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 217 of 738

TM

5-2815-241-34&P

CYLINDER HEAD - CONTINUED

VALVE SEAT INSERT SPECIFICATIONS

VALVE SEAT

INSERT

CYLINDER HEAD VALVE

VALVE INSERT

CYLINDER HEAD

SEAT COUNTERBORE

OUTSIDE

COUNTERBORE

INSERT

DEPTH

DIAMETER

INSIDE DIAMETER

THICKNESS

IN. (MM)

IN. (MM)

IN. (MM)

IN. (MM)

1st oversize

standard

2nd oversize

standard

3rd oversize

0.005

(0.137)

4th oversize

0.010

(0.25)

5th oversize

0.015

(0.38)

2.0075/2.0085

(50.991151.016)

2.0125/2.0135

(51.118151.143)

2.0225/2.0235

(51.372/51.397)

2.0325/2.0335

(51.626151.651)

2.0425/2.0435

(51.880151.905)

2.0045/2.0055

(50.914150.940)

2.0095/2.0105

(51.041/51.067)

2.0195/2.0205

(51.295151.321)

2.0295/2.0305

(51.549151.575)

2.0395/2.0405

(51.803/51.829)

0.278/0.282

(7.0617.16)

0.278/0.282

(7.0617.16)

0.283/0.287

(7.1917.29)

0.288/0.292

(7.32/7.42)

0.293/0.297

(7.44/7.54)

TA 242467

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