Echo 74554 Owners Manual v.4 - Manual (Page 11)

7 5 INCH CHIpper
ASSEMBLY
2.4.1 CHeCK lengTH of PTo driveline
Attach chipper to tractor with three-point hitch. 1.
you must make sure that the PTO driveline supplied 2.
with your machine is the appropriate length for your
tractor. Adjust the chipper up and down and measure
the shortest and longest distance between the chipper
rotor shaft and tractor PTO.
The PTO driveline has a maximum extension of 24.49”
3.
with a 6.43” overlap. This driveline will fit most models.
however, if your longest distance is greater than 24.49”,
you will need to purchase a longer PTO driveline.
The PTO driveline has a minimum compression of
4.
18.1”. If your shortest distance is less than this, cut it
to fit as explained in section 2.4.2.
2.4.2 sHorTening a PTo driveline
Pull the driveline into two pieces. Connect one end to 5.
the tractor PTO and the other end to the chipper rotor
shaft. Line up the two halves parallel to each other.
Measure the distance from the end of one driveline tube
6.
to the bottom of the end shield of the other driveline
half (dimension A in Fig. 2.4). Measure and mark the
driveline tube 1-9/16” inward from dimension A.
Cut the shield tube in the marked position. 7.
Using the cut piece of shield tube as your measurement, 8.
place the cut piece against the end of the shaft. Mark
and cut the shaft.
Using the cut piece of shield tube as your measurement,
9.
mark and cut the tube on the other half of the driveline,
and then the shaft.
File both shaft ends, and slide the two halves back
10.
together.
2.4.3 ConneCTing THe PTo driveline
When you have confirmed that the driveline is the 11.
correct length for your tractor, connect the driveline
to the chipper rotor shaft using key stock and two set
screws in the owner’s kit.
Connect the opposite end of the PTO shaft to the
12.
tractor.
1. Slide the blower discharge tube onto the mounting
flange on the chipper frame (see Figure 2.3). half of the
mounting clamp is already attached to the tube.
2. Tighten the bolts to secure it.
3. Install the second half of the clamp to the tube and flange.
Secure it with three 3/8 x 1-1/4" bolts and nylock nuts.
4. grease the chute grease zerk to allow free rotation.
Rotate the tube 360 degrees and lock it in place with
the handle to make sure it is mounted correctly.
2.3 aTTaCH disCHarge Tube
2.4 ConneCT PTo driveline
Figure 2.3 Attach discharge tube
Figure 2.4 Shorten the driveline if it is too long
5/16 x 1”
BOLT
5/16 x 1-3/4”
BOLT
5/16”
NYLOCK
NUT
DEFLECTOR
KNOB
3/8 X 1-1/4”
HEX BOLT
3/8”
NYLOCK
NUT
imPorTanT
The tractor must have a • standard 540 rPm PTo shaft.
If the tractor has an electric PTO clutch, consult your •
dealer for correct operating procedures.