Harrington Hoists ER2, NER2 5.0 Inspection, Item, wear, Method, Action, Visual, Visual, Measure, Replace, Measure, Replace, Measure, Sheaves, Evening, Replace, Criteria, properly

5.0 Inspection

NOTICE The information listed in this section is intended to supplement Section 5.7 of the ER2OM.

Table 5-3Hoist Inspection Methods and Criteria

Use this table in conjunction with Table 5-3 of the ER2OM. The entries in this table replace in their entirety

the corresponding entries in Table 5-3 of the ER2OM.

Item Method Criteria Action

Hooks - Fretting	Measure	The "u" and "t" dimensions should not be less	Replace.
wear		than discard value listed in Table 5-4
Hooks - Stretch	Measure	The "k" dimension should not be greater than 1.15	Replace.
		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.
Load Chain - Pitch	Measure	The "P" dimension should not be greater than	Replace. Inspect
and Wire Diameter		maximum value listed in Table 5-5.The "d"	Load and Idle
		dimension should not be less than minimum value	Sheaves.
		listed in Table 5-5.
Load Chain –	Visual	Chain should be reeved properly through Load	Reeve/Install chain
Reeving and		and Idle Sheaves - refer to Section 6.4. Chain,	properly.
Evening		Chain Springs, Stoppers, and Chain Pin should be	Lower hook until
		installed properly - refer to Section 3.2. For
			lower limit switch is
		double body hoists, chain should be evenly
			activated on both
		distributed – equal length of chain in each chain
			hoist bodies.
		container or equal lengths of chain on no-load
		side of each hoist body.
		Chain springs should not be deformed or
Chain Springs	Visual	compressed. Refer to Table 5-6for Chain Spring	Replace.
		dimensions.

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