Echo CH8670H Instruction v.7 - Manual

Instruction Sheet
Instructions
SUBJECT: 76775-00 FINE CHIP
DISK KIT – (
For replacement of
standard and fine chipper disks.)
MODELS: 8" aND 9" CHIPPErS;
CH8670H, CH8993H, CH8540,
CH9540H, CHF9540H, CH911DH,
CH922DH
PN 76772-00
Rev. 080510
WarNING
The chipping blades are sharp! Use care when
working on the machine to avoid injury.
aTTENTION
While the FINE CHIP DISK KIT is designed for use in all
8" and 9" Chipper models, it is purposely designed and
recommended for use on Hydraulic Feed models.
rEMOVaL OF DISK
Rotate discharge to the right side of the machine. 1.
Remove the two 3/8" retaining bolts holding the access
cover to the main frame assembly. Tilt the access cover
open to allow access to the rotor.
Remove upper and lower belt guards. 2.
Loosen the bolts holding the hydraulic pump bracket to 3.
the 3-point, slide the bracket up and remove hydraulic
pump belt.
Remove the idler tensioning springs, and remove the
4.
1/2" bolt holding the idler pulley in place.
Remove the drive belt.
5.
Taking the bolts out of the bushing and reinserting 6.
them into the empty holes, slowly tighten each bolt in
a rotating clockwise direction to remove the bushing
and sheave from the rotor shaft.
Loosen the set screw holding the spacer in place and 7.
remove. If rear bearing does not need to be removed
go to step 11.
Lift up the feed roller and insert the retaining pin to 8.
hold in place.
WarNING
Before inspecting or servicing any part of this machine,
shut off power source, remove key, disconnect the
battery cables and make sure all moving parts have
come to a complete stop.
BELT
SHEAVE
BEARING
LEFT BEARING
BRACKET
KEY, 3/8”
SPACER
BUSHING
WASHER
BELT
BOLT, 1/2”