CAS LP-2G, Service Manual

Page: 56 / 104

14 Servicing & Parts Replacement
48
14.5 Load Cell & AD Converter Replacement
1. Follow all of the directions in section 14.2 first.
2. Unplug the AD Converter connectors at:
A. CON2, Load cell data.
B. CON3, Load cell power.
3. Remove the 5 screws around the perimeter of
the load cell assembly chassis.
4. Lift and remove the load cell assembly chassis &
replace with a new one reassembling in reverse
order.
5. However, if you wish to replace only the load cell or AD Converter PCB, then go on
to the following:
A. AD Converter replacement:
a. Disconnect the Load cell cable from CN1 on AD Converter PCB.
b. Remove the 2 screws on the AD Converter PCB.
c. Remove old AD Converter PCB and attach new one.
d. Reassemble in reverse order.
B. Load cell replacement:
a. Disconnect the Load cell cable from CN1 on AD Converter PCB.
b. Remove the Allen-bolt from the top of the Load cell Main bracket.
c. Remove the 2 Allen -bolts from the side of the Load cell Main bracket.
d. Remove the 2 Allen -bolts from underneath the load cell assembly
chassis.
e. Remove the load cell and replace with a new load cell of equal
capacity.
f. Reassemble in reverse order.
g. Make sure that the safety overload stop tab is positioned properly
(see diagrams below.)