Echo 72928 Owners Manual v.4 - Manual (Page 18)

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Electrical Installation: PTO Models
1. Attach the chipper to the tractor. Connect the Red posi-
tive lead to a +12 Volt DC power source on the tractor.
2. Crimp a ring terminal onto the Black, Ground lead.
3. Drill a 3/16" hole in the PTO stand, close to the solenoid
valve, and and secure the ground wire with the #10
self-tapping screw provided.
4. Connect the two-pin connector to the top of the valve
coil.
5. Connect the socket connector to the LOFA control.
6. Secure wiring harness with cable ties as appropriate.
1. Crimp a ring terminal onto the Black, Ground lead.
2. Drill a 3/16" hole in the trailer, close to the solenoid
valve, and and secure the ground wire with the #10
self-tapping screw provided.
3. Connect the two-pin connector to the top of the valve
coil.
4. Crimp a spade connector onto the Red wire in the Feed
Sensor harness and connect to the Yellow wire from
the Kohler engine harness .
5. Connect the socket connector to the LOFA control.
6. Secure wiring harness with cable ties as appropriate.
Electrical Installation: Models 620 & 825
1. Crimp a ring terminal onto the Black, Ground lead.
2. Drill a 3/16" hole in the trailer, close to the solenoid
valve, and and secure the ground wire with the #10
self-tapping screw provided.
3. Connect the two-pin connector to the top of the valve
coil.
4. Crimp a ring terminal to the Red wire in the Feed Sen-
sor harness and attach to "B" terminal on the back of
the Murphy Switch.
5. Connect the socket connector to the LOFA control.
6. Secure wiring harness with cable ties as appropriate.
Electrical Installation: Models 928, 942, 950
PN Description Qty.
12813 Harness, Auto Feed 1
15602 Washer, #6 SAE Flat 4
15640 Nut, M4-0.7 ZP Hex 8
12674 LOFA Hydraulic Control 1
73242-12 Bracket, Proximity Sensor 1
12828 Connector, #10 Insulated Ring 2
12829 Connector, #10 Insulated Fork 3
Electronic Feed Parts List (PN 73244)
PN Description Qty.
12830 Connector, .25 Insulated Male 2
17320 Nyl Cable Tie 4
16967 Valve, Solenoid Cartridge 1
16968 Coil, Solenoid Valve 1
15282 Bolt, 5/16x1-1/2 GR5 Hex 1
15225 Screw, #10x3/4 Hex Tap 1