Volvo B 21 - Scan-071002-0140

Group 21 Reconditioning engine
Th read repairs
Mandre'
113 JOO
ll JJOl
'6
A9
Fit thread insert in installation tool
Fit the thread insert in the tool with the tang facing
downwards.
Turn the crank clockwise
until the tang of the thread
insert engages the
slot in the crank.
Without pr • •• i ng , screw the thread insert into the man-
drai until the first thread of the insert is flush with the
opening
of the mandrel.
AIO
Install thread insert
Hold the tool vertically above the centre of the hole.
Without pr.s sing, screw in tha thread insert until the
top thread
of the insert is at least 1/2 a thread below the
working surlace
(O.5 x pitch). The insert must not be
sc rewed in to the bottom otherwise it will not be possi-
ble
to break off the tango
An
Break off tang
M16 - M12 th r. ad .: use the tang breaker supplied with
the installation kil.
M14 and ca.rser thr •• ds: use a pair of flat nosed pliers
to break off the lang do wn wards_
Remove the ta ng fr
om the hole.