Maintenance; Rules For Maintenance - Fujitsu MHV2040AT - Hard Drive - 40 GB Maintenance Manual

Maintenance and Diagnosis
1.1

Maintenance

1.1.1 Rules for maintenance

The following cautions must be observed to prevent injury during troubleshooting
or maintenance.
The following cautions must be observed to avoid damaging the disk drive during
troubleshooting and maintenance.
1-2
Static, Damage
1. Don't install or remove a PCA or connect or disconnect a cable
or connector plug when the drive is powered. This may give
you an electric shock.
2. Keep away from mechanical assemblies in the unit during
operation. This may cause injuries.
3. Avoid dangerous detergent when the disk drive is cleaned.
Device damage
1. Before touching a PCA or the drive, wear a wrist strap and
perform the human body grounding to discharge static
electricity from your body. This will prevent irreparable
damage to the PCA and the head of the drive.
2. Don't install or remove a PCA or connect or disconnect a cable
or connector plug when the drive is powered. This will prevent
electrical damage to the disk drive.
3. Operating the disk drive with one or more PCA missing will be
unpredictable. Only power the drive with all boards installed.
4. Avoid any detergent which may cause short circuits when
cleaning assemblies.
5. Keep all vents open opened and unblocked. Avoid other
conditions which may cause circuits to overheat.
6. A ribbon type cable has one line marked. Ensure that this line
is always connected to pin 1 of the cable connector.
7. Do not apply excessive force to the cover under any
circumstances. Doing so may cause irreparable damage to the
cover.
C141-F072