Echo CH123DH Owners Manual v.2 - Manual (Page 25)

12 INCH CHIPPER 21
ENGLISH
SERVICE & MAINTENANCE
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.
WARNING
5.13 REPLACING THE BEARINGS CONT.
Reinstall the rotor in the housing. 22.
Install the 4-5/8” bolts in the rear bearing and lift all the way up in the slots. Tighten and torque to 175 ft-lbs (238 23.
Nm).
Replace and install the front bearing. 24.
Replace the front snap ring. 25.
Install the 4-5/8” bolts in the front bearing. Make sure the rotor is installed squarely and that you have a blade clearance 26.
of 3/16” to your closest blade and 3/8” to your farthest from the chop block. Shim if necessary and readjust. Torque
bearing bolts to 175 ft-lbs. (238 Nm) before moving on and torque bearing set screws to 200 in-lbs (22 Nm).
Check anvil gap and adjust if necessary to 3/16” to your closest blade and not greater than 3/8” from your farthest. 27.
See Sec. 5.6.
Reinstall proximity bracket and sensor. The gap between the sensor and the bracket should be 1/32”-1/16”. Make 28.
sure it reads off of both tabs and that it is passing in the center of the sensor.
Reinstall the pulley and sheave and align with lower bushing and sheave. Tighten the set screw in a clockwise 29.
direction until tight and torque to 60 ft-lbs (80 Nm).
Reinstall the belt. 30.
Reinstall the idler and check for proper tension on the belt. 31.
Close the rotor cover and secure with ½” hardware. 32.
Bearings come pre-greased. 33.
Run and test. 34.
If replacing the rotor hub (shaft), assemble and torque as follows: Assemble rotor hub and filler blade to rotor disk. 35.
The filler blade is threaded, insert two 5/8 x 3-¾” hex blots through the hub, disk, filler blade spacer and into the