Harrington Signal HS-3200 - Install Manual - Manual (Page 17)

HS-3100/3200 Installation Manual
11
Replacing the Outer Door
1. Unlock the Door with the key provided.
2. Detach the grounding strap (Qty: 2) from the backbox by removing the #6 flange nuts (Qty:
2) that are attached to the studs on the backbox. Reattach the #6 flange nuts (Qty: 2) to
the studs to prevent them from getting lost or discarded.
3. Open the Door to approximately 135
o
and lift up to remove the outer door from the
backbox, store door in a safe place.
Removing the HS-3100/3200 Electronics
A. Removing the Inner Door (Dead Front)
1. Remove the #6 flange nuts (Qty: 2) that lock down the inner door. Reattach the #6 flange
nuts (Qty: 2) to the studs to prevent them from getting lost or discarded.
2. Open the inner door and disconnect the display harness from either the Display Board or
the Main Board.
3. Detach the grounding strap (Qty: 1) from the backbox by removing the #6 flange nut (Qty:
1) that is attached to the stud on the backbox. Reattach the #6 flange nut (Qty: 1) to the
stud to prevent them from getting lost or discarded.
4. Open the inner door approximately 90
°
and lift up to remove the inner door, store door in a
safe place.
B. Removing the Back Plate Electronics
1. Detach the harness from the Display Board.
2. Remove the #8 flange nuts (Qty: 4) from the studs on the backbox holding onto the back
plate. Remove back Plate Electronic panel and store in a safe place. Reattach the #8
flange nuts to the studs to prevent them from getting lost or discarded.