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CN3600 Setup & Operation Manual Revision : 6/2020
35
3.8 MANDRELS
3.8.1 ROTATING MANDREL with expansion section
76.2 mm (
3”) rotating expanding mandrel is fitted with a nylon sleeve to keep knife
cutting edge off the metal part of the mandrel. Log roll is gripped by turning the “
SIDE
DOOR
EXP MANDREL
’ switch to expand the mandrel.
Fig. 3.8.1
3” Expanding Rotating Mandrel
3.8.1.1 Replacing Expanding Section of Mandrel:
1.
Lower mandrel support arm.
2.
Operate switch to open side door and release expanding section of mandrel.
3.
Remove spacer plate from face of chuck
4.
Support L/Hand end of mandrel and remove the four screws (A) fixing mandrel
flange to chuck.
5.
Remove mandrel and place on bench. Remove the three counter sunk screws
and washer at the back of the flange (B).
6.
Mark position of grub screws (C) in taper lock with marking pen for future
reference; loosen grub screws; remove ONE completely and position in hole (D)
at 90° to other grub screw and tighten to remove flange off the end of the mandrel
7.
Fit grub screw back into correct hole.
8.
Replace rubber expanding section and re assemble.
9.
Tighten counter sunk screws and then grub screw in taperlock
10. Fit mandrel into machine and tighten the four cap screws evenly..
REFER DVD FOR MORE DETAIL ON MANDREL MAINTENANCE
A
C
B
D