Harrington Hoists and Cranes HPC 500 End Truck - Manual (Page 18)

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90°
90°
END
TRUCK
BRIDGE
BEAM
Figure 3-11 Crane Squareness
3.4 Pre-operational Checks and Trial Operation
3.4.1 Record the end trucks’ Code and Serial No. from the nameplate (see Figure 10-1) in the space
provided on the cover of this manual.
3.4.2 Ensure that the end trucks are properly installed on the runway beams/rails.
3.4.3 If the end trucks are used as part of an overhead travelling bridge crane, then make sure that the bridge
beam is properly designed, fabricated, and installed.
3.4.4 If a hoist/trolley is used in the system:
 Ens ure the hoist/trolley is properly installed in accordance with the manufacturer’s requirements
and recommendations.
 Ensure that the end stops on the bridge beam for the trolley motion are installed correctly and
securely.
3.4.5 Prepare for Trial Operation
 Before operating become familiar with operating the equipment (see Section 4 – Operation).
 If a hoist/trolley is used in the system, perform pre-operational checks in accordance with the
manufacturer’s requirements and recommendations.
3.4.6 Trial Operation
 If the end trucks are used as part of an overhead travelling bridge crane, then move the crane
along the entire length of the runway. Ensure that the crane has proper clearance from
obstructions. Check for proper alignment and clearances of the crane and the end trucks to the
runway (refer to Figure 3-8 and Figure 3-11). Adjust as necessary. Make sure that after any
adjustments the fasteners are properly secured and tightened.
 Perform inspections in accordance with Section 5.3, “Frequent Inspections”.
 If a hoist/ trolley is used in the system, perform trial operation in accordance with the manufacturer’s
requirements and recommendations.
3.4.7 Load Test – perform a load test in accordance with ASME B30.11, “Monorails and Underhung Cranes”,
or ASME B30.17, “Overhead and Gantry Cranes (Top Running Bridge, Single Girder, Underhung
Hoist)”, whichever applies.