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Page Title:
TSUM - 3-023 Emergency Stop Failure |
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 TM 5-5420-279-23
Em ergency Stop
will not reset
Is
No
CB3 set in
Set CB3 breaker
Operator Interface
Cabinet?
Yes
Is
No
Connect Tail
Tail Lift Pendant
Lift Pendant
connected?
Yes
Reset E-Stop buttons
Are all
No
(twist and pull)
E-Stop buttons in
& depress E-STOP RESET
the out position?
button
Yes
W ARNING
PERSONAL INJURY OR
DEATH. IT IS POTENTIALLY
VERY DANGEROUS TO
Operate
Dam aged Safety Relay -
OPERATE THE E-STOP
No
E-Stop override.
Reset E-STOP
replace E-Stop relay.
OVERRIDE. DOING SO W ILL
Note: W ARNING
override
See m aintenance procedure
DEFEAT ALL E-STOP
Is hydraulic power
5-099
FUNCTIONALITY.
restored?
IT IS ONLY TO BE USED AS
A TEMPORARY MEASURE
TO ASSESS THE LEVEL OF
Yes
DAM AGE TO THE SYSTEM .
Reset E-STOP
override
Check
Replace harness
Yes
all harnesses -
or associated com ponent.
is there any visible
See maintenance procedure
NOTE
dam age?
5-139
Remem ber that
connection of the Chest
No
Pack introduces more
E-Stop circuitry.
Are
No
Secure loose connections
all connectors securely
fastened?
Yes
Carry out
continuity checks
Internal fault in
on both E-Stop channels
Safety Relay - replace
for short or open circuits, or
Yes
No
Replace appropriate harness
E-Stop relay.
crossed conductors. Are there any
or junction box
See m aintenance
anomalies? See W iring Diagram
procedure 5-099
G406-8604 Sheet 11 at
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