TM-5-2815-241-34-P

ENGINE, DIESEL NTC-290

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT, MAINTENANCE (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)

MARCH 1987

TM-5-2815-241-34-P - Page 219 of 738

TM 5-2815-241-34&P

CYLINDER HEAD - CONTINUED

ACTION

LOCATION

ITEM

REMARKS

CAUTION

Overstaking around valve seat insert may crack cylinder head.

31.

Valve seat

insert (9)

a.

Using ST-257 valve seat insert driver

tool (10), drive valve seat insert into

valve seat bore (11), until fully

seated.

b.

Using ST-1122 tool driver (12) over

shaft of ST-1124 insert staking tool

(13), stake valve seat insert into cylin-

der head.

c.

Check valve seat width.

See step 10.

d.

Remove tools secured to cylinder head.

TA 242469

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