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BRANO a.s, 747 41 Hradec nad Moravicí
Czech Republic
tel.:+420 / 553 632 303
http://www.brano-zz.cz; http://www.brano.eu;
zz-info@brano.eu;
info@brano.eu
SAFETY PRINCIPLES, OPERATION AND MAINTENANCE
MANUAL
FOR
HYDRAULIC CYLINDER
type Z321
lifting capacity 25t; 50t; 100t and 200t
Read this manual carefully before using this product. The manual contains important
safety, installation, operation and maintenance instruction. Make this manual
available to all responsible persons.
Keep for further use!
Edition 3rd
MARCH 2017
Evidence number 1-52238-0-1
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Summary of Contents for Brano Z321
- Page 1 BRANO a.s, 747 41 Hradec nad Moravicí Czech Republic tel.:+420 / 553 632 303 http://www.brano-zz.cz; http://www.brano.eu; zz-info@brano.eu; info@brano.eu SAFETY PRINCIPLES, OPERATION AND MAINTENANCE MANUAL HYDRAULIC CYLINDER type Z321 lifting capacity 25t; 50t; 100t and 200t Read this manual carefully before using this product. The manual contains important safety, installation, operation and maintenance instruction.
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Page 2: Table Of Contents
CONTENT 1 DEFINITION .......................... 3 2 INTENDED PURPOSE......................3 3 SAFETY PRINCIPLES ......................4 3.1 SAFETY SUMMARY ....................... 4 3.2. SAFETY PRINCIPLES ....................4 3.2.1 Before use ........................4 3.2.2 While operation ....................... 5 3.2.3 After use .......................... 5 3.2.4 Risk analysis ........................5 3.2.5 Maintenance ........................ -
Page 3: Definition
2 INTENDED PURPOSE 2.1 Hydraulic cylinder type Z321, lifting capacity 25t; 50t; 100t and 200t (further only cylinder) is designed solely for lifting and lowering free loads of big weight in vertical direction by the help of manual pump at normal atmospheric condition on a workplace. -
Page 4: Safety Principles
3 SAFETY PRINCIPLES 3.1 SAFETY SUMMARY Danger exists particularly when the cylinder is not used properly or is poorly maintained. Since an accident or serious injury could result, special safety precautions apply to the operation with the hydraulic cylinder during its use, maintenance and inspection. -
Page 5: While Operation
3.2.2 While operation ALWAYS make sure the load is properly placed on a cylinder. ALWAYS pay attention not to exceed maximum height of lift marked by the red groove on a piston. ALWAYS after lifting a load ensure the piston of the cylinder by the nut. ALWAYS underlay load, if you intend to work on it. -
Page 6: Storage
(mm) temperatu (kg) (MPa) ( l ) (mm) 0,56 -10° C Z321 M18 x 1,5 2,23 +50° C 4,55 5.1 DATA ON PRODUCT Every product is fitted with a label with specified data as follows: Standard design: Design for explosive environment: Manufacture’s identification... -
Page 7: Operation Of Cylinder
6 OPERATION OF CYLINDER Before installation carefully check the cylinder, whether is not damaged. Cylinder is supplied without the oil charge. 6.1 CHECKING BEFORE THE INSTALLATION 6.1.1 Support face ! WARNING ALWAYS make sure the support face is firm enough to support assumed load for the whole time of manipulation. -
Page 8: Position Of Cylinder During Lifting Or Lowering
6.3 POSITION OF CYLINDER DURING LIFTING OR LOWERING During lifting or lowering of load the bottom of cylinder shall sit on firm a large enough so as to avoid sinking of the cylinder. Pay attention the cylinder stand vertically. Axes of piston can be diverted at max. -
Page 9: Operation
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”... -
Page 10: Daily Inspection
8.1.2 Daily inspection Regarding parts such as those recommended in the section 8.2(1) „Daily inspection“ verify, whether the girder clamp is without any defect. Provide this inspection also during operation in the interval between regular inspections. Qualified employees will determine whether any defect or damage can constitute a hazard and whether more detailed inspection is necessary. -
Page 11: Troublshooting
(2) Regular inspection (carried out by the qualified person) INSPECTION LIMIT/CRITERIA PART REMEDY METHOD FOR DISCARDING 1. Piston Visual check Oil leakage around Exchange of piston the piston cup (see art. 10.3) 2. Screwing Visual check Oil leakage Tighten screwing or repair 3. -
Page 12: General Instruction
ALWAYS check the function of the cylinder after maintenance. ALWAYS mark the defective or repaired jack by the suitable label (for example: „OUT OF OPERATION“). NEVER start maintenance, when a load is on the cylinder. NEVER work with a jack, which is under repair! NEVER use cleaning liquids on acid base. -
Page 13: Repair
10.5 REPAIR Worn out or damaged parts shall be replaced. Small surface burns and scratches or other small surface defects remove and smooth by the fine abrasive stone or the abrasive cloth. 10.6 TEST The load test shall be carried out at all repaired cylinders: A load not exceeding nominal lifting capacity is applied to a cylinder.
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