Harrington Hoists Chainsaw Sharpener TCR User Manual download pdf (Page 26)

5.5 Occasionally Used Hoists

5.5.1 Hoists that are used infrequently shall be inspected as follows prior to placing in service:

 Hoist Idle More Than 1 Month, Less Than 1 Year: Inspect per FREQUENT Inspection criteria of

Section 5.3 above.

 Hoist Idle More Than 1 Year: Inspect per PERIODIC Inspection criteria of Section 5.4 above.

5.6 Inspection Records

5.6.1 Dated inspection reports and records should be maintained at time intervals corresponding to those

that apply for the hoist’s PERIODIC interval per Section 5.2.4. These records should be stored where

they are available to personnel involved with the inspection, maintenance, or operation of the hoist.

5.6.2 A long range chain inspection program should be established and should include records of

examination of chains removed from service so a relationship can be established between visual

observation and actual condition of the chain.

5.7 Inspection Methods and Criteria

5.7.1 This section covers the inspection of specific items. The list of items in this section is based on those

listed in ANSI/ASME B30.16 for the Frequent and Periodic Inspection. In accordance with ANSI/ASME

B30.16, these inspections are not intended to involve disassembly of the hoist. Rather, disassembly for

further inspection would be required if frequent or periodic inspection results so indicate. Such

disassembly and further inspection should only be performed by a qualified person trained in the

disassembly and re-assembly of the hoist.

Table 5-3 Hoist Inspection Methods and Criteria

Item Method Criteria Action

Functional operating

mechanisms.

Visual, Auditory Mechanisms should be properly adjusted and

should not produce unusual sounds when

operated.

Repair or replace

as required.

Limit Switch Function Proper operation. Actuation of limit switch should

stop hoist.

Repair or replace

as required.

Chain Lever/Limit

Lever Assembly

Visual, Function Lever should not be bent or significantly worn and

should be able to move freely.

Replace.

Braking System Function Braking distance should not exceed

approximately five chain links.

Repair or replace

as required.

Hooks - Surface

Condition

Visual Should be free of significant rust, weld splatter,

deep nicks, or gouges.

Replace.

Hooks - Fretting

wear

Measure The “u” dimension should not be less than

minimum value listed in Table 5-6.

Replace.

Hooks - Stretch Measure The “K” dimension should not exceed the

maximum value for replacement from Table 5-6

(See Section 3.11).

Replace.

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Harrington Hoists Chainsaw Sharpener TCR User Manual Page 26

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