3-15
MAINTENANCE
Service Manual
Check # 4
All Power Supplies
Start
Measure resistance between the power
supply chassis and the work cable clamp
(Fig 4-1).
Meter indicates
an open ?
To
page 3-16
Check # 5
There is an internal short in the power supply. Visually
and with a meter, inspect the unit for pinched, broken,
and loose wires and wires with damaged insulation
contacting the chassis. Also check for loose hardware
such as screws, nuts and bolts.
No
Problem found
and repaired ?
Yes
Continue checking out unit until
problem is found. Then repeat
check.
No
Yes
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