Knife Installation/Changing; Knife Removal - Challenge CHAMP 150 Operator's Manual

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7.0 Knife Installation/Changing

7.0 Knife Installation/Changing
observed and extreme care is taken when handling knives.
Make sure knife lifter is properly installed, see instructions following.
Keep handling of unprotected knives to an absolute minimum.
Clear off cutter table before removing knife.
Have scabbard on a stable surface very nearby and insert knife immediately.
Warn people of any unprotected knife.
Knife changing is a ONE PERSON OPERATION. Having more than one person change
knives is dangerous.
Knife Scabbard
Knife Lifter Asm
Knife changing equipment similar to what's shown in Figure 13 is included in the cutter tool kit. The
following instructions show how to remove and install a new or re-sharpened knife. Read through
these instructions AT LEAST ONCE before attempting to begin changing or installing any blades.

7.1 Knife Removal

1. Make sure the knife and clamp are in the up position. If they are not, switch the power ON and
press both cut buttons to send the knife and clamp up.
2. Switch the power OFF, then disconnect power and lock it out (Section 2.2 Power Lockout
Procedure).
3. Remove the knife bolts from the two slotted knife bar holes (Figure 14).
F.150CH-O-A
Changing knives can be very dangerous unless safety precautions are
Figure 13 – Knife Changing Equipment
Page 18
Cut Stick
Removal Tool
3/16" Hex Drive
L-Wrench
5/16" Hex Drive
T-Wrench
June 2023

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