REMOVAL - CYLINDER HEAD OFF ENGINE (Cont)

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REMOVAL - CYLINDER HEAD OFF ENGINE (Cont)

TM-55-1905-219-14-6 Landing Craft Utility (LCU) 1667 Class Boston Hull Numbers 1667-1670 NSN 1905-00-168-5764 Manual

REMOVAL - CYLINDER HEAD OFF ENGINE (Cont)

TM 55-1905-219-14-6

3-165.2. EXHAUST VALVE - MAINTENANCE INSTRUCTIONS (Continued).

LOCATION

ITEM

ACTION

REMARKS

REMOVAL- CYLINDER HEAD OFF ENGINE (Cont)

b. Remove

1. Place collet of tool

valve

J6567 inside the valve

seat

seat insert so the

insert

bottom of the collet

(12)

is flush with the

bottom of the insert.

2. Hold the collet handle

and turn the T handle

to expand the collet

cone until the insert

is held securely by

the tool.

3. Insert the drive bar

of the tool through

the valve guide, and

tap the drive bar

once or twice to move

the insert about 1/16

inch (1.588 cm).

4. Turn the T handle to

loosen the collet cone

and move the tool into

the insert slightly so

that the narrow flange

at the bottom of the

collet is below the

valve seat insert.

5. Tighten the collet cone

and continue to drive

the insert out of the

cylinder head.

3-2812