tm001038 revision 2
DESCRIPTION
Preventive Maintenance Course. TM001038 Revision 2. Course Overview. Inventory Theory of Operation Calibration/Verification Preventive Maintenance Changing HV Module. Inventory. Inventory. Sample, Verification, and Calibration Traps. Sample Wand. Traps. Mode Module. - PowerPoint PPT PresentationTRANSCRIPT
TM001038 Revision 2TM001038 Revision 2
Preventive Maintenance Course
TM001038 Revision 2
• Inventory
• Theory of Operation
• Calibration/Verification
• Preventive Maintenance
• Changing HV Module
Course Overview
TM001038 Revision 2
Inventory
TM001038 Revision 2
Mode ModuleTraps
Inventory
Sample Wand
Sample, Verification, and Calibration Traps
TM001038 Revision 2
Power Supply and Vehicle Adapter Batteries and Charger
Inventory
Extended Life Battery Alice Harness
TM001038 Revision 2
Canned AirAlcohol Swabs
Dryer
MembranesDopant
Spares
Maintenance Kit
Inventory
TM001038 Revision 2
Inventory
Customer Service• USA – 866-517-5580 (0830 to 1700 Eastern Time)
Technical Service• USA – 800-856-1716 (24 Hours)
TM001038 Revision 2
Inventory
• How many 90-minute batteries come with the VT2?
• How do you know when a battery is fully charged?
• What power options are there for the VT2?
• How many mode modules arrive with the VT2?
Review
TM001038 Revision 2
Theory of Operation
TM001038 Revision 2
ITMS Detector Schematic
Theory of OperationBasics of ITMS
TM001038 Revision 2
Detector Schematic
Dryer
Desorber
Display Screen
Dopant
Membrane
Theory of Operation
TM001038 Revision 2
Calibration/Verification
TM001038 Revision 2
• Known substances introduced to detector
• Software adjusts positions of all substances based on calibrants’ position
• Must be calibrated for accurate detection at current location
Calibration/Verification Why calibrate
TM001038 Revision 2
Cal Required Prompt• Power up• Changing modes• Changing methods
Recommended Calibration• At the beginning of each
shift• Significant Location
change• Atmospheric conditions
change• When in doubt
When to calibrate
Calibration/Verification
TM001038 Revision 2
Press to open Menu 1
CAL REQUIRED
TNT _ _NIT _ _RDX _ _PET _ _HMX _ _AM _ _
Calibration/Verification Particle Method Calibration
TM001038 Revision 2
Use to highlight CAL, , then press
MENU 1 SELECT SUBSTANCEBEEPER OFFLIGHT ONMETHOD VAP
INT
ON
EXT
Calibration/Verification Particle Method Calibration
PARTOFF
ON
CAL
15:13
TM001038 Revision 2
INSERT CAL TRAP TIME STD LAST 6.169 6.134
-MENU- TO EXIT
-START- TO CAL
Insert calibration trap into Desorber and then press
Calibration/Verification Particle Method Calibration
TM001038 Revision 2
Press to accept the highlighted peak.
STD 6.16 LAST 6.13 HEIGHT TIME
-ENTER- TO ACCEPTGET EXPANDED LIST
5892 6.154
Calibration/Verification Particle Method Calibration
Highlighted peak indicates selection
TM001038 Revision 2
CALIBRATION DONE
-ENTER- TO CLEAR
TO VERIFY THE CALIBRATION INSERT VERIFICATION TRAP THEN PRESS START
• When Calibration complete, insert Verification trap into Desorber and press
Calibration/VerificationParticle Method Verification
TM001038 Revision 2
VERIFY SUCCESSFUL
REMOVE TRAP AND PRESS ENTER TO CLEARDOWN
VERIFY FAILURE
REMOVE TRAP AND PRESS ENTER TO CLEARDOWN
THEN CALIBRATE AGAIN
READY P+ 10 100 1k 10kTNT --NIT --RDX --PET --HMX --AM --
• Two verification results possible
• READY screen displays after CLEARDOWN
Calibration/VerificationParticle Method Verification
TM001038 Revision 2
Press to open Menu 1
CAL REQUIRED
TNT _ _NIT _ _RDX _ _PET _ _HMX _ _AM _ _
Calibration/Verification Vapor Method Calibration
TM001038 Revision 2
MENU 1 SELECT SUBSTANCEBEEPER OFFLIGHT ONMETHOD PARTCAL EXT
ONOFF
INTVAP
Calibration/Verification
15:13
Vapor Method Calibration
CAL
Use Highlight CAL, press
TM001038 Revision 2
Press to begin Calibration
Calibration/Verification
CAL ON INTERNAL TIME STD LAST 6.934 7.04
-MENU- TO EXIT
-START- TO CAL
Vapor Method Calibration
TM001038 Revision 2
Calibration/VerificationVapor Method Calibration
STD 6.93 LAST 7.04 HEIGHT TIME
-ENTER- TO ACCEPTGET EXPANDED LIST
1558 7.037
Press to accept the highlighted peak
TM001038 Revision 2
TO VERIFY THECALIBRATION
OPEN CHECK SAMPLEAND HOLD IN
FRONT OF NOZZLEPRESS START
Calibration/VerificationVapor Method Verification
• Leave small space
TM001038 Revision 2
VERIFY SUCCESSFUL
PRESS ENTER TO
CLEAR DOWN
VERIFY FAILURE
PRESS ENTER TO
CLEAR DOWN
THEN CALIBRATE
AGAIN
Calibration/VerificationVapor Method Verification
TM001038 Revision 2
Calibration/Verification
• Why is calibration necessary?
• Which menu is used to access calibration?
• How do you verify calibration?
• When do you calibrate?
Review
TM001038 Revision 2
Preventive Maintenance
TM001038 Revision 2
• Shift
• Weekly
• Monthly
• Annual
Preventive MaintenanceMaintenance Intervals
TM001038 Revision 2
Power-down the unit Wear white cotton gloves Clean Desorber Clean membrane Calibrate
Shift MaintenancePreventive Maintenance
TM001038 Revision 2
Power-down unit Wear white cotton gloves Change dryer material Inspect dryer tube o-rings Inspect dopant levels
Weekly MaintenancePreventive Maintenance
TM001038 Revision 2
Preventive MaintenanceWeekly Maintenance
Clean the fan filter
Calibrate
TM001038 Revision 2
Power-down unit Wear white cotton gloves Perform Weekly
Maintenance Change membrane Power up unit After 4 hours, calibrate
Monthly MaintenancePreventive Maintenance
TM001038 Revision 2
Wipe around the entire nozzle area.
Wipe around the entire seam between the top and bottom housing.
Annual Maintenance - Radiation Wipe TestPreventive Maintenance
It is the Customer’s obligation to perform the annual wipe test.
TM001038 Revision 2
• When is preventive maintenance required?
• How many hours do you wait to calibrate after monthly maintenance is completed?
• What are the steps for weekly maintenance?
• Are wearing cotton gloves optional?
• How often do you need to perform a wipe test?
Preventive Maintenance
TM001038 Revision 2
Power-down the unit Remove the compartment
cover Plug in and insert the module Reinstall cover Power-on the unit Calibrate
Required for use in drug modeChanging HV Module
TM001038 Revision 2
• Inventory
• Theory of Operation
• Calibration/Verification
• Preventive Maintenance
• Changing HV Module
Course Review