Echo 74520 Owners Manual v.1 - Manual (Page 12)

9
Your chipper may arrive totally or partially assembled. Perform the steps in this
section if your chipper arrives partially assembled.
1. Remove the chipper from the shipping crate.
2. Place the unit on a level surface before attempting to assemble it. See the
Torque Chart at the bottom of page 8 for minimum tightening torque of bolts
and screws.
3. Raise the trailer several inches from the ground with a hoist or jack. Ensure the
chipper is securely supported.
4. Position the fenders over the axle and secure with eight 3/8 x 1-1/4" bolts and
nuts.
5. Align the torsion axle with the mounting brackets on the sides of the chipper
trailer. Secure with four 1/2 x 1-1/4" bolts and nuts.
1. Hold one wheel to a hub and align the wheel lug holes with the hub lug holes
(see figure 1).
2. Thread the lug bolts into the holes and tighten to 75 ft. lbs. Follow a star pattern
when tightening lug bolts.
3. Repeat for the remaining wheel.
1. Insert the adjustable hitch into the hitch channel on the trailer bottom.
2. Insert a 3/8 x 3-1/2" bolt through the bolt hole in the adjustable hitch as shown
in figure 1.
3. Secure with a washer and nut.
4. Place the jack stand on the side of the hitch and secure with the snap pin.
1. Mount the chipper chute to the chipper housing using eight 3/8 x 1-1/2" bolts
andlocknuts (see figure 1).
2. Attach the chute extension tray to the extension chute hinge on the chipper. Use
four 3/8" x 1" bolts, washers, and nuts.
1. Attach the blower discharge tube to the mounting flange on the chipper frame
(see figure 1). Half of the mounting clamp is already attached to the tube.
2. Slide the tube into the flange and tighten the bolts to secure it.
3. Install the second half of the clamp to the tube and flange.
4. Grease the chute to allow free rotation. Rotate the tube 360 degrees and lock it
in place with the handle to make sure it is mounted correctly.
Engine Model Assembly
Do not operate
this unit without
the chipper chute
correctly installed.
Rotating cutting
blades can cause
serious personal
injury.
Attach the Trailer Axle
Attach the Trailer Wheels
Attach the Hitch
Attach the Chipper Chute
Attach the Blower Discharge Tube