Service Manual
Page 31 of 50
5.4. Load Cell
Preparation:
Write down the geo code
Procedure for replacing the load cell:
1. Open top cover (More details please refer to open housing chapter, service preparations section).
2. Unscrew the four screws (A).
3. Open adapter housing and unscrew 1 screw (A).
4. Disconnect the load cell cable(C) from mainboard.
5. Remove 4 screws of the load cell support (D).Remove the old load cell.
6. Install the new load cell (
capacities lower than 7kg:
7.2N.m~7.8N.m; Capacities over 10kg:
10.5N.m~11.0N.m
), following the same instructions in the reverse order.
7. Adjust the overload gap and underload gap to avoid damage to the load cell. Reference the
below form.
Product name
Tools
Capacity of LC
4 corner gap
Mid corner gap Draw corner gap
Aviator
Q25-1
AMI-5kg
0.60+0.05mm
0.35+0.05mm
0.35mm
Q25-2
AMI-11kg
0.7+0.05mm
0.40+0.05mm
0.35mm
Q25-4
AMI-22kg
1.25+0.05mm
0.62+0.05mm
-----
Q25-5
AMI-40kg
2.15+0.05mm
1.25+0.05mm
-----
8. Close housing.
Attention:
Assuming the user is to use the (non-automatic) scales/balance in the legally regulated field, the User will
be responsible for notifying the appropriate calibration authorities of the repaired scales/balance, so that
the latter can take the appropriate measures (calibration/recalibration).
Calibration testing procedures:
1. Repeatability Test
Purpose:
Determination of the difference between several weighing processes for one load.
References:
R76-1 (legal for trade).
C
D
A