OHAUS Explorer Balances, Руководство по обслуживанию

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CHAPTER 1 - GETTING STARTED
Explorer
®
Series Service Manual 1 Ohaus Corporation www.ohaus.com
1 GETTING STARTED
1.1
INTRODUCTION
This service manual contains the information needed to perform routine maintenance and service
on the Ohaus Explorer
®
Series balances. Familiarity with the balance ’s Instru ction Manual is
assumed. The contents of this manual are contained in five chapters:
Chapter 1 - Getting Started
– Contains information on service facilities, tools, specifications, and
the mechanical and electronic functions of the balance.
Chapter 2 - Troubleshooting
– Contains a diagnostic guide and error code table.
Chapter 3 - Maintenance Procedures
– Contains preventive maintenance procedures and
disassembly, repair and replacement procedures.
Chapter 4 - Testing
– Contains a list of required test masses, an operational test, segment display
test, performance tests and adjustments.
Chapter 5 - Drawings and Parts Lists
– Contains exploded views of Explorer
®
balances identifying
all serviceable components.
Appendix A - User Calibrations
– Explains user calibration procedures that may need to be
performed during service.
Appendix B - Service Calibration
– Describes the Service Menu and sub-menus, which allow
authorized service personnel to see Ramp readings and perform service calibrations.
Appendix C - Software Service Tool Instructions
– Used to re-configure the balance after
replacing a Printed Circuit Board or Load-cell.
1.2
SERVICE FACILITIES
To service a balance, the service area should meet the following requirements:
x
Should be temperature controlled and meet balance specifications for temperature
environmental requirements.
x
Must be free of vibrations such as fork lift trucks close by, large motors, air currents or drafts
from air conditioning/heating ducts, open windows, people walking by, fans, etc.
x
Area must be clean and free of excessive dust.
x
Work surface must be stable and level.
x
Balance must not be exposed to direct sunlight or radiating heat sources.
x
Handle all electronic assemblies with appropriate Electro-Static protection.