Harrington Hoists TCR owner manual See Sections

Models: TCR

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

Item

Method

Criteria

Action

 

 

 

 

Hooks - Bent Shank

Visual

Shank and neck portions of hook should be free

Replace.

or Neck

 

of deformations

 

Hooks - Yoke

Visual

Should be free of significant rust, weld splatter,

Clean/Lubricate, or

Assembly

 

nicks, gouges. Holes should not be elongated,

replace as required.

 

 

fasteners should not be loose, and there should

 

 

 

be no gap between mating parts.

 

Hooks - Swivel

Visual, Function

Bearing parts and surfaces should not show

Clean/lubricate, or

Bearing

 

significant wear, and should be free of dirt, grime

replace as required.

 

 

and deformations. Hook should rotate freely with

 

 

 

no roughness.

 

Hooks - Idle Sheave

Visual, Function

Pockets of Idle Sheave should be free of

Clean/lubricate, or

and Axle (Bottom

 

significant wear. Idle Sheave surfaces should be

replace as required.

Hook on Double Fall

 

free of nicks, gouges, dirt and grime. Bearing

 

Hoist)

 

parts and surfaces of Idle Sheave and Axle

 

 

 

should not show significant wear. Idle Sheave

 

 

 

should rotate freely with no roughness or

 

 

 

significant free play.

 

 

 

 

 

Hooks - Hook

Visual, Function

Latch should not be deformed. Attachment of

Replace.

Latches

 

latch to hook should not be loose. Latch spring

 

 

 

should not be missing and should not be weak.

 

 

 

Latch movement should not be stiff - when

 

 

 

depressed and released latch should snap

 

 

 

smartly to its closed position.

 

 

 

 

 

Load Chain -

Visual

Should be free of rust, nicks, gouges, dents, and

Replace.

Surface Condition

 

weld splatter. Links should not be deformed, and

 

 

 

should not show signs of abrasion. Surfaces

 

 

 

where links bear on one another should be free of

 

 

 

significant wear.

 

 

 

 

 

Load Chain - Pitch

Measure

The “L” dimension should not be greater than

Replace, inspect

 

 

maximum value listed in Table 5-7.

Load Sheave (and

 

 

 

Idle Sheave for

 

 

 

double fall hoist).

 

 

 

 

Load Chain -

Visual, Auditory

Entire surface of each chain link should be coated

Clean/lubricate

Lubrication

 

with lubricant and should be free of dirt and grime.

(see Sections 6.0).

 

 

Chain should not emit cracking noise when

 

 

 

hoisting a load.

 

 

 

 

 

Load Chain -

Visual

Chain should be reeved properly through Load

Reeve/Install chain

Reeving

 

Sheave (and Idle Sheave for double fall hoist) -

properly.

 

 

refer to Section 3.11. Chain, limit locks and

 

 

 

stoppers should be installed properly - refer to

 

 

 

Section 7.3.2.

 

Bolts, Nuts and

Visual, Check

Bolts, nuts and rivets should not be loose.

Tighten or replace

Rivets

with Proper Tool

 

as required.

 

 

 

 

27

Page 27
Image 27
Harrington Hoists TCR owner manual See Sections