Echo CH450H Instruction v.3 User Manual

Instructions, Warning

Chipper Blade Replacement Kit

The Chipper Blade Kit contains new parts for replacing

worn or damaged chipper blades. Follow the steps below

to replace the chipping blades.

Instructions

REPLACING THE CHIPPING BLADES

SUBJECT: CHIPPER BladE
REPlaCEmEnT KIT

FITS MODELS: all 4.5", 6", 8" & 9"
CHIPPERs

4.5” Chippers CH4400, CH45342, CH45390,

CH45540:

Remove the two 3/8 x 5-1/2" bolts securing the deflector

or discharge tube to the chipper housing and loosen

the 5/16" flange nuts on the weldment bolts.
Remove the deflector or discharge tube.

Rotate the chipper disk until a hole on the chipper

paddle is aligned with the hole on the chipper

housing.
Install a punch or screwdriver into the holes to lock the

disk in place. One of the bolts from the chipper deflector

can also be used to lock the disk.
Remove the two bolts and washers that hold the blade

to the disk.
Place a new blade on the disk and attach using two

(2) m16 bolts and 5/8" GR8 washers.
Torque the bolts to 120 ft-lbs (163 nm).

Repeat for the remaining blade(s).

measure the clearance between all chipping blades

and anvil from inside the chipper housing. all blades

should be between 1/16" and 1/8" from the anvil. adjust

if necessary.
Replace the deflector or discharge tube and resume

10.

chipping.

6", 8” and 9” Chippers: CH6730H, CH6614,

CH6614H, CH6670H, CH611DH, CH6993H,

CH8540, CH9540H, CH8670H, CH8720iH

CH8993H, CH911DH, CH922DH, CH800H.

Pn 76294-00

Rev. 010511

Before inspecting or servicing any part of this machine,

shut off power source, disconnect spark plug wire from

spark plug and make sure all moving parts have come

to a complete stop.

WARNING

The chipping blades are sharp! Use care when working

on the machine to avoid injury.

nOTE: Rotate the discharge chute in the direction that the

cover opens.

Remove the two 3/8” retaining bolts holding the access

cover to the main frame assembly. Tilt access cover

open to allow access to the rotor.
Rotate the rotor so that the bolts holding a chipping

blade are accessible.
Install the disk lock to hold the disk in place, if

applicable.
Remove the two bolts and washers that hold the blade

to the disk. Remove old blades and discard.
Place a new blade on the disk and attach using two

(2) m16 bolts and 5/8" GR8 washers.
Torque the bolts to 120 ft-lbs (163 nm).

Repeat for the remaining blade(s).

measure the clearance between all chipping blades

and anvil from inside the chipper housing. all blades

should be between 1/16" and 1/8" from the anvil. adjust

if necessary.
secure the access cover to the main frame and resume

chipping.

PART #

DESCRIPTION

QTY

15770-00

WasHER, 5/8 saE HaRd

15833-00

BOlT, m16 X 2.0 X 30 HEX Hd W/

PaTCH

76112-00

BladE, BIG CHIPPER

76294-00

InsTRUCTIOns, CHIPPER BladE

KIT # 76293-00 - 6", 8” and 9” BLADE KIT (CH6730H,

CH6614, CH6614H, CH6670H, CH611DH, CH6993H,

CH8540, CH9540H, CH8670H, CH8720iH, CH8993H,

CH911DH, CH922DH, CH800H)