ACU-RITE ENC 250MS - Manual (Page 6)

Acu-Rite Companies Inc.
ENC 250 ™ MULTI-SECTION
5
• Attach this section to the machine using two [1/4-20 x
1-1/4”] M6 x 30mm SHCS and washers provided in the
hardware kit.
• Align the top of the section parallel to the axis travel to
within [.012”] .3mm and secure the fasteners.
• Center sections can be mounted in random order.
• Place the 2mm spacer provided in the hardware kit into
the scale clip as shown.
• With the roll pins already installed, insert the left end of
the center section into the scale clip and butt it to the
mounted end section. Tap the end of the center section
with a soft hammer to seat it against the 2mm spacer.
• Align the top of the section parallel to the axis travel to
within [.012”] .3mm. Transfer punch the furthest right
end mounting hole to the mounting surface.
• Remove the center section, drill and tap the location for
an [1/4-20 x 1/2 “] M6 x12mm deep.
• Re-insert the center section back into the scale clip as
done previously, seating it against the 2mm spacer.
• Attach the right end to the machine but do not tighten.
• Transfer punch remaining mounting holes by aligning the
top surface to within [.012”] .3mm to the axis travel over
each mounting hole. Remove the center section, drill and
tap the locations for an [1/4-20 x 1/2 “] M6 x12mm deep.
RTV
• Reinsert the center section back into the scale clip as done
previously, seating it against the 2mm spacer.
• Attach the right end to the machine but do not tighten.
Clean off any excessive RTV sealant.
Center section installation
2mm Spacer
2mm Spacer
Center scale
section
Roll pins installed
Scale clip
Transfer punch
furthest mounting
hole
[1/4-20 x 1/2 “]
M6 x12mm SHCS
and washer
[1/4-20 x 1-1/4”]
M6 x 30mm
SHCS and washer
• Apply RTV to the two sealant grooves in the right end on
all three sides as done previously. Seal the seated ends of
the spring pins, keeping the end and inside of the section
free of sealant.
• Slide the scale clip over the end of the scale section up to
the stop in the scale case.
• Clean off any excess RTV on the outside of the case.
• Now apply RTV Silicone Rubber to the sealant grooves in
the left end keeping the end and inside of the section free
of sealant.
Center section(s)
This end first
• Align the top surface to within [.012”] .3mm to the axis
travel measuring over each mounting hole. Secure the
scale case in place maintaining the alignment.
• Turn the handle of the 2mm spacer forward and remove it
through the bottom of the scale clip.
Remaining section(s) installation
• Mount any remaining center sections and the right end
section to the machine repeating this procedure. Use the
2mm spacer each time to set the required gap between
each section. Complete the next step prior to drilling and
tapping the right end mounting holes.
End
section
Center section
To be within [.012”] .3mm to the
axis travel
[1/4-20 x 1/2 “]
M6 x12mm SHCS
and washer