Lincoln Electric Classic 300 MP Service Manual page 42

LINCOLN ELECTRIC
TEST POINT
TERMINAL 1 (90-MIN)
TERMINAL 2 (130-180)
TERMINAL 3 (190-120)
TERMINAL 4 (240-160)
TERMINAL 5 (220-MAX)
TERMINAL 1 (90-MIN)
TERMINAL 2 (130-180)
TERMINAL 3 (190-120)
TERMINAL 4 (240-160)
TERMINAL 5 (220-MAX)
ANY TERMINAL 1-5
Table F. 4 – Selector switch resistance tests
TEST POINT
NEG TERMINAL
NEG TERMINAL
NEG TERMINAL
NEG TERMINAL
NEG TERMINAL
NEG TERMINAL
NEG TERMINAL
NEG TERMINAL
NEG TERMINAL
NEG TERMINAL
ANY OTHER TERMINAL 1-
5
Classic® 300 MP Service Manual
EXPECTED READING
LESS THAN 1 OHM
(LOW RESISTANCE)
LESS THAN 1 OHM
(LOW RESISTANCE)
LESS THAN 1 OHM
(LOW RESISTANCE)
LESS THAN 1 OHM
(LOW RESISTANCE)
LESS THAN 1 OHM
(LOW RESISTANCE)
AT LEAST 500K OHMS
(HIGH RESISTANCE)
AT LEAST 500K OHMS
(HIGH RESISTANCE)
AT LEAST 500K OHMS
(HIGH RESISTANCE)
AT LEAST 500K OHMS
(HIGH RESISTANCE)
AT LEAST 500K OHMS
(HIGH RESISTANCE)
AT LEAST 500K OHMS
(HIGH RESISTANCE)
SELECTOR SWITCH
POSITION
SET TO 90-MIN POSITION
SET TO 130-180
POSITION
SET TO 190-120
POSITION
SET TO 240-160
POSITION
SET TO 220-MAX
POSITION
SET TO ANY POSITION
EXCEPT 90-MIN
POSITION
SET TO ANY POSITION
EXCEPT 130-180
POSITION
SET TO ANY POSITION
EXCEPT 190-120
POSITION
SET TO ANY POSITION
EXCEPT 240-160
POSITION
SET TO ANY POSITION
EXCEPT 220-MAX
POSITION
ANY POSITION
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