12-2 Cabinet maintenance operations
AccessNode 323-3001-210 Issue 1.0
Chapter task list
Task See
Batteries
Replace a battery string Procedure 12-1 on page 12-6
Rectifiers
Replace the rectifier Procedure 12-2 on page 12-13
Adjust the high voltage shutdown (HVSD) on
replacement rectifiers
Caution: This procedure is service affecting.
Procedure 12-3 on page 12-19
Adjust the equalize (EQL)voltage on
replacement rectifiers
Procedure 12-4 on page 12-24
Adjust float voltage for replacement rectifiers Procedure 12-5 on page 12-26
Adjust load sharing for replacement rectifiers Procedure 12-6 on page 12-28
Emergency power connections
Connect the emergency standby power when
the ac load box with mechanical interlock is
installed
Procedure 12-7 on page 12-32
Connect the emergency standby power when
the ac power pedestal is installed
Procedure 12-8 on page 12-35
Termination compartment
Install the jumper wire spool in the termination
compartment
Procedure 12-9 on page 12-38
Use the BIX or binding post test clips Procedure 12-10 on page 12-39
Use the protector test access cord Procedure 12-11 on page 12-40
Fan units
Replace a fan unit in the heat exchanger roof Procedure 12-12 on page 12-42
Replace and external fan unit in a heat
exchanger roof
Procedure 12-13 on page 12-44
Replace a fan unit in the air induction roof Procedure 12-14 on page 12-46
Replacing the equipment fan shelves Procedure 12-15 on page 12-48
Installing a new equipment fan shelf Procedure 12-16 on page 12-57
Replace the fan filter in the heat exchanger
roof
Procedure 12-17 on page 12-63
Replace the fan filter in the air induction roof Procedure 12-18 on page 12-65
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