Note- Do notforce the fanunit int o the slot. Using excessive force may damage the
componentor the chassis.
Note- Che ck that the fan unit is fully inserted and secured.
Note- See the procedure for system-stopped maintenance for inactive/cold maintenance in a
single-chassisco nfiguration.
11.5 Installing a Fan Unit
Thissectio n describes the procedure for installing a fan unit.

11.5.1 Installing a fan unit

1. Carefully insert the fanunit into i tsslo t.
2. Pushthe fan unit fully home.

11.5.2 Restoring the chassis

1. Install thef rontco ver.
For details, see "6.5.3 Installing the front cover."
11.6 Restoring the System
Thissectio n describes the procedure for restoring the system after installing a fan
unit.The restoration procedure differs depending on the maintenancetype as follows:
Active/Hot maintenance
Active/Cold maintenance
Inactive/Hot maintenance
Inactive/Cold maintenance
System-stopped maintenance
FujitsuM10-4/Fujitsu M10-4S/SPARC M10-4/SPARC M10-4S Service Manual December 2013214