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 203 of 1563
TM 9-2815-220-24
HELICAL-COIL INSERT REPLACEMENT
0029 00
INSTALLATION
1. Loosen setscrew (5).
2. Install new insert (1) on insertion tool (6).
a. Turn handle until shaft (7) extends
past tip of insertion tool (6), slightly
longer than length of insert (1).
b. Screw new insert (1) on shaft (7) until
tang (A) of insert goes into shaft
notch (B).
3. Set depth of insertion tool (6).
a. Adjust distance (C) between end (D)
of insert (1) and tip (E).
Turn handle
until distance is equal to installation
depth below surface of tapped hole.
See procedural work package for
proper installation depth.
b. Push down stop collar (8) until it
contacts body of insertion tool (6).
c. Tighten setscrew (5).
4. Remove insert (1) from insertion tool (6).
5. Turn handle (9) until shaft (7) retracts
fully into insertion tool (6).
6. Place insert (1) in opening (F) of
insertion tool (6).
7. Turn handle (9) until tang (A) of insert
(1) is even with tip of insertion tool (6).
CAUTION
Insertion tool must be straight and
not allowed to wobble when
installing insert.
Equipment can
be damaged.
Do not force insert
into tapped hole.
Threads will be
damaged.
8. Install new insert (1).
a. Put tip of insertion tool (6) against
tapped hole (G) being sure that
insertion tool is straight.
b. Slowly turn handle (9) of insertion
tool (6) to the right until stop collar
(8) contacts body of insertion tool.
c. If insert (1) does not go into tapped
hole (G) easily, go to step 9.
If
insert (1) does go into tapped
hole (G) easily, go to step 12.
9. Remove insertion tool (6).
a. Turn handle (9) of insertion tool (6)
counterclockwise
until insertion tool
can be removed.
9
F
1
8
9
1
8
6
A
6
6
5
1
C
1
G
7
E
D
B
A
6
1
1
WP 0029 00-3
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