Table 4-55. Inner Valve Springs Wear Limits

TM 9-2815-210-34-2-2

(3) Valve springs, spring retainers, and spring retainer locks.

FRAME 1

NOTE

R e a d i n g s must be within limits given in table 4-55. 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 inner valve springs (1).

C h e c k that inner valve spring (1) is not worn, cracked or damaged. Throw

a w a y damaged inner valve springs and get new ones.

M e a s u r e free length of inner valve spring (1).

U s i n g spring tester, m e a s u r e load needed to squeeze inner valve spring

( 1 ) to a length of 1.33 inches.

U s i n g spring tester, measure l o a d needed to squeeze inner valve spring (1)

t o a length of 1.78 inches.

U s i n g spring tester, measure s o l i d height of inner valve spring (1).

GO TO FRAME 2

NOTE

CHECK ONLY THOSE PARTS WHICH ARE CALLED OUT IN

THIS FRAME. PARTS WITHOUT CALLOUTS ARE SHOWN

ONLY FOR REFERENCE PURPOSES OR ARE CHECKED IN

ANOTHER FRAME.

Table 4-55. Inner Valve Springs Wear Limits

Size and Fit

Wear Limit

of New Parts

( i n c h e s unless

Index

o t h e r w i s e noted)

Item /Point of Measurement

Number

I n n e r valve spring free

None

2 . 0 1 0 0 to 2.2100

length

I n n e r valve spring load at

7 8 pounds

8 1 . 5 to 91.5 pounds

1.33 inches

I n n e r valve spring load at

3 3 pounds

3 4 . 5 to 38.5 pounds

1.78 inches

I n n e r valve spring maxi-

None

1.0700

mum solid height