Hochiki IFD-E(EXD) - Manual (Page 8)

8 Hochiki Europe (UK) Ltd
2-3-0-810/ISS3/OCT11
Enclosure Details
Health and Safety at Work Act
In the UK all equipment must be installed and disposed of (as required) within the legislative requirements
of the Health & Safety at Work Act 1974.
Installation
No modification should be made to the enclosure without reference to the manufacturer as unauthorised
modification to an approved enclosure will invalidate the certificate/approval
1. The enclosures are supplied with drilled and tapped entries. See enclosure drawing
2. The surface of the machined/threaded flame paths between cover and body must be protected
from scratches or damage during installation. Any such damage can destroy the validity of the
enclosure.
3. Before the cover is refitted, the flame path/threaded joint between cover and body must be
thoroughly wiped clean of dirt, grit or other foreign substances, and then a thin coating of an
approved form of non-setting grease applied to joint/threads. Ensure the gasket o-ring is free
from damage.
4. Threaded covers must be screwed on to a minimum of 5 full threads of engagement and then
locked in poison with the locking screw provided.
5. All tapped entries must be fitted with an approved flameproof (EExd) device which is equivalent
or superior to the gas group of the enclosure.
6. The enclosure should be mounted using the two rear M6 tapped holes.
7. Do not scratch the glass.
8. Glanding of cables should be as in Selection of Cable Gland section