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HADEF 14/12-EX Installation, Operating And Maintenance Instruction

Spur gear hoist
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Installation, Operating and
Maintenance Instructions
Spur Gear Hoist
14/12-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.08 5.52.121.01.01.08

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Summary of Contents for HADEF 14/12-EX

  • Page 1 Installation, Operating and Maintenance Instructions Spur Gear Hoist 14/12-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

    11.2 Monitoring ........................15 11.3 Replacing the load chain ....................15 Inspection ..................15 12.1 Periodic checks ....................... 15 12.2 Checking the load chain ....................16 12.3 Checking the load hook ....................17 12.4 Checking - pawl ....................... 17 Checking – Brake System ....................17 12.5 Checking –...

  • 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.  Take care for a free view on the load.  Only use the hoists appropriately. ...
  • Page 7  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: Explosion Protection

    Explosion protection The EX classification of the unit is indicated on a separate plate, situated on the unit. Illustration 2 Example of ATEX classification: 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...
  • Page 9 2.6.2 Surface temperature of the devices DANGER! The temperature class mentioned on the EX-type plate on the unit must be observed, - make sure that the max. surface temperature is even fallen short of. DANGER! The maximum surface temperature of the equipment must always be lower than the ignition temperature of the gas/vapour/dust/air mixture.
  • Page 10 Explosion hazards … recognizing and preventing! 2.6.4 5.52.121.01.01.08...

  • 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

    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! Commissioning General The operator of the unit is responsible for the entire system.

  • Page 15: Functional Test

     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  Ensure correct fit of the hand chain, it must not be twisted and must hang freely. 10.2 Functional test Lifting gear...

  • Page 16: Checking The Load Chain

    daily 1st maintenance Inspection Inspection Mainte- commissioning checks after Maintenance nance 3 months every every 3 months 12 months Check screw connections Check lifting, lowering functions. Check brake function for ratchet lever hoists: Check free-wheeling mechanism of the chain Brake - check wear of brake lining Check chain wheels, ratchet wheels and pawls.

  • Page 17: Checking The Load Hook

    DANGER! In case of corrosion and/or wear of the surface coating, the chains must be exchanged by original chains! 12.3 Checking the load hook Load hook X = measuring distance hook mouth width Y = measured length from hook no. 6 H = thickness of hook saddle Illustration 7 Table 1...

  • Page 18: Checking - Suspension And Load Hook Bolt

    Checking – Suspension and load hook bolt 12.6 Load hook bolt Suspension bolt 11,4 1000 11,4 1500+3000 10,2 15,2 5000-10000 12,2 15,2 Service 13.1 Load chain Wear at the links is mainly due to insufficient maintenance of the chain. To ensure optimal lubrication of the links, the chain must be lubricated at regular intervals, depending on usage.

  • Page 19: Load Hook

    13.3 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 FUCHS...

  • 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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