Table 5-3Hoist Inspection Methods and Criteria (continued)

Item

Method

Criteria

Action

 

 

 

 

Housing and

Visual, Auditory,

Hoist components including load blocks,

Replace

Mechanical

Vibration,

suspension housing, chain attachments, clevises,

 

Components

Function

yokes, suspension bolts, shafts, gears, bearings,

 

 

 

pins and rollers should be free of cracks,

 

 

 

distortion, significant wear and corrosion.

 

 

 

Evidence of same can be detected visually or via

 

 

 

detection of unusual sounds or vibration during

 

 

 

operation.

 

Chain Separator

Visual, Measure

The Chain Guide/Side Plate should be free of

Replace

 

 

cracks, distortion, significant wear and corrosion.

 

 

 

The “L” and "W" dimension should not be greater

 

 

 

than maximum value listed in Table 5-5.

 

Motor Brake

Measure, Visual

Motor brake dimension should be within the

Replace

 

 

allowable limits of Table 5-4. See Section 7.2 for

 

 

 

gaining access to motor brake. Braking surfaces

 

 

 

should be clean, free of grease/oil and should not

 

 

 

be glazed.

 

 

 

 

 

Load Sheave

Visual

Pockets of Load Sheave should be free of

Replace.

 

 

significant wear. See Section 7.5 to gain visual

 

 

 

access to the load sheave.

 

Pendant Control

Visual,

Depressing and releasing pendant control levers

Repair or replace

Levers

Function

should cause hoist to operate.

as necessary.

 

 

 

 

Pendant - Housing

Visual

Pendant housing should be free of cracks and

Replace.

 

 

mating surfaces of parts should seal without gaps.

 

 

 

 

 

Pendant - Tubing

Visual, auditory

Tubing to pendant control switches should not be

Repair or replace

 

 

loose or be leaking air.

as necessary.

 

 

 

 

Pendant - Labels

Visual

Labels denoting functions should be legible.

Replace.

 

 

 

 

Warning Labels

Visual

Warning Labels should be affixed to the hoist (see

Replace

 

 

Section 1.2) and they should be legible.

 

 

 

 

 

Hoist Capacity Label

Visual

The label that indicates the capacity of the hoist

Replace.

 

 

should be legible and securely attached to the

 

 

 

hoist.

 

 

 

 

 

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Harrington Hoists TCR owner manual Suspension housing, chain attachments, clevises