Table 4-51. Intake Valves and Guides Wear Limits

9-2815-210-34-2-2

FRAME 5

NOTE

Readings must be within limits given in table 4-51.

The letter L shows a loose fit. I f readings are not

within given limits, throw away part and get a new

one.

I n t a k e valves (1) and exhaust valves (2) were

t a g g e d so the fit of each valve stem can be measured

i n valve guide it was taken from.

Measure a n d note outside diameter of stem of three intake valves (1).

Measure a n d note inside diameter of three intake valve guides (3) 1/8 to 1/4

i n c h from each end of guide. I f diameter is different at each end of guide,

n o t e biggest diameter.

M e a s u r e fit of stem of each intake valve (1) in its intake valve guide (3). Do

t h i s for all three intake valves and intake valve guides.

GO TO FRAME 6

Intake Valves and Guides Wear Limits

Size and Fit

Wear Limit

Index

of New Parts

(inches)

Item /Point of Measurement

Number

I n t a k e valve stem outside

0.4363

diameter

0 . 4 3 6 8 to 0.4373

I n t a k e valve guide inside

0.4420

diameter

0 . 4 3 8 8 to 0.4394

1 and 3

Fit of intake valve stem

i n intake valve guide

0.0015L to 0.0026L

0.0057L