Miller Electric and SS-75D16, SS-75S16 manual Maintenance and Troubleshooting, Routine Maintenance

SECTION 6 − MAINTENANCE AND TROUBLESHOOTING

6-1. Routine Maintenance

Y Disconnect power before maintaining.

	n = Check	~ = Clean	l = Replace		Reference
Every					Section 4-5,
3					4-6
Months
	l Unreadable Labels	~ Weld Terminals		nl Weld Cable	nl Motor Brush
					Section 4-5,
					4-6
	n 14-Pin Cord	n Gas Hose and Fittings		n Gun Cable
Every					Section
6					4-11
Months	Or
	~ Inside Unit	~ Drive Rolls
6-2. Brush Inspection And Replacement

Y Do not disassemble motor field mag- nets or injury/equipment damage may occur.

1 Motor

2 Brush Cap Remove brush cap.

3 Brush

Replace brush if it becomes chipped or bro- ken, or if less than 1/4 in. (6.4 mm) of brush material remains. Do not include spring boss as part of the 1/4 in. measurement.

Install brush so that curved surface on end of brush matches curve of motor, and secure with cap.

1

3

2

Tools Needed:

137 390-B

OM-230 298 Page 23