Harrington Hoists and Cranes ED-DA Hoist - (ED3) - Manual (Page 19)

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3.9 Pre-operational Checks and Trial Operation
3.9.1

Confirm the adequacy of the rated capacity for all slings, chains, wire ropes and all
other lifting attachments before use. Inspect all load suspension members for damage prior to use and
replace or repair all damaged parts.
3.9.2

Verify and correct all chain irregularities prior to operating the hoist. For reference
see Section 3.2.
3.9.3 Measure and record the “k” dimension of all hooks on hoist. See Table 5-5 under Section 5,
“Inspection”.
3.9.4 Record the hoist's Code, Lot and Serial Number (from the name plate on the hoist; see Section 9) in
the space provided on the cover of this manual.
3.9.5 Ensure that the hoist is properly installed to either a fixed point, or trolley, whichever applies
3.9.6 If hoist is installed on a trolley, ensure that
 trolley is properly installed on the beam, and
 stops for the trolley are correctly positioned and securely installed on the beam.
3.9.7 Ensure that all nuts, bolts and split pins (cotter pins) are sufficiently fastened.
3.9.8 For S and DS Models - Pull down on the Pendant and ensure that the Cord Strain Relief Cable takes
the force, not the Pendant Cord.
3.9.9

Check supply voltage before everyday use. If the voltage varies more than 10% of
the rated value, electrical devices may not function normally.
3.9.10 Confirm proper operation.
 Before operating read and become familiar with Section 4 - Operation.
 Before operating ensure that the hoist (and trolley) meets the Inspection, Testing and Maintenance
requirements of ANSI/ASME B30.16.
 Before operating ensure that nothing will interfere with the full range of the hoist’s (and trolley’s)
operation.