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0 inspection, Notice – Harrington Hoists and Cranes ER Large Capaciy Hoist - (ER1) User Manual

Page 13

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13

5.0 Inspection

NOTICE

The information listed in this section is intended to supplement Section 5.7 of the EROM.

Table 5-3

Hoist Inspection Methods and Criteria

Use this table in conjunction with Table 5-3 of the EROM. The entries in this table replace in their entirety

the corresponding entries in Table 5-3 of the EROM.

Item

Method

Criteria

Action

Hooks - Fretting
wear

Measure

The "u" and "t" dimensions should not be less
than discard value listed in

Table 5-4

Replace.

Hooks - Stretch

Measure

The "k" dimension should not be greater than
1.15 times that measured and recorded at the
time of purchase (See

Section 3.6

). If recorded

"k" values are not available for hooks when new,
use nominal "k" values from

Table 5-4.

Replace.

Load Chain - Pitch
and Wire Diameter

Measure

The "P" dimension should not be greater than
maximum value listed in

Table 5-5.

The "d"

dimension should not be less than minimum value
listed in

Table 5-5.

Replace. Inspect
Load and Idle
Sheaves.

Load Chain –
Reeving and
Evening

Visual

Chain should be reeved properly through Load
and Idle Sheaves - refer to

Section 6.4

. Chain,

Chain Springs, Stoppers, and Chain Pin should
be installed properly - refer to

Section 3.2

. For

double body hoists, chain should be evenly
distributed – equal length of chain in each chain
container or equal lengths of chain on no-load
side of each hoist body.

Reeve/Install chain
properly.

Lower hook until
lower limit switch is
activated on both
hoist bodies.