9
7 OPERATION
7.1 USE OF THE CYLINDER
Cylinder is intended for vertical lifting and lowering of heavy loads under normal
condition on workplace. It is operated by the help of separately delivered pump and
connecting hoses. Can be used by organisations as well as the private persons.
As work with heavy loads can pose unexpected danger, it is necessary to follow all
“Safety principles” according to the chapter 3.
7.2 SAFETY WORKING ENVIRONMENT
! WARNING
(1) The operating staff of the hydraulic cylinder must be demonstrably familiarized with
this operation manual, must observe applicable safety and hygienic regulations
and must be qualified for operation of this equipment.
(2) The operating staff should be equipped with protective footwear and gloves for
work with the jack.
(3) When operating by more persons ALWAYS there must be determined one worker
trained with safety of work responsible for manipulation with the cylinder.
(4) The operating staff must have a clear and unobstructed view of the whole working
area before starting the work. When it is not possible, one or more persons must
help to supervise in the nearby area of the hydraulic cylinder.
(5) The operating staff must check, whether the entire work place is safe and whether
there is as possibility of escaping from this area in case of endanger, before
starting to operate the cylinder.
(6) During the work with the cylinder the suitable distance of the operating staff from
the load must be kept. It is prohibited to lift or lower bulky loads preventing to keep
sufficient safety distance.
8 INSPECTION OF CYLINDER
8.1
INSPECTION
8.1.1 Inspection classifications
(1) Initial inspection: precedes first use. All new or repaired hydraulic cylinders shall be
inspected by a responsible qualified person to ensure the qualified fulfillment of
requirements of this operation manual.
(2) Inspection procedures of hydraulic cylinders operated regularly are generally
divided into two classifications based on the intervals at which should be performed.
The intervals depend on the condition of the critical components of the hydraulic
cylinders and the degree of the wear and tear, deterioration or malfunction. The two
general classifications are herein classed as daily and regular ones. The respective
intervals are defined as follows:
(a) Daily inspection:
visual inspection, carried by the operator, designated by the
user on the beginning of each use.
(b) Regular inspection:
visual inspection carried out by the qualified person
designated by the user
.
1) normal operation – once per year,
2) heavy operation – twice per year
3) special or infrequent operation – according to the recommendation of the qualified
person at first usage and according to the directions of the qualified person (workers of
maintenance).