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SERVICE & MAINTENANCE
BEFORE INSPECTINg OR SERVICINg ANy PART OF THIS MACHINE, SHuT OFF POWER SOuRCE,
5.5 INsTaLLING THE bLadEs
1.
Place a blade on the rotor and attach with two 5/16"
x 1-1/2" bolts. Torque to 25 Ft-lb. Repeat for the
second blade.
2.
Attach the shredder screen to the machine with one
5/16" x 7/8" bolt and nylock nut.
3.
lower the discharge door/shield into the normal
operating position. For "S" models, reinstall the
discharge assembly.
5.6 adjusTING THE cHIppER aNvIL
The chipping blades should clear the anvil by 1/16 inch to
1/8 inch. Check the clearance every 8 hours of operation
and adjust if needed.
To adjust the anvil:
1.
Remove the rotor shaft end cap and upper shield.
2.
loosen the set screws holding the lock collars on the
chute side and engine side bearings (Figure 5.2).
3.
use a punch and hammer to tap the lock collars in
the opposite direction of normal rotation. on the
chute side bearing, tap punch in a cW rotation.
on the engine side bearing, tap punch in a ccW
rotation
4.
using a rubber mallet tap the end of the rotor shaft to
obtain 1/16" to 1/8" clearance. Rotate the rotor and
check the clearance on all chipping blades.
5.
Once clearance has been set, the lock collars must
be replaced and retightened. using a punch and a
hammer, tap the lock collars in the direction of shaft
rotation (clockwise on the engine side bearing and
counterclockwise on the chute side bearing) and
set them with a hammer tap. Tighten the lock collar
set screws.
6.
loosen the set screws holding the belt pulley on the
rotor shaft. Move the pulley on the shaft so it is aligned
with the engine drive pulley. The pulley should be
moved the same amount the rotor was moved, only
in the opposite direction. Torque pulley set screw to
160 In-lbs.
7.
Insure the pulley drive key is completely seated under
the pulley and tighten the set screws.
8.
Check pulley alignment by laying a straightedge across
the pulley faces. Pulley faces should line up. If not,
repeat steps 6 and 7 until the pulley is lined up.
14
AND MAKE SuRE All MOVINg PARTS HAVE COME TO A COMPlETE STOP.
3 INCH CHIPPER/SHREDDER
WaRNING
5.7 REpLacING THE sHREddER KNIvEs
The serrated shredder knives are designed to offer long
life and can be reversed if they become dull. Ensure the
knives and spacers are properly installed to maintain rotor
balance.
Refer to the Parts Manual for a shredder knife kit. To
remove the knives or to install new shredder kit, proceed
as follows.
The serrated edge of the shredder knives should face
the same direction as the cutting edge of the chipper
blades. Never reuse the #10-24 nut and bolt. Never
reuse shafts or spacers if they show signs of wear or
abuse. Always install new parts when repairing.
1.
Remove the lower belt guard from under engine frame,
remove discharge door/shield and discharge screen.
2.
Remove the 10-24 x 1-3/8" bolts and nuts from knife
shafts.
3.
Align shaft with the 5/8" hole in rear of frame and the
small hole in front of frame by the chipper chute.
4.
using a small punch or rod, push the shaft out the 5/8"
hole in rear of frame.
5.
To assemble, insert shaft through the 5/8" hole in rear
of frame and slide knives and spacers in their proper
order onto the shaft. Install a new 10-24 x 1-3/8" bolt
and nut.
6.
Repeat steps 3 through 6 to assemble the other three
shafts.
7.
When completed, install the discharge screen,
discharge door.shield and torque all 3/8" bolts to 33
Ft-lbs. Test run machine.
Figure 5.2 - Lock Collar
ImpoRTaNT
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