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Page 29 of 53
Before undertaking any type of work on the machine, use a feeler
gauge to check the distance between the bed knives and the rotor
knives (the knife gap).
To access the cutting chamber, follow the same procedure and
observe the precautionary steps given in Section 4-4-1. Before
proceeding to the checks, it is advisable to block the rotor to avoid
any inadvertent rotation.
Once you have safely accessed the cutting chamber, check the
current distance between the bed knives and the rotor knives using
a feeler gauge. (See Figure 12.)
NOTE: The distance set by the manufacturer for normal
application is 0.006”-0.008” (0.15-0.20 mm). If the gap between
the bed knives and the rotor knives is found to be greater than that,
an adjustment must be made. (See Section 6-4: Inspection and
Adjustment of Knives.)
Once you have checked the knife gap, close the hopper, secure it
with the appropriate swing bolts, reinsert the bin, and close the
front panel.
Figure 12: Checking the Knife Gap