Service Manual

GSM-204-523
Maintenance support procedures
31st Oct 01
Maintenance Information: Horizon macro outdoor
68P02902W04-A
CONTROLLED INTRODUCTION
Maint. 2–3
Maintenance support procedures
The maintenance support procedures include the following:
 Door and lid opening and closing.
 TMS front cover removal and refitting.
Door opening
and closing
The door lock has a spring loaded handle. The door is operated as follows:
1. Insert key into lock and turn clockwise until spring loaded handle releases.
2. Turn handle a quarter turn anticlockwise to open the lock.
3. Open power supply enclosure door to 90 locking position.
4. Open radio enclosure door to 90 locking position.
NOTE
If the equipment is active, a door open alarm will be
generated.
5. To open doors to 120, lift up middle of appropriate wind stop.
6. To close, lift up middle of wind stop, close doors firmly, radio enclosure
door first.
7. Turn handle a quarter turn clockwise, push handle flush and remove key
to lock.
Lid opening and
closing
NOTE The lid can only be opened and closed when both doors
are open.
The lid is opened as follows:
1. Ensure both cabinet doors are open to the 90 position.
2. Undo the two draw latches by turning anti clockwise, and ensure the catch
hook is clear of lip on the lid.
3. Lift the lid until the mechanical stay audibly locks.
The lid is closed as follows:
1. Press the lock stud on the mechanical stay to release.
2. Lower the lid.
3. Hook the draw latches over the lip and turn clockwise to lock.
4. Ensure operating tab is stowed flat.