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Harrington Hoists and Cranes (N)ER Hoist - ((N)ER2) User Manual

Page 34

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34

Load Sheave

Visual

Pockets of Load Sheave should be free of
significant wear. Refer to Table 5-8 for Load
Sheave wear dimensions.

Replace.

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 - 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 - 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.

Nameplates

Visual

The nameplates that indicate the hoist model,
speed and motor data should be legible and
securely attached to the hoist.

Replace.