TM-9-2815-220-24

AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL FOR AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines

TM-9-2815-220-24 - Page 204 of 1563

TM 9-2815-220-24

HELICAL-COIL INSERT REPLACEMENT

0029 00

INSTALLATION (Continued)

10. Remove damaged insert (1).

a. Using needle nose pliers (10), grasp

tang of insert (1) and turn insert to the

left until it can be removed from

tapped hole (A).

10

b. Remove and discard damaged

insert (1).

A

1

11. Return to Installation step 8.

12. Remove insertion tool (6).

a. Turn handle of insertion tool (6)

counterclockwise

until insertion tool

can be removed.

13. Remove tang (B) from insert (1).

a. Place appropriate tool (11) in tapped

hole (A) with installed insert (1).

6

B

b. Push down end of break-off tool (11)

until tang (B) breaks off of insert (1).

c. If tapped hole (A) is a blind hole,

remove and discard tang.

11

1

14. Inspect installed insert (1).

a. Check that threads of insert (1) are

not twisted, cracked, or stripped.

A

b. Check that insert is just below

chamfer area of hole.

C

1

c. If new insert (1) was damaged during

installation, or installation depth is

not correct, go to Removal step 1.

END OF WORK PACKAGE

WP 0029 00-4