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HADEF 9/12VA-EX Installation, Operating And Maintenance Instruction

Spur gear hoist
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Installation, Operating and
Maintenance Instructions
Spur Gear Hoist
9/12VA-EX
Explosion proof design
II 2G Ex h IIB T4 Gb or
II 2G Ex h IIB T3 Gb or
DANGER!
Not to be used with IIC gases and IIB gases hydrogen sulphide and ethylene oxide and light metal
and shock sensitive dusts.
It is not allowed to use the equipment in area at risk from explosion where gas AND dust does both
exist at the same time!
II 2D Ex h IIIA T135°C Db
II 2D Ex h IIIA T200°C Db
Rev.00 5.52.194VA.01.01.00

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Summary of Contents for HADEF 9/12VA-EX

  • Page 1 Installation, Operating and Maintenance Instructions Spur Gear Hoist 9/12VA-EX Explosion proof design II 2G Ex h IIB T4 Gb or II 2D Ex h IIIA T135°C Db II 2G Ex h IIB T3 Gb or II 2D Ex h IIIA T200°C Db...

  • Page 2: Table Of Contents

    Heinrich de Fries GmbH Heinrich de Fries GmbH, Gauss Str. 20, D-40235 Düsseldorf Heinrich De Fries GmbH will be named HADEF in the following text. Original operating- and maintenance instructions in German language. Translation in other languages is made of the German original.

  • Page 3: Information

    Inspection ..................16 12.1 Periodic checks ....................... 16 12.2 Checking the load chain ....................16 12.3 Checking the load hook ....................17 12.4 Check of the pawl ......................18 12.5 Check of the brake system ..................... 18 12.6 Check of suspension and load hook bolts ..............18 Service ....................

  • Page 4: Warning Notice And Symbols

    Failure to follow the instructions of this manual can lead to unpredictable hazards. For any resulting damage or personal injury, HADEF assumes no liability. The unit was designed and built following a risk analysis and careful selection of the harmonized standards that are to be complied with, as well as other technical specifications.

  • Page 5: Requirements For The Operating Personnel

    Requirements for the operating personnel The units may only be operated by qualified persons that are appropriately trained and that are familiar with it. They must have their employer’s authorization for operation of the units. Before starting work, the operating personnel must have read the operating and installation instructions, especially the chapter "Safety Instructions".

  • Page 6: Basic Safety Measures

    Basic safety measures  Observe installation-, operation and maintenance instruction.  Take notice of caution notes at units and in the manual  Observe safety distances.  Ensure good visibility during operations  Use the equipment only for its intended purpose ...

  • Page 7: Explosion Protection

     Check the grease level of the bearings regularly  Exchange friction surfaces in time and (an exception to this are electric units - maintenance of the brakes must only be effected by HADEF).  Protect the device from impact, friction, rough handling and moisture.
  • Page 8 G Ex h CE-marking European Union explosion-proof operating material danger of mine damp device group / application other areas prone to explosion for use in zone 0 device category for use in zone 1 for use in zone 2 ...caused by gas, steam, fog EX atmosphere ...caused by dust for mechanical devices, including e.
  • Page 9 class perature of gas temperature of the operating material in °C °C >450 >300 <450 >200 <300 >135 <200 >100 <135 >85 <100 2.6.3 EX zone classification Areas that are prone to explosion are classified into zones. The owner must determine the zone that exists. Information on the zone classification can be found in IEC 60079-10 and in national standards.
  • Page 10 Explosion hazards … recognizing and preventing! 2.6.4 5.52.194VA.01.01.00...

  • Page 11: Transport And Storage

    Transport and Storage CAUTION! Transport may only be done by qualified personnel. No liability for any damage resulting from improper transport or improper storage. Transport The devices are checked and if so adequately packed before delivery.  Do not throw or drop the equipment. ...

  • Page 12: Design

    Design Ratchet lever hoists are manual hoists with suspension hook for stationary use. They can also be combined with monorail trolleys. Operation by hand through hand chain. Illustration 3 Functions The load is lifted or lowered by pulling one of the chain falls of the endless hand chain of the hoist. A load pressure brake prevents automatic lowering of the load after releasing the hand chain.

  • Page 13: Installation

    DANGER! Hoists up to 10 t capacity, 4 chain falls are suitable for use in the following EX-classification: EX II 2G Ex h IIB T4 Gb or EX II 2D Ex h IIIA T135°C Db or lower classification. Hoists of 10 t capacity, 2 chain falls and up are only suitable for use only in the following EX-classification: EX II 2G Ex h IIB T3 Gb or EX II 2D Ex h IIIA T200°C Db or lower classification.

  • Page 14: Brake And Pawl

    The hoist must always hang centrally under the beam or under its suspension point. Brake and pawl The brake system needs a minimum load of 3% of the capacity. Only this minimum load makes sure that the load-pressure-brake closes correctly. When the brake closes correctly, the load is safely held DANGER! Working situations with no guarantee that the minimum load is charged, are forbidden!

  • Page 15: Functional Test

    Functional test 10.1 Checks before the initial start-up Lifting gear  Load chains must not be twisted.  Lubricate the load chain with gear oil or suitable chain lubricant before first loading. Trolley drive  The open-lying teeth of the trolley drive must be lubricated. Hand gear for hand geared trolley ...

  • Page 16: Inspection

     Make sure the chain is not installed twisted.  Make sure the chain links are aligned in one direction.  Assemble the chain to the end fastening. Inspection 12.1 Periodic checks Independently from the regulations of the individual countries, lifting devices must be checked at least yearly by a qualified person or licensed qualified person regarding its functional safety.

  • Page 17: Checking The Load Hook

    dm= detected link diameter (d1+d2)/2 Illustration 8 Chain dimensions Table 1 Dimensions Chain size 4x12 4,2x12,2 5x15 5,6x15,8 5,6x17 6x18 6,3x19,1 7,1x20,1 105,6 136,6 138,2 170,6 179,1 194,2 203,9 216,4 227,9 12,7 12,8 15,7 16,6 18,9 21,2 21,2 Table 2 Dimensions Chain size 7,1x21...

  • Page 18: Check Of The Pawl

    12.4 Check of the pawl Vmin 28,5 1000 31,5 2000 31,5 3000 31,5 12.5 Check of the brake system Ratchet wheel (A) and brake linings (B) Vmin tv min 1000 92,5 91,5 2000 92,5 91,5 3000 12.6 Check of suspension and load hook bolts Suspension bolt dv min 11,5...

  • Page 19: Load Hook

    13.2 Load hook  Check bearings and pulleys yearly  Clean and lubricate the bearings of hooks and pulleys with grease  Slight bearings are maintenance free  When bearings resp. slight bearings are worn of, change the complete pulley Recommendation Interval Load hook...

  • Page 20: Remedy

     Please read the chapter "Safety instructions". Notes on the repair of faults are found in the following table. For the repair of failures please contact our service department. CAUTION! Trouble caused by wear or damage to parts such as wire ropes, chains, chain wheels, axes, bearings, brake parts, etc., must be remedied by replacing the parts with original spare parts.

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