ABB KM26 Operating Instruction page 27

KM26 | M AG N ET I C LE V EL G AUG E | O I/KM 2 6 -EN RE V I
. . . 5 Service and Maintenance
KM26 bargraph replacement glass
installation procedure
1
Remove old bargraph and tube holders from scale
2 Assemble new bottom tube holder to scale using #6-32
machine screw. Note orientation of grooves in tube
holder that interface with matching feature on scale
channel
3
Insert one (1) rubber bumper into bottom tube holder.
Rubber bumper should rest flat in holder cavity.
4 Carefully align new class bargraph into scale channel and
lower into bottom tube holder. Flat faces on glass tube
Figure 30- KM26 bargraph replacement glass installation procedure
should register with corresponding flat faces in cavity of
bottom tube holder. Ensure glass tube rest flat on rubber
bumper and it firmly seated. Nipple on bottom end glass
of glass tube should protrude through slot in rubber
bumper.
5
Place one (1) rubber bumper on top of glass tube
6 Align top tube holder with scale channel and slide down
until top surface of holder is flush with top of scale
channel. Screw hole should align with hole in holder
7
Use #6-32 machine screw to lock machine screw to lock
top tube holder in place
8
Tighten nuts and install second nut to lock tube holders
in place.
27