.
4.
U s i n g spring tester, measure load needed to s q u e e z e outer valve spring (1)
t o a length of 2.12 inches.
5.
U s i n g spring tester, measure solid height of o u t e r v a l v e s p r i n g ( 1 ) .
GO TO FRAME 3
Table 4-56. Outer Valve Springs Wear Limits
Size and Fit
of New Parts
Wear Limits
( i n c h e s unless
( i n c h e s unless
Index
o t h e r w i s e noted)
Item /Point of Measurement
o t h e r w i s e noted)
Number
1
O u t e r valve spring free
None
2.5100 to 2.7100
length
1
O u t e r valve spring load at
1 5 3 . 7 to 167.7 pounds
147 pounds
1.67 inches
O u t e r valve spring load at
1
6 3 pounds
6 2 . 7 to 68.7 pounds
2 . 1 2 inches
1
O u t e r valve spring maxi-
None
1.5500
mum solid height
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