Service Manual

GSM-205-523
24-monthly maintenance procedures
31st Oct 01
Maint. 1–10
Maintenance Information: Horizon macro indoor
CONTROLLED INTRODUCTION
68P02902W09-B
Mechanical
inspection of
cabinet, locks
and hinges
The following must be performed every 24 months.
Inspecting the cabinet exterior
NOTE Use a step ladder or platform for access to a stacked
cabinet unit, where necessary.
To inspect the cabinet exterior:
 Check exterior panels and hood/stacking bracket for dents and structural
damage.
 Check cabinet top connections for signs of overheating and security of
attachment.
Inspecting the door
To inspect the door:
 Check cabinet door for distortion, security and correct operation.
 Check hinges for damage, security and correct operation. Carefully
lubricate the hinges. Ensure that all door seals are wiped clean of the
lubricant.
 Check earth connection for damage and security.
 Check door lock mechanism and inspect for ease of operation. Lubricate
the mechanism with light grease. Ensure that lubricated surfaces are
grit-free.
Inspecting the cabinet interior
To inspect the cabinet interior:
 Check all rack equipment for security of attachment, especially PSM, CBM
and CTU attachment screws using a torxdriver. Tighten to correct torque
(see
Technical Description: GSM-205-323 Overview and specifications).
 Carry out a visual check of all wiring for signs of overheating and security
of attachment.
WARNING
Do not overstress the earth connections as this may
damage the connector and reduce the protective function.
 Check the earth connections for corrosion and tightness using a torque
spanner. Tighten to correct torque (see
Technical Description:
GSM-205-323
Overview and specifications).