Industrial Scientific MX6 iBrid Service manual

O U R M I S S I O N
Preserving human life on, above and below the earth
Delivering highest quality, best customer service …
every transaction, every time
TECHNICAL BULLETIN
10 July 2014 Issue 14-7.8
Revised MX6 Refuge Chamber
Maintenance Recommendations
Industrial Scientific’s MX6 Refuge Chamber kit is an approved MSHA Part 7 Air Monitoring component.
Please see below for revisions to the monthly maintenance procedures and two warnings to ensure your
instrument is working properly.
Revised Monthly Maintenance Procedure
The previous recommendation instructed users to remove the alkaline battery pack and install a
spare battery pack before performing monthly maintenance. The previous recommendation then
stated the user should reinstall the alkaline battery pack once maintenance was complete as the pull
tab should only be removed with a deployed refuge chamber in an emergency situation.
The new recommendation is to remove the pull tab monthly and perform all maintenance steps
using the alkaline battery pack. Three new alkaline batteries and a pull tab should be reinstalled
prior to returning the instrument to the case. Please see the next page for an excerpt from the
updated “Use and Service Instruction Manual”with additional details on the new MSHA-approved
process.
Caution –Over Tightening Instrument Screws
Over tightening screws may permanently damage the instrument, particularly the battery pack.
Please consider using a torque screwdriver with a 65 in-oz. specification.
Caution - Sample Tubing Damaged during Kit Repackaging
Sample tubing may be permanently damaged if compressed by the case lid if the contents are
repackaged incorrectly. Once the tubing is damaged, the instrument’s pump may not properly
deliver a sample to the sensors and cause the instrument to produce a pump fault. Please be careful
to always repackage the case properly.
Updated instruments manuals (Part# 17148420) and spare pull tabs are available (Part # 17155260).
For additional information on the MX6 Refuge Chamber kits, contact us by email at
[e-mail] or by phone at 1-800-DETECTS (338-3287).
Sincerely,
Global Product Manager, Multi-Gas Solutions

O U R M I S S I O N
Preserving human life on, above and below the earth
Delivering highest quality, best customer service …
every transaction, every time
Revised MX6 Refuge Chamber Instrument
Monthly Maintenance Procedure
Preparation
At the service location, remove
each instrument from its case
(without pump shown).
Locate the pull tab on the back of
the instrument. Pull the tab straight
out to remove it; set it aside. The
batteries are activated when the tab
is removed; wait 15 seconds.
Calibration and Bump Test
Use a compatible docking station (or manual process*) to
complete the tasks noted below, in the order listed, for
each instrument. See “Warnings and Cautionary
Statements” for calibration and bump test gas
requirements.
1. Calibration
Note: If any sensor fails calibration, repeat the calibration. If the
failure persists, see an onsite supervisor or contact Industrial
Scientific.
2. Bump test
3. Power off
*See MX6 iBrid Product Manual (17130279-1).
Alkaline battery Replacement
Ensure the instruments are powered
off. Use the tool provided to loosen
the three captive screws on the
battery compartment cover.
Remove the cover and set it aside.
Remove and discard all three
batteries.
Inspect the battery compartment. If
there is any sign of dust, water,
corrosion, or discoloration, replace
the battery pack*; otherwise,
continue.
*When the battery pack is discarded, also discard all spare alkaline
batteries. This includes the spare batteries in the instrument cases and
the battery case. Contact Industrial Scientific for a replacement battery
pack and replacement spare batteries.
Inspect the pull tab. If the edges are
frayed or the tab has split or is
cracked, discard it and obtain a new
pull tab (part number 17155260).
Insert three new batteries using the
positive (top) and negative (bottom)
orientation shown here.
Note: Do not mix old and new
batteries.
As shown, insert the white section of
pull tab between the battery on the
right and its contact inside the
compartment.
With one hand, press and hold the
pull tab as shown.
Use the other hand to replace the
compartment cover.
The pull tab has two black lines
(where the white section meets the
orange section). With the cover in
place, inspect the pull tab to ensure
only one of the black lines is visible.
If both lines (or no lines) are
showing, remove the cover and
reinsert the pull tab.
Tighten the three captive screws on
the battery compartment cover. Do
not overtighten the screws; use a
torque value of 65 in-oz.
Storage
Place all kit contents into the approved cases.
Close the cases and ensure they are properly sealed.
Return the cases to the chamber.
Instrument bottom