Service Manual RU OHAUS
Page 30 / 53 11/01/2010 Ohaus
Take out load cell
• Power off and take out the power cable from electrical outlet.
• Take away platter.
• Screw out 2 bolts for fix the cover of print paper (D).
• Take out the cover (E).
• Screw out 2 bolts in interface PCB (F).
• Screw out 4 bolts in up spider, and take out it.
• Open the sealing screw (G).
• Take away up cover.
• Pull out load cell harness from main PCB.（see above to find the main PCB）
• Screw 2 screws in load cell and take out spacer.
• Also take out load cell spacer.
• Also screw 2 screws for installing load cell under the scale.
• Take away load cell.
Install load cell
• Put the load cell to right position.
• Install 2 screws from scale bottom.
• Screw down with moment spanner.15kg CAPACITY with 8 NM,
30kg CAPACITY with 10 NM.
• Put the spacer and then screw down 2 screws in it.
• Screw down with moment spanner.15kg CAPACITY with 8 NM,
30kg CAPACITY with 10 NM.
• With X mm ruler to adjust the limit size of back 2 screws. With Y mm ruler to adjust
the limit size of front 2 screws inspacer.(capacity:6/15kg X=1.2mmY=0.9mm；
capacity: 30kg X=1.9mmY=1.3mm)
• Insert the load cell harness to main PCB.
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