Wolf H-4DC User's Manual
Contents
1. I Wolflite Safety Handlamp H 4DC Operation and Maintenance Instructions H 18 H 17 H 31K Wolflite Safety Handlamp ae H 4DC H19 WC SS ae a a ae ee d Z PA Wolflite Primary Cell Safety Handlamp H 4DC Operation and Maintenance Instructions Certification EExeiblIBT4 Certificate BASEEFA Ex 843292 Re Certificate 86 00089 Use of Wolflite Primary Cell Handlamps in Hazardous Areas e The H 4DC Handlamp is approved for use in potentially explosive gases and vapours zone 1 and 2 Applicable standards EN 50014 1977 EN 50019 1977 EN 50020 1977 Copies of Certificates are available on request Users should consult EN IEC 60079 for guidance on the selection use inspection and maintenance of products for use in potentially explosive atmospheres or national equivalent A damaged Lamp should be withdrawn examined and repaired before being put back into service Maintenance and repair must only be carried out by a competent technician or electrician familiar with Certified Electrical Apparatus in accordance with these maintenance instructions using factory supplied spare parts e Lamps must not be opened in hazardous areas All maintenance to be carried out in a safe area Ingress Protection Level for H 4DC Handlamp IP 66 to EN 60529 1992 Heavily soiled Lamps must not be immersed in water or exposed to high pressure water jets for cleaning e The H 4DC Ha2. Wolf Safety Lamp Co Ltd has a policy of continuous product improvement Changes in design details may be made without prior notice Spare Parts List for Wolflite Safety Handlamp H 4DC H 0 Description O ring seal black Magnet Switch complete Reed Switch Sleeve for Shorting Link Link Contact Battery Contact Screw for Contacts Body Complete Lens Ring Washer for Disc Glass Disc toughened Reflector Reflector Retaining Ring Reflector Distance Piece Bulb Socket Bulb 4 8V 0 5A 2 4W Krypton Centre Contact complete Lens Ring complete Key for Reflector Retaining Ring Lanyard clip on type Primary Cell Cassette complete Shorting Link Handlamp Wall Holder Zinc Chloride Cell R20 WOLF SAFETY LAMP COMPANY Saxon Road Works Sheffield S8 OYA England Tel 44 114 255 1051 Fax 44 114 255 7988 E mail info wolf safety co uk Website www wolf safety co uk MMD U 8 04 5K eee ISO 9001 Cp
3. ndlamp body may constitute a static hazard clean only with a damp cloth e Permissible Hazardous Area ambient temperature 20 C to 50 C Primary cell powered lamps are supplied without cells Primary Cells Use only D size R20 zinc cells to IEC 60086 DO NOT MIX CELLS DO NOT USE RECHARGEABLE CELLS To open the lamp The Lens Ring is unscrewed from the Body to gain access to internal parts and the Dry Cell cassette To fit primary cells Withdraw battery cassette from body and load with four cells negative cell end positioned to spring positive cell end positioned to cup washer Flattened cells must be removed immediately to avoid over discharge and cell leakage To operate and replace the switch The slide switch operates as indicated on the approval label It consists of a magnet a plastic housing and a cap To replace prise off cap and remove housing Fit the new switch housing and magnet to the lamp body and snap the cap in place To replace bulb The bulb is retained by the screwed centre contact at the back of the reflector 4 8 volts 0 5 amps Krypton Part No H 26K To replace glass disc or reflector The above parts are secured in the lens ring by the reflector retaining ring All parts should be cleaned and the rubber washer centralised before reassembly A key is available for this assembly To replace the reed switch Both contacts are removed to replace the reed switch ensure central relocation The
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