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7.
Firmly press the neighboring sections together while tightening the two M3 x 20 mm
screws through each tie bar into the flanges of the sections. Alternately tighten the
screws into the flanges and those into the sides of the extrusions to ensure that each
tie bar is drawn into the corner of the extrusion. Important Note: These screws
should be tightened to no more than 4 inch-lb.
8.
Inspect the joint to see that the sections are well aligned, with minimal irregularities
and gaps.
9.
Repeat steps 6, 7 and 8 for each pair of sections. It may be necessary to use suitable
blocks to support the row of sections so that neither the motor housing nor the
bottom flange of the base section touches the work surface while you are connecting
the motor drive section.
10. Center one of the support bars across the rear of the motor drive section over the
holes on the rear surface of that section. Be sure that the word 'LEFT' that is
stamped on the brace is upright.
11. Insert two M4 x 20 Phillips sems screws through the holes in the support brace into
the holes in the motor drive section, and tighten.
12. Go on to the section entitled 'Installing the Belt.'
Installing the Belt
Refer to Figures 2-5 through 2-9.
1.
Turn the assembled XpressChannel over so that the motor points upward.
2.
Referring to Figure 2-6, locate the tensioner ramp in the base section. Compress the
spring until the hole in the tensioner ramp is aligned with a hole in the base section.
Insert an 0.050" Allen wrench or a paper clip through the holes. This sets the idler
pulley for zero belt tension.
3.
Locate the length of toothed belt that was enclosed with the extension section.
Table 2-1
Chapter 2 - Installation
Belt Length for Various System Sizes
Number of
Length of Belt
Modules
Centimeters
2
68.50 cm
3
104.14 cm
4
139.70 cm
5
175.26 cm
6
210.82 cm
7
246.38 cm
8
281.94 cm
9
317.50 cm
Length of Belt
Inches
27 inches
41 inches
55 inches
69 inches
83 inches
97 inches
111 inches
125 inches
19
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