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Figure 5: Processor Board Electrical Box
Processor board
Legend
.
1.
MTA 38
3. Remove side panels on side opposite soil side door.
4. Position the accelerometer mounting bracket inside of the shell front on the side opposite the
soil side door as shown in Figure 1. Make sure bracket is level.
5. Using the accelerometer mounting bracket as a template, mark mounting holes.
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—Dropping, striking or bumping
accelerometer will destroy it.
• Handle and install accelerometer with great care.
6. Drill and tap two 1/2" diameter holes at the marked locations.
7. Install bracket.
8. Install accelerometer on mounting bracket so that the face is pointed towards the left side of
machine (when viewed from rear of machine) and square to the shell front (Figure 2).
9. Locate the 15' length of shielded four connector wiring harness. This harness has a pre-wired
round connector at one end.
10. Connect the pre-wired connector on the wiring harness to the accelerometer wire connector.
11. Open the rear electric box door.
12. Route harness to rear electric box. Secure harness by tie-wrapping to an existing harness.
13. Using board as a template, mark and drill four 5/32" holes through top of electrical box
(Figure 3). Mount balance board inside the box using 6/32 machine screws through the drilled
holes. Use standoffs between the electric box roof and the board. Also install standoffs
between the board and the plastic shield. Vacuum up metal shavings from bottom of box.
14. Locate and separate the pre-wired MTA connectors referred to below. These MTA
connectors provide voltage and signals from the TBA power strip to the MTA connectors on
the balance board. Wire colors associated with these connectors are described with the wire
color first, followed by the wire stripe color, therefore, a blue/white wire is blue with a white
stripe. Install the MTA connectors as follows:
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Some small connectors may not have sufficient room on them for the full MTA connector
and wire designation. In these cases, the designation may appear in a shortened form. For example, a
connector called MTA 82 may have M 82 written (or stamped) on the connector.
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