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2. Mandrel replacement, nosepiece replacement and mandrel protrusion length
adjustment
Use the designated parts to match the Pop Nut you will be using. (See p.5 table
2-2) Replace any parts that become worn or damaged.
(1) Mandrel replacement
《Procedure》
① Detach the coupler to stop the supply of compressed air.
② Use a 23mm spanner to unscrew and remove the nose housing.(See Figure 7-2)
③ Push the lock pin holder in with your finger while you turn the mandrel to the left
to remove it for replacement.
Nose housing
④ Push the lock pin holder in with your finger while you screw the new mandrel into
the spin-pull head until it stops. Release the lock pin holder so that it returns to its
original position.
If the lock pin holder does not return to its original position, turn the mandrel
slightly to the left.
The lock pin holder will return to its original position. (See figure 7-3)
(2) Nose piece replacement, adjustment of the mandrel
protrusion length Procedure
① Detach the coupler to stop the supply of compressed
air.
② Use a 23mm and a 19mm spanner to loosen the lock
nut and remove the nose piece and the lock nut from
the nose housing. Change the nose piece (Figure 7-4).
One thread
Figure 7-5
Figure 7-2
Spin pull head case
Mandrel
Figure 7-6
15
Lock pin holder
Figure 7-3
Lock nut
Nose piece
Figure 7-4
One pitch
PNT800
Push
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