Harrington Hoists and Cranes ED-DA Hoist - (ED3) - Manual (Page 29)

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Table 5-3 Hoist Inspection Methods and Criteria
Item Method Criteria Action
Cushion Rubber Visual Should be free of significant deformation. Replace.
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. up and down).
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 - Cord
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 the entire load
associated with forces applied to the pendant.
Replace.
Pendant - Labels Visual Labels denoting functions should be legible. Replace.
Warning Labels Visual
Warning Labels should be affixed to the hoist (see
Section 1.2) and they should be legible.
Replace.
Hoist Capacity Label Visual
The label that indicates the capacity of the hoist
should be legible and securely attached to the
hoist.
Replace.
Table 5-4 Motor Brush Dimensions
Capacity
(lbs)
“F” Dimension
inch (mm)
Discard
125 to 525 0.31(8.0)