instruction manual User guide

reg. 9 Maintenance
© Gardner Denver Deutschland GmbH 7 / 12 610.44479.40.000
reg. 9.3 Decontamination and document of
compliance

WARNING
Hazard presented by combustible, caustic or
poisonous substances!
 Units/systems which have come into contact
with hazardous substances must be
decontaminated before being sent to a
workshop!
Every unit/system that is sent to a workshop for
inspection, maintenance or repair must be
accompanied by what is known as a declaration
of clearance.
The declaration of clearance
 is included for photocopying on page 9.
 and is legally binding.
 must be completed and signed by authorized
technical personnel.
 must be completed separately for each
unit/system dispatched.
 must be affixed to the outside of the
unit's/system’s packaging.
 a copy should be sent (e.g. by fax) before the
system is dispatched, to the workshop which
is to carry out the work.
This documents:
 that the unit/system has not come into contact
with hazardous substances.
 that a unit/system which has come into
contact with hazardous substances has been
sufficiently decontaminated.
 the necessary safety precautions which the
workshop personnel must take.
CAUTION
The inspection/maintenance repair work on the
unit/system in the workshop will only be started
once the declaration of no objection has been
made available!
If the declaration of conformity is not delivered
with the unit then this could result in delays!
13 Ancillaries

WARNING
Danger of explosions.
 The bleeder resistance of the installed
accessories must have < 10
6
Ohm to ground!
13.1 Pressure / vacuum shut-off valves
2BX47.. and 2BX48..

WARNING
Danger of explosive mixtures.
Units with pressure / vacuum shut-off valves
connect the inside area and the surroundings.
 Units with vacuum shut-off valves may not
suction from zone 1 and zone 21.
 When using units with pressure valves, check
the gas output into the surroundings.
The pressure / vacuum shut-off valves 2BX47..
and 2BX48.. are not protection systems
according to guideline 94/9/EG and are not
suitable for biogas use.