Co-om-6605. book



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4.4 M
AINTENANCE

The following maintenance checklist should be followed to ensure the HLB Unscrambler remains operational to high standard.
Table 4.1 Maintenance Check List
There are two anti-surge fuses installed into the fused terminals on the top plate of the HLB
Unscrambler.
Table 4.2 Fuse Ratings
Identification
Procedure
Interval
1. Check top plate DIN terminal connections and tighten if necessary monthly. Check operation of the main power switch monthly. Check operation of unscrambler power switch monthly. Check operation of diver and supervisor round robin switches monthly. Check operation of rotary diver round robin volume switches monthly. Check operation of rotary channel volume switches monthly. Check operation of PTT switches monthly. Check operation of depth potentiometer
6 monthly. Check operation of user interface buttons monthly


Operation and maintenance manual
Pin numberfunction
Upervisor c
Locationfuse
Echanical5.2 e



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