Donati DRH 1 Series Instructions For Use Manual Download Page 83

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MAN16MG05

instructions

for

use

series

drh

1/2/3/4 -

dst

drt

•

NEVEr

use the lifting rope as slinging for the load (fig. 128).

•

NEVEr

lift loads with the point of the hook.

•

NEVEr

perform a hook run, after having positioned the load, in a way which causes the rope to wobble.

•

NEVEr

employ two simultaneous movements when using the hoist or the trolley, wait until one movement has

come to a complete stop before beginning another (fig. 129).

•

NEVEr

leave the hoist exposed to atmospherics agents (rain, wind, snow, etc.) when work has been terminated.

•

NEVEr

use the automatic limit switches continuously.

•

NEVEr

employ the hoist when there is a large drop in the voltage or when one of the phases is lacking.

•

NEVEr

perform sudden changes of direction during handling operations.

•

NEVEr

press the control buttons on the push-button panel repeatedly.

•

NEVEr

modify the functions or the characteristics of the hoist and/or its components.

•

NEVEr

carry out temporary repairs or procedures for putting the machine back into operation which do not

comply with the instructions.

•

NEVEr

employ the hoist in areas where the use of flameproof component is required.

•

NEVEr

tamper with the settings of the safety devices (limit switches and overload device).

•

NEVEr

use non-original spare parts or spare parts which have not been recommended by the manufacturer.

•

NEVEr

assign exceptional maintenance or repair work to staff not trained by the manufacturer.

• ˆ

NEVEr

leave the hoist at the end of a job without having lifted the hook block and relative hook to a height no

lower than 2.5 m (fig. 130).

•

NEVEr

, during maintenance work: (fig. 131)

• lean ladders on the hoist or trolley.

• carry out work without having removed the load.

fig. 128

fig. 129

fig. 130

fig. 131

2,5 m

minimo

instructions

for

use

series

drh

1/2/3/4 -

dst

drt

MAN16MG05

6.1

The precautions to prevent accidents contained in this paragraph must always be strictly adhered to during
maintenance work, with the aim of avoiding damage to staff and to the hoist.
Such precautions are covered in greater detail in this chapter, whenever a procedure which may carry a risk of
damage or accident is required, through

WARNING

and

dANGEr

notes:

Safety precautions

6. - MAINTENANCE OF THE HOIST

WARNING notes precede an operation which, if not correctly carried out, may cause damage to the

hoist and to the relative trolley.

DANGER notes precede an operation which, if not correctly carried out, may cause injury to the

operator

Based on the requirements of

ISO 9927-1:1994

, maintenance of electric wire rope hoist series DRH and related

trolleys, must be entrusted to maintainers of proven experience that, for the their basic training, have adequate
knowledge in the field of lifting equipment and are sufficiently familiar with the rules for determining the
deviations from the conditions of operation of electric hoists and their components.

6.2

The qualifications of maintenance staff

II maintenance personnel must also:

• know the laws in force related to accident prevention during work carried out on

machines with motor transmissions and be able to apply them

• have read and understood chapter 3 “Safety and Accident Prevention”

• recognise irregularities regarding functioning and when necessary take necessary

measures to rectify them.

1. If performed correctly maintenance work guarantees the safety of hoist operators and reduces downtime to

a minimum after a breakdown.

2. Repairs carried out opportunely prevent further deterioration of the hoist.
3. When possible always use original spare parts and products.

Special recommendations regarding maintenance: