AEMC 4620 User Manual
Also see for 4620: User manual
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Contents
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Digital Ground Resistance Tester Model 4620 and 4630 37CHAPTER 6MAINTENANCE6.1 WarningPlease make sure that you have already read and fully understand the WARN-ING section on page 3.• To avoid electrical shock, do not attempt to perform any servicingunless you are qualified to do so.• To avoid electrical shock and/or damage to the instrument, do notget water or other foreign agents into the case.• Turn the instrument OFF and disconnect the unit from all circuitsbefore opening the case.• Use specified spare parts only.6.2 DisassemblyNecessary equipment:• A Torx ACX.10 screwdriver or similar• A Phillips screwdriverWith the Phillips screwdriver, remove the 4 screws (1) at the back of thecase and free the internal unit (2) from the yellow case (3). |
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