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 2-15
C
O N T I N U I T Y
C
H E C K S
C
ONTINUITY
C
HECKS
Figure 2-13:
Selector Switch
S
ELECTOR
S
WITCH
– ON-OFF
• Disconnect wires.
• Connect first probe of ohm meter to
common terminal.
• Connect second probe to any normally open terminal.
• With switch OFF (open) there should be no reading.
• With the switch ON (closed) there should be a low
reading.
• Repeat for each normally open terminal.
T
OGGLE
S
WITCH
– ON-OFF
Figure 2-14:
Toggle Switch, ON-OFF
• Disconnect wires.
• Connect first probe of ohm meter to
common terminal.
• Connect second probe to normally open terminal.
• With the switch turned OFF there should be no reading.
• With the switch turned ON there should be a low resis-
tance.
T
OGGLE
S
WITCH
– 1-P
OLE
2-P
OSITION
Figure 2-15:
Toggle Switch, 1-Pole 2-Position
• Disconnect wires.
• Connect first probe of ohm meter to
common termi-
nal.
• Connect second probe to top normally open terminal.
• With toggle DOWN there should be no reading.
• With the toggle UP there should be a low resistance.
• Move second probe to
bottom normally open terminal.
• With toggle UP there should be no reading.
• With the toggle DOWN there should be a low resis-
tance.
Commo n
No r mally
Ope n
No r mally
Ope n
ART_3153
Commo n
No r mally Ope n
Not U s ed
Commo n
No r mally Ope n
Not U s ed
ART_2562
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