Donati GRL Series, Manual

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USE AND MAINTENANCE MANUAL FOR
JIB CRANE - GRL SERIES
5
fig. 3
fig. 4
Electrical system:
It is intended for the electrical input of the hoist and/or trolley (if electric) which slides along the arm of the
crane. It has a connector block, situated on the top of the crane, for the connector between the line and the
festooned cable. The electrical system is built using a flame retardant type generally flat cable with festoons,
sliding on specific trolleys.
Foundation frame with stay bolts:
Upon request, supplied for fixing the column itself to the base (foundation plinth) (fig. 6).
Counterplate with chemical bolts:
Upon request, supplied for fixing the column itself to the floor (fig. 7).
Finishing:
Protection of the metalwork structure from inclement weather and environmental agents (dust, gases, etc.)
is guaranteed by treatments performed using the application of yellow (std RAL1007) enamel, after
preparing the surfaces with metallic sandblasting.
Lift and traverse unit:
The manually or electrically rotated jib cranes can be equipped with a hoist with relative trolley in both
electric and manual version.
For the dimension specifications, weights and maximum reactions allowed on the trolley wheels see the
relative table in the “Technical specifications” in paragraph 2.2.
fig. 5