Lincoln Electric SAE-300 HE, Service Manual, Page: 76 / 84

LINCOLN ELECTRIC SAE-300® HE Service Manual
71
CHOKE REMOVAL AND REPLACEMENT PROCEDURE
Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized
repairs performed on this equipment may result in danger to the technician or machine operator and will
invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety
notes and precautions detailed throughout this manual. If for any reason you do not understand the test
procedures or are unable to perform the test/repairs safely, contact the Lincoln Electric Service Department
for electrical troubleshooting assistance before you proceed. Call 1-888-935-3877.
TEST DESCRIPTION
This procedure will aid the technician in the removal and replacement of the Choke.
MATERIALS NEEDED
1/2” Open-End Wrench
1/2” Socket
9/16” Open-End Wrench
9/16” Socket
Wiring Diagram
REMOVAL PROCEDURE
1. Turn off the engine on the SAE-300 HE machine.
2. Remove the roof and side covers.
3. Remove the lower control panel to gain access to the choke leads.
4. Using a 1/2” open-end wrench and a 1/2”socket, remove the bolt, nut and lock washer securing
leads to the top choke terminal. Label and disconnect leads. See Figure F.29 . See Wiring Diagram.
5. Using a 1/2” open-end wrench and a 1/2” socket, remove the bolt, nut and lock washer securing
leads to the bottom choke terminal. Label and disconnect leads. See Figure F.29 . See Wiring
Diagram.
6. Using a 9/16” open-end wrench and a 9/16” socket, remove the bolt, nut and lock washer securing
the choke to the fuel rail.
7. Using a 9/16” open-end wrench and a 9/16” socket, remove the two bolts, flat washers and lock
washers securing the choke to the front panel.
8. The choke can now be removed and replaced.
REPLACEMENT PROCEDURE
1. Carefully position the new choke into the machine.
2. Using a 9/16” open-end wrench and a 9/16” socket, attach the two bolts, flat washers and lock
washers securing the choke to the front panel.
3. Using a 9/16” open-end wrench and a 9/16” socket, attach the bolt, nut and lock washer securing
the choke to the fuel rail.