![background image](http://html.mh-extra.com/html/echo/sc-2013/sc-2013_operators-manual_532441021.webp)
16
3 INCH CHIPPER/SHREDDER
SERVICE & MAINTENANCE
WARNING
BEFORE INSPECTING OR SERVICING ANY PART OF THIS MACHINE, SHUT OFF POWER SOURCE,
AND MAKE SURE ALL MOVING PARTS HAVE COME TO A COMPLETE STOP.
On the chute side bearing, tap punch in a CW rotation.
On the engine side bearing, tap punch in a CCW
rotation.
NOTE
1. Remove the lower belt guard from under engine
frame, remove discharge door/shield and discharge
screen.
2. Remove the 10-24 × 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 × 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.
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.
WARNING
The chipping blades should clear the anvil by 1/16" to no
greater than 1/8". Check the clearance every 8 hours of
RSHUDWLRQDQGDGMXVWLIQHHGHG
7RDGMXVWWKHDQYLO
1. Remove the rotor shaft end cap and lower belt shield.
2. Loosen the set screws (1) holding the lock collars
(2) on the chute side (Figure 5.6) and engine side
(Figure 5.7) bearings.
3. Use a punch and hammer in punch hole (3) to tap
the lock collars in the opposite direction of normal
rotation.
Figure 5.5, Examples of Damage to Knives
Do not attempt to sharpen shredder knives. Inspect the
knives often for signs of damage.
If a knife has any sign of cracking or is broken in any way,
it should be replaced immediately.
5.7 SHREDDER KNIVES MAINTENANCE
Figure 5.6, Chute Side Bearing
1
2
3
Figure 5.7, Engine Side Bearing
2
1
5.8 REMOVING THE SHREDDER KNIVES
5.9 ADJUSTING THE CHIPPER ANVIL
Summary of Contents for SC-2013
Page 2: ......
Page 33: ...28 3 INCH CHIPPER SHREDDER ...