Harrington Hoists and Cranes TNER Theater Hoist User Manual
Page 15
3.6
Preoperational Checks and Trial Operation
3.6.1
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.
3.6.2
Verify and correct all chain irregularities prior to operating the hoist. Refer to
Section 3.2.
3.6.3
Measure and record the “k” dimension of all hooks on hoist. See Table 5-4 under Section 5,
“Inspection”.
3.6.4
Record the hoist's Code, Lot and Serial Number (from the name plate on the hoist) in the space
provided on the cover of this manual.
3.6.5
Ensure that the hoist is properly installed to a fixed point.
3.6.6
Ensure that all nuts, bolts and split pins (cotter pins) are sufficiently fastened.
3.6.7
If applicable, pull down on the Pendant and ensure that the Cord Strain Relief Cable takes the force,
not the Pendant Cord.
3.6.8
Check supply voltage before everyday use. If the voltage varies more than 10% of
the rated value, electrical devices may not function normally.
3.6.9
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 operation.
3.6.10
The hoist must be connected to the power source such that its direction of
operation corresponds to the up-and-down commands issued from the pendant control; i.e. pushing the
UP button must cause the hoist to lift the hook. If the hoist does not operate correctly, shut off and
lockout /tagout the main power source to the hoist. Disconnect and switch any two of the three input
power leads at the power source to correct the hoist’s motor phasing.
15