OHAUS Valor 1000, Руководство по обслуживанию

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CHAPTER 3 - MAINTENANCE PROCEDURES
Valor 1000 Series Service Manual 16 Ohaus Corporation www.ohaus.com
Note: The shims are used between the Load Cell and its base. Be careful not to lose it.
4. Lift the Load Cell away from the housing.
5. When installing the replacement Load Cell, first position the shim, then insert and tighten the
two bolts and their washers in the Bottom Housing.
6.
Place the cover on the Bottom Housing’s cavity where the two Load Cell bolts are inserted.
Insert the small cover screws and tighten them.
7. Position the shim and Load Cell Frame on top of the Load Cell. Insert the bolts and their
washers, and tighten the bolts. (The bolts are tightened to about 10 Nm torque.)
8. Solder the cable leads connecting the Load Cell to the PCB, See the color code of load cell in
table 3-1.
TABLE 3-1. COLOR CODE FOR LOAD CELL WIRE
EXE+ SIG+ SIG
–
EXE
–
SCR
RED GREEN WHITE BLACK
SHIELDED
WIRE
9. Cover the solder points with the hot melt glue.
10. Set Overload Stops as shown in Section 3.6.
3.6 Setting the Overload Stops
The Overload Stop gaps must be checked and reset if the Load Cell or the LC plate are replaced for
the Models with Capacity of 2kg and 3kg ONLY. Please use the 0.5mm plug-in metal sheet/ gauge to
adjust the Overload Stop gaps, otherwise please measure the gap with 0.5mm after adjusting the
screw. (See Figure 3-8.)
Note: Do not adjust the overload screw hard, stop when the screw touch with the metal sheet to
prevent from the material rebounding.