11/09
CMT 130 Book Trimmer
4-4
Knife
Figure 4-7. Knife Bolt Locations
6. Place the knife lifter on top of the knife
bar and align each lifter handle with the
holes from which the two knife bolts
were removed in the previous step.
Turn the handles clockwise until the
lifter is securely fastened to the knife
bar as in Figure 4-7.
7. Use the T-handle wrench to remove the
remaining (5) knife bolts. Save the
bolts with the two previously removed.
WARNING
Make certain to have a scabbard on the cart, prepared
to receive a knife. The screws should be removed from
the scabbard. The protecting edge of the scabbard
should be facing the person changing the knife when
he is placing the knife in it. Make sure the cart is
nearby. Do not carry the knife across obstructed or
slippery floors. Warn people nearby that a knife is be-
ing removed.
8. Slowly turn the knife lifter handles coun-
terclockwise only until the knife is re-
leased from the machine. DO NOT turn
the handles any more than what is re-
quired to free the knife.
9. When the knife is free, move it down
and clear of the knife bar.
10. Hold the knife lifter with knife at a safe
distance from the body. Other people
should not be nearby. Carry the lifter to
the cart containing the prepared scab-
bard.
11. Place the knife lifter with knife into the
scabbard such that the edge of the
knife is in the scabbard slot.
12. Carefully turn the knife lifter handles
counterclockwise and disconnect the
lifter from the knife while the knife-edge
remains in the scabbard slot.
13. Align the two knife-bolt holes with the
holes in the scabbard such that no por-
tion of the knife-edge remains exposed.
14. Place a scabbard screw into each hole
and turn them clockwise to tighten.
15. Use a wrench to secure the knife to its
scabbard.
16. Set the knife aside.
With the knife removed, the replacement knife
may be installed.
WARNING
Changing knives can be very dangerous unless safety
precautions are observed and extreme care is taken
when handling knives. Keep handling of unprotected
knives to an absolute minimum. Have the scabbard
nearby and insert knife immediately. Warn people of
any unprotected knife.
WARNING
Knife changing is a ONE PERSON OPERATION! More
than one person changing a knife creates safety haz-
ards.
WARNING
Even used knives are extremely sharp! Use extreme
care when handling new/re-ground knives and used
knives.
17. Make sure main power is still turned off
(
O
)
at the front of the machine and is
locked out at the main power discon-
nect switch as described in section 1.5
Power Lockout Procedure on page 1-4.
Make sure all the waste chutes are still
removed from the machine.
18.
Turn the knife depth adjustment
handle clockwise until it stops
. The
adjustment handle is located at the rear
left corner of the machine.
19. Place a scabbard containing a re-
placement knife on the cart. Move the
cart as close as possible to where the
knife is to be installed.
20. After the cart is located, make sure the
scabbard containing the replacement
knife has its protected edge facing the
installer. Have the knife lifter nearby.
21. Unwrap and clean the knife if neces-
sary.
22. Carefully remove the two screws that
fasten the knife to its scabbard.
23. Place the knife lifter on the knife and
align the left handle with the second
hole from the left end of the knife.
24. Align the right handle with the second
hole from the right end of the knife.
25. Turn the lifter handles clockwise until
the ends of the handles touch the scab-
bard under the knife.