300AF
Page: 9 of 17
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09 CONT.
Step 8
Be sure to blow off knife pockets and wipe clean. Wipe down the
knives with suitable solvent. Place knife back in knife pocket
with the new edge exposed and snug down the bolts.
Step 9
Tap the knife with a brass hammer to ensure the knife is seated
properly (
Fig. 1
). Draw the knife bolts down evenly and torque
each bolt to
62 ft-lb
(
Fig. 2
). Check the gap between the dynamic
and stationary knives using a feeler gauge. The gap should be a
minimum of .002” and a maximum of .003” (
Fig 4
). See “Setting
the Knife Gap” section.
Gap Adjustments
10 Knife Gap
Function
This is the gap between the
with a gauge to the recommended tolerances below.
Step 1 Lockout/tag out power.
Step 2 Unbolt the guard and remove from machine.
Step 3
bolt holding the housing lid in place. Slide lid forward
and lift off to expose cutting chamber.
Step 4
Check the knife gap using a feeler gauge (
Fig. 4
). The gap
should be a minimum of .002” and a maximum of .003”.
Step 5
loosen the nuts holding the main
bearings to the housing. Do not totally remove tension on the
bearing bolts but leave snug. Using a brass rod and hammer or
brass hammer, strike the bearing mounting flanges to adjust the
gap (
Fig. 5
). After each strike, check the knife gap with a .002” or
.0025” feeler gauge. After desired gap is obtained, evenly
torque down nuts to
54 ft-lb.
Step 6
Once the bearing nuts have been fully torqued, check the knife
gap once more to verify no movement occurred. If movement
occurs, repeat the knife gap process to obtain the knife gap
tolerance of .002” to .003”.
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