Item
Method
Motor Brushes
Measure,
Cushion Rubber
Contactor
Contacts
Pendant
Function
(switches)
Pendant (wiring)
Pendant
(housing)
Pendant (labels)
Pendant (cord)
Electrical
Continuity
Warning Labels
Hoist Capacity
Label
Capacity (Ton)
Table 8-1 Hoist Inspection Methods and Criteria
Criteria
The "B" dimension should not be less than minimum value
Visual
Visual
Should be free of significant deformation.
Visual
Contacts should be free of significant pitting or deterioration.
Depressing and releasing push buttons should make and
break contacts in switch contact block and result in cor-
responding electrical continuity or open circuit. Push buttons
should be interlocked either mechanically or electrically to
prevent simultaneous energization of circuits for opposing
Visual
Wire connections to switches in pendant should not be loose
Visual
Labels denoting functions should be legible.
Visual
Pendant housing should be free of cracks and mating sur-
faces of parts should seal without gaps.
Visual,
Surface of cord should be free from nicks, gouges and abra-
sions. Each conductor in cord should have I 00% electrical
continuity even when cord is flexed back and forth. Pendant
cord strain relief cable should absorb the entire load associ-
ated with forces applied to the pendant.
Visual
Warning labels should be affixed to the hoist and they should
Visual
The label that indicates the capacity of the hoist should be
legible and securely attached to the hoist.
Table 8-2 Motor Brush Dimensions
1/2 to 2
listed in Table 8-2.
motions. Example: Up and Down
or damaged.
be legible.
EN pg.13
Action
Repair or replace as
Tighten or repair
"B" Dimension (inches)
Discard
.315 in.
Replace
Replace
Replace
necessary
Replace
Replace
Replace
Replace
Replace