Maintenance
12
Maintenance
12.1 Maintenance intervals
The device should be inspected at least annually by suitably
qualified persons.
Charge the lead battery after each application, at the latest
however after the battery alarm has been triggered.
Maintenance by suitably qualified personnel – every year.
The inspection intervals must be established in each
individual case and shortened if necessary, depending on
technical safety considerations, engineering conditions,
and the technical requirements of the equipment.
We recommend that a service agreement be concluded
with Dräger and that repairs also be carried out by
DrägerService.
NOTICE
i
i
For the gas detection instruments used, the
maintenance intervals specified in the relevant
instructions for use apply.
12.2 Replacing the batteries
WARNING
!
Explosion hazard!
Do not replace the batteries in areas subject to
explosion hazard! Batteries are part of the Ex
approval.
Only the following types may be used:
Battery pack, small (PBT 00X0), order no. 83 20 644
Battery pack, large (PBT 00X1), order no. 83 20 646
1. Switch off the device (see chapter 3.2 on page 40).
2. Unfasten the screws (M5
cylinder-head screw with
internal hexagon) on the
bottom
side
of
housing.
3. Lift the upper part of the
housing and disconnect
the plug connection from
the bottom plate.
60
the
4. Release the four M5 nuts.
5. Disconnect
connections
bottom plate.
6. Replace the old battery
block with a new one.
7. Re-establish
connection to the bottom
plate.
8. Check the correct
position of the O-ring.
9. Tighten the four M5 nuts.
10. Establish plug connection
to the bottom plate.
11. Place the upper part of the housing on the bottom part
(note preferred position).
12. Tighten the screws (M5 cylinder-head screw with internal
hexagon) at the housing bottom (120 Ncm ±20 Ncm).
WARNING
!
Explosion hazard!
Do not throw used batteries into a fire and do not open
them with force.
Dispose of the batteries in accordance with national
regulations.
NOTICE
i
i
It is recommended to fully charge the device after the
battery block has been replaced.
12.3 Charging the batteries
WARNING
!
Explosion hazard!
Do not charge underground or in explosion-hazard
areas. The chargers are not designed in accordance
with the guidelines for firedamp and explosion
protection.
CAUTION
!
Persons wearing implants may only handle the
powered induction charger if their pacemakers and
active implants conform to the relevant legal
requirements. Dräger only guarantees conformity with
Directive 2004/108/EC.
NOTICE
i
i
The transmitter coil of the induction charger generates
a weak magnetic alternating field. During operation, all
requirements of the relevant standards regarding
01533112.eps
electromagnetic faults are observed. The legal
requirements of Directive 2004/108/EC are met.
The warranty on the battery becomes null and void if
the device is not fully charged at least every 2 months
when not in use.
Dräger recommends storing devices in the induction
charger (order no. 83 20 626) even when not in use.
the
cable
from
the
the
cable
Dräger X-zone 5000
01633112.eps