Echo 72928 Instruction v.4

Electric Brake Installation Instructions (Kit PN 72730)

1. Remove all parts from shipping box, inspect for damage or missing components.

2. Remove both wheels from the Chipper.

3. Disassemble hub groups in the following order: Dust Cap, Cotter Pin, Spindle Nut, Washer, Outside Bearing and the Hub Assembly (includes Grease Seal, Inside Bearing and Hub). Refer to Figure 1 below for individual components.

Inside Bearing

Grease Seal

Figure 1

Washer

Hub

Outside Bearing

Spindle Nut

Cotter Pin

Dust Cap

4. Slide the Electric Brakes onto the Four Hole Plate and secure with brake mounting bolts and nuts. Note: A left and a right brake are included.

5. Install new or repack Inside Bearing removed in Step 3 into Hub w/Drum.

6. Install new Grease Seal into Hub w/Drum.

7. Install Hubs with Drum from Electric Brake Kit. Refer to Figure 2.

Electric Brake

Inside Bearing

Four Hole Plate

Grease Seal

Figure 2

Hub w/ Drum

8. Install new or repack the Outside Bearings removed in Step 3, Washers, Spindle Nuts, Cotter Pins and Dust Caps. Refer to Figure 3 for component placement.

Electric Brake

Four Hole Plate

Figure 3

Grease Seal

Inside Bearing

Hub w/ Drum

Outside Bearing

Washer

Spindle Nut

Cotter Pin

Dust Cap

9. Replace Chipper wheel.

Part #72729

091708

Brake Wiring Instructions

1. Connect the Butt Splice on the Ground Wire Harness to one lead of the Magnet Lead Assembly on each Electric Brake. Refer to Figure 4.

2. Attach the Ground Wire Harness Ring Terminal to a 3/8” stud on the Chipper Frame. Refer to Figure 4. Tie the Harness Wire to an axle beam or the frame.

Butt Splice to Magnet Lead Assembly on Brake

Ring Terminal to 3/8” Stud on Chipper Frame

Figure 4

3. Connect the Butt Splice on the Wire Harness to one lead of the Magnet Lead Assembly on each Electric Brake. Refer to Figure 5.

4. Plug the Wire Harness Four Pole Flat Connector into the existing Four Pole Flat Connector on the Chipper Lights. Refer to Figure 5.

5. Plug the Six Pole Plug on the Wire Harness into the Wire Connection of a Brake Controller equipped vehicle pulling the Chipper. Refer to Figure 5.

Butt Splice to Magnet Lead Assembly on Electric Brake

Six Pole Plug to Wire Harness on vehicle pulling Chipper

End View of Six Pole Plug

Butt Splice to Magnet Lead Assembly on Electric Brake

Four Pole Flat Connector to existing Four Pole Flat Connector on Chipper lights.

Figure 5