MTU Detroit Diesel 183 Series Technical Publication page 69

General
20080/1 E 98-12
Insert Heli-Coil thread insert (3) into spindle (1) in
installation tool.
Note
Angled end of Heli-Coil thread insert must be in groove
(arrow).
Use spindle to turn thread insert (3) through mouth
piece until it is flush at front.
Mount installation tool on threaded hole and install
thread insert without applying pressure to spindle.
Note
Insert thread insert 1/2 to 1 1/2 gears deeper than
threaded bore surface.
Use bolt shearer to remove driver journal to M12. In
event of threaded inserts over M12. move driver journal
up and down with pointed pliers and remove.
Group 00
Subgroup 0901
Page 3