0 aftermarket installation instructions – J&M 275ST User Manual
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6.0 Aftermarket Installation Instructions
6.0 Aftermarket Installation Instructions
10.
Remove Spacer Blocks (Figure 6.2)
11.
Remove the four 1 3/8” grommets located in the four chassis holes (Figure 6.4)
12.
Slide one grommet on to each of the weigh bar wires of B,C, and D. (Figure 6.4)
NOTE: Spray grommets with a lubricant spray for ease of installation.
13.
Route each wire from B,C and D so they exit chassis hole (#6) (Figure 6.4).
14.
Slide the grommet from chassis hole (#6) over the wires from B, C, and D. (Figure 6.4).
15.
Reinstall the grommets back into the chassis holes. (Figure 6.4).
16.
Push excess wires into chassis hole (#6) (Figure 6.4).
NOTE: Spray the grommet with a lubricant spray for ease of installation.
17.
Attach Scale Display Box (#7) onto the Shell/Leg Weldment (Figure 6.6) with 1/4”-20 X 1” Grade 5 Zinc Hex Bolt (#8) and
1/4”-20 Grade 5 Zinc Serrated Flange Hex Nut (#9) (Figure 6.5).
18.
Insert the four wires form the weigh bars into the back of the scale indicator box. Insert weight bar wires through each
grommet.
19.
Remove the Back Plate from the 640XL Display Interface (Figure 6.7). Save the nuts and lock washers from the 640XL
Display Interface.
20.
Insert the 640XL Display Power Cord into grommet hole closest to the door hinge of the scale indicator
box.
21.
Attach all 5 wires to the bottom of the 640XL Display Interface. (Figure 6.8)
22.
Use the nuts and lock washers from step 19 to attach the indicator to the scale indicator box.
23.
Connect the indicator box power wire to the battery. The white wire is positive and the black wire is negative.
24.
Push extra wire back into chassis holes (#6). (Figure 6.4)
25.
Secure Weigh Bar Wires running from the chassis holes with the 4 large wire ties provided.
26.
Secure the Weigh Bar Wires running from the indicator box to chassis hole (#6) with a wire tie.
27.
Power up unit to confirm function. Use scale manual to calibrate the scale system.
Chassis Holes
A
D
C
B
6
Figure 6.4
Figure 6.5
Figure 6.6
7
8
9
*375ST is shown
275ST is same as