BEST ACCESS SYSTEMS 34HW, Service Manual, Page: 149 / 228

Additional Service and Maintenance for IDH Max Locks
W Series Service Manual 6–9
R
EPLACING THE READER CIRCUIT BOARD ASSEMBLY
To replace a reader circuit board assembly for the proximity card
reader
, the following new parts are needed:
■
reader circuit board assembly (B80902)
■
outside escutcheon gasket (A60725)
■
tape for mounting the sounder (A60324).
To replace a reader circuit board assembly for the magnetic stripe
swipe card reader
, the following new parts are needed:
■
reader circuit board assembly (B80901)
■
outside escutcheon gasket (A60725)
■
tape for mounting the sounder (A60324).
Removing and
reinstalling the
reader circuit board
assembly
Removing the reader circuit board assembly
1. Remove the core and throw member. For mortise instructions, see
Task A. To remove the core: on page 4–3 . For cylindrical
instructions, see Task A. To remove the core and throw member:
on page 5–3 .
2. Remove the inside and outside knobs/levers. For mortise
instructions, see
Task B. To remove the inside and outside
levers/knobs: on page 4–4 . For cylindrical instructions,
see Task B1. To remove the keyed lever/knob: on page 5–3 .
3. Use the appropriate bit driver to remove the security screw from the
access door. Open the access door and remove it from the inside
escutcheon.
4. Remove the outside escutcheon. For mortise instructions, see
Task D. To disconnect the connections and remove the outside
escutcheon:
on page 4–6 . For cylindrical instructions, see Task D.
To disconnect the connections and remove the outside escutcheon:
on page 5–4 .
5. Remove the escutcheon gasket from the outside escutcheon and
discard the gasket.
6. Unscrew the two reader electronics mounting screws on the reader
circuit board assembly and remove the harness clamp. Save the
harness clamp and screws.
7. For locks with a magnetic stripe swipe card reader , disconnect the
reader harness from the reader circuit board assembly.
For locks with a proximity card reader , carefully pull the reader
circuit board assembly straight out from the escutcheon and
remove it.
8. Remove the reader circuit board from the outside escutcheon.
9. Insert a flat blade screwdriver under the sounder and turn it to
remove the sounder from the outside escutcheon.