Troxler 4640-B - Appendix C Periodic Maintenance and Service

C. MAINTENANCE
APPENDIX C
PERIODIC MAINTENANCE AND SERVICE
This appendix contains important information for maintaining and
servicing the Model 4640-B Thin Layer Density Gauge. The
following procedures should be performed to keep the 4640-B in
good working order. In the event that a serious problem with the
gauge arises, contact your nearest Troxler Service Center or
representative for instructions. Troxler Service Center addresses and
telephone numbers are included in this appendix.
CONTENTS
Troubleshooting............................................................................C–2
Battery Charging...........................................................................C–6
Alkaline Battery Use ..............................................................C–6
Leak Testing .................................................................................C–8
Mechanical Maintenance ..............................................................C–9
Inspecting the Source Rod......................................................C–9
Cleaning the Base and Top Shell ...........................................C–9
Lubricating the Source Rod..................................................C–10
Cleaning the Tungsten Sliding Block...................................C–11
Gasket Replacement.............................................................C–12
Replacement Parts ......................................................................C–13
Accessories...........................................................................C–14
Maintenance Supplies ..........................................................C–15
Returning the Gauge for Service ................................................C–16
Troxler Service Centers ..............................................................C–17
Model 4640-B Appendix C–1