35
Table 5-3
Trolley Inspection Methods and Criteria
Item
Method
Criteria
Action
Pendant - Switches
Function
Depressing and releasing push buttons should
make and break contacts in switch contact block
and result in corresponding electrical continuity or
open circuit. Push-buttons should be interlocked
either mechanically or electrically to prevent
simultaneous energization of circuits for opposing
motions (e.g., forward and reverse).
Repair or replace
as necessary.
Pendant - Housing
Visual
Pendant housing should be free of cracks and
mating surfaces of parts should seal without gaps.
Replace.
Pendant - Wiring
Visual
Wire connections to switches in pendant should
not be loose or damaged.
Tighten or repair
Pendant And Power
Cords
Visual, Electrical
Continuity
Surface of cord should be free from nicks, gouges,
and abrasions. Each conductor in cord should
have 100% electrical continuity even when cord is
flexed back-and-forth. Pendant Cord Strain Relief
Cable should absorb all the load associated with
forces applied to the pendant.
Replace.
Electrical Plugs,
Sockets and Fittings
Visual
Electrical Plugs, Sockets and Fittings should not
be cracked or damaged.
Repair or replace
as necessary.
Cable Hangers
Visual
Cable Hangers should not be damaged or
significantly worn. Movement should be smooth
and should not cause the Power Supply Cable to
twist or kink.
Repair or replace
as necessary.
Pendant - Labels
Visual
Labels denoting functions should be legible.
Replace.
Warning Labels
Visual
Warning Labels should be affixed to the pendant
cord (see
Section 1.2
) and they should be legible.
Replace.
Trolley Capacity
Label
Visual
The label that indicates the capacity of the trolley
should be legible and securely attached to the
trolley.
Replace.
Nameplates
Visual
The nameplates that indicate the trolley model,
speed and motor data should be legible and
securely attached to the trolley.
Replace
DPC – Heat Sink
Visual
The heat sink with the DPC should not be bent. Replace.
DPC board –
voltage terminals
Visual
Spade terminals should be securely connected
to the proper voltage terminal on the DPC
board.
Secure terminals.
Summary of Contents for SMR2Q Series
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Page 46: ...46 9 1 Electric Parts Figure 9 1 1 Electric Parts...
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Page 50: ...50 9 3 Side Plates and Suspension Parts Figure 9 3 1 Side Plates and Suspension Parts...
Page 52: ...52 9 4 Motor Parts Figure 9 4 1 Motor Parts...
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