Gilian
®
BDX
II
ABATEMENT AIR SAMPLING PUMP
14
Document No. 801863M (Rev A)
3.1
GENERAL MAINTENANCE
The BDX
II
Abatement Air Sampling Pump
is relatively maintenance free. Most main-
tenance involves periodic inspection of
the unit, battery maintenance, and filter
maintenance.
General inspection involves checking the
unit for blockage and pump capacity as
follows:
1)
Examine the unit for physical damage.
Make certain that all case components
and connections are tight.
2)
Turn on the pump and check the
flowmeter.
3)
If there is no flow, check all tubing for
blockage.
4)
Check for gross contamination with
dust, mud, etc. If contaminated or ex-
cessively dirty, replace the internal fil-
ter.
5)
Also, check the Troubleshooting
Guide (Appendix C) and make any
corrective action. If the problem still
exists, return the unit for repair (see
Appendix D for obtaining a Returned
Material Authorization).
3.2
BATTERY MAINTENANCE
The Gilian BDX
II
Abatement Air Sampler
uses rechargeable Nickel-Cadmium batter-
ies. The battery packs must be fully
charged and maintained properly to
achieve maximum pump run time. The
battery pack has an output of 4.8 Vdc and
a capacity of 1.8 ampere-hours.
It is in-
cumbent upon the pump user to ensure
that the battery pack has enough charge to
complete the intended run time
.
The BDX
II
battery pack is charged through
a built-in jack. The jack is located on the
side of the unit, below the internal filter as-
sembly. Note that the charging plug is po-
larized to prevent improper insertion.
CAUTION
Do not short the battery terminals or the charg-
ing jack. Shorting will result in irreversible
damage to the battery pack.
The battery pack may be charged while at-
tached to the unit or charged separately.
Figure 3.1 shows how to remove the bat-
tery pack for battery pack replacement or
for charging the pack separately from the
unit.
SECTION THREE
MAINTENANCE
