Harrington Hoists and Cranes LB Lever Hoist - (L5) User Manual
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Figure 6-17 Free Chain Knob and Spring Holder
6.4.10 Preoperational Checks
1) Make sure all nuts, bolts and split pins are sufficiently fastened.
2) Make sure all components have been installed correctly.
3)
After assembly, perform the following preoperational checks before operating
hoist.
4) Make sure that the hoist operates properly under no load condition before lifting a load.
5) Perform a load test at 125% of rated load in accordance with ASME B30.21.
6) Record of load test and maintenance performed should be placed on file with the inspection
records referenced in section 5.6.1.
7) During lifting and lowering operations check the following.
There should be no irregular clicking or abnormal sounds when lifting.
Lever pull should not be difficult in lifting mode.
The hoist brake should not slip.
6.5
Storage
6.5.1
The storage location should be clean and dry.
6.5.2
The hoist should be clean and dry. The load chain and all other exposed metal should be well
lubricated.
6.6
Outdoor Installation
6.6.1
For hoist installations that are outdoors, the hoist should be covered or brought inside when not in use.
6.6.2
Possibility of corrosion on components of the hoist increases for installations where salt air and high
humidity are present.
Make frequent and regular inspections of the hoist‟s condition and operation.