Service Manual

GSM-205-523
Routine maintenance overview
31st Oct 01
Maintenance Information: Horizon macro indoor
68P02902W09-B
CONTROLLED INTRODUCTION
Maint. 1–3
Assumptions –
door, hood, and
stacking
bracket
Any requirement to open a door, or remove any hood (if fitted), is assumed in all
procedures. Shutting the door, or replacing the optional hood is also assumed at
the end of any procedure. SURF module and Tx block replacement may be
carried out with the stacking bracket in place, but the CCB basket must be
removed (if fitted), see
Maintenance Information: GSM-205-523 Replacing a
CCB .
Door operation
The door lock is a trigger latch. To operate the door:
1. Insert the correct key into the lock and turn.
2. Press middle square panel by the lock to release the lock.
3. Open door to 95 locking position.
CAUTION
Avoid damaging honeycomb door vent.
NOTE If the equipment is active, a door open alarm will be
signalled to the OMC-R.
4. To open door to 130, lift up the middle of the slide arm.
5. To close, lift up the middle of the slide arm, close the door firmly, and lock.
Hood removal
and refitting
The optional hood is held in place by four pins. Remove by lifting the hood rear
edge until free of the pins, then lift off.
To fit the optional hood, align the hood to the back pins, lower hood onto the
pins, and press down firmly.
Stacking
bracket removal
The stacking bracket is held by eight M8 screws (including four locations which
can be alternatively used for pins by hood option). To remove or replace a
stacking bracket see
Maintenance Information: GSM-205-523 Replacing a
stacking bracket.