Mec Speed Level 2684 ES, Руководство по обслуживанию и запасным частям

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“3084 Speed Level™ Sigma Lift” Service and Parts Manual November 2009
Page 2-16
C
O N T I N U I T Y
C
H E C K S
T
OGGLE
S
WITCH
– 1-P
OLE
3-P
OSITION
Figure 2-16:
Toggle Switch, 1-Pole 3-Position
• Disconnect wires.
• Connect first probe of ohm meter to
common terminal.
• Connect second probe of ohm meter to top terminal.
• With the toggle UP or MIDDLE there should be a low
resistance.
• Move second probe to bottom terminal.
• With the toggle DOWN or MIDDLE there should be a low
resistance.
• Connect first probe of ohm meter to top terminal.
• Connect second probe of ohm meter to bottom terminal.
• With toggle in ANY POSITION there should be no read-
ing.
T
OGGLE
M
OMENTARY
S
WITCH
Figure 2-17:
Toggle Switch, Momentary
• Disconnect wires.
• Connect first probe of ohm meter to
common terminal.
Test top position
• Connect second probe to top normally
open terminal.
• With the toggle in the neutral (open)
position there should be no reading.
• With the toggle UP (closed) there
should be a low resistance.
• With the toggle DOWN (closed) there
should be no reading.
Test bottom position
• Move second probe to bottom normally
open terminal.
• With the toggle in the neutral (open)
position there should be no reading.
• With the toggle DOWN (closed) there
should be a low resistance.
• With the toggle UP (closed) there
should be no reading.
• Repeat for both rows of two-row
switch.
Commo n
Top
Bottom
Commo n
Top
Bottom
ART_3152
Commo n
No r mally Ope n
No r mally Ope n
Commo n
No r mally Ope n
No r mally Ope n
ART_2563
Commo n
No r mally Ope n
No r mally Ope n
No r mally Ope n
No r mally Ope n
Commo n
No r mally Ope n
No r mally Ope n
Commo n
ART_2564