Chapter 3 Maintenance Procedures; Preventive Maintenance; Preventive Maintenance Checklist; Service Strategy - OHAUS Valor 2000 Service Manual

3.1

PREVENTIVE MAINTENANCE

Ohaus scales are precision instruments and should be carefully handled, stored in a clean, dry,
dust-free area, and cleaned periodically. Follow these precautionary steps:
–
When a scale has had chemicals or liquids spilled on it, all exterior surfaces should be
cleaned as soon as possible with warm water on a damp cloth.
–
Do not leave a mass on the scale when the scale is not in use.
–
Allow time for the scale to stabilize after moving it from an area which is at a different
temperature than the area where it is to be operated. Allow one hour for each 5° F
(2.7° C) temperature change before using the scale. After temperature stabilization,
allow an additional 20 minutes after turning the scale on, for the scale electronics to
stabilize.

3.1.1 Preventive Maintenance Checklist

The scale should be inspected and checked regularly, as follows:
1. Remove the Pan and Sub Pan to inspect and clean the area beneath the Pan.
2. Clean the outside of the scale using a damp cloth with warm water.
DO NOT USE CHEMICAL CLEANERS OR SOLVENTS OF ANY TYPE.
SOME CLEANERS ARE ABRASIVE AND MAY AFFECT THE SCALE'S FINISH.
3. Check the Power Cord for broken or damaged insulation.
4. If using the rechargeable battery and the scale malfunctions, first recharge the
battery to see if this resolves the problem.
5. Make a visual inspection for faulty connectors, wiring, and loose hardware.
3.2

SERVICE STRATEGY

All parts of the Valor 2000 or designed to be replaced rather than repaired. This includes the
Main Printed Circuit Board (PCB), the Rear Display PCB, the Load Cell, the Power PCB, the
Rechargeable Battery, and the cables that connect them. For an illustrated list of replaceable
parts, see Chapter 5.
3.3

OPENING THE SCALE

Use these procedures in order to replace the Load Cell, Battery, any of the Printed Circuit
Boards, and/or LCD Displays.
Valor™ 2000 Series Service Manual

CHAPTER 3 MAINTENANCE PROCEDURES

CAUTION
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