Repair - continued - TM-10-3930-673-340147

TM 10-3930-673-34

(b)

To install service valve guides 3904408 (thick wall intake) and 3904409 (thick wall exhaust),

machine cylinder head parent metal valve guide bores (B) to 0.5507 - 0.5517 in. dia (13.99 -

14.01 mm).

(3)

Install service valve guides 3906206

(14).

(a)

Install service valve guides

3906206 (14) by lubricating valve

guides with engine lubricating oil

and pressing guides in cylinder head

(2) until they are flush with bottom

of guide boss at C.

(b)

If necessary, trim service guides (14)

so they are flush with top of guide

boss at D. Note reference

dimension E.

(c)

Finish ream service valve

guides (14) to a diameter F of

0.3157 - 0.3165 in. (8.02 - 8.04 mm).

TR00617

(4)

Install service valve guides 3904408

and 3904409 (14).

(a)

Install service valve guides 3904408

and 3904409 (14) by lubricating

service guides with engine

lubricating oil and pressing guides

into cylinder head (2) until guide is

0.4803 - 0.4843 in. (12.20 - 12.30

mm) above cylinder head.

(b)

Finish ream service valve guides to

a diameter of 0.3157 - 0.3158 in.

TR00618

(8.02 - 8.02 mm).

3-45