Vibration Research VR9500, Hardware Manual

Page: 17 / 32

13
support@vibrationresearch.com
Maintenance
An annual calibration verification is recommended for continued accuracy of the
VR9500. Before calibration, debris should be blown out of the ventilation slots
and fan. Verify the fan's operation and make sure ventilation is maintained as
defined in
Installation .
Cleaning
CAUTION : Remove power from the VR9500 prior to cleaning near the
ventilation slots.
Functionality of the fan should be checked monthly. Clean the fan as needed in
a high dirt and dust environment. Clean enclosures with one of the following:
·
A soft, dry cloth
·
A soft cloth moistened with water
·
A soft cloth moistened with a solution of water and a gentle, non-scratch
household cleaner that does not contain ammonia
Servicing
HIGH VOLTAGE WARNING
CAUTION : Dangerous voltages are present within the power supply.
Disconnect power supply before servicing.
CAUTION : Never use a fuse with a higher current rating, lower voltage rating,
or slower time delay than the specified fuse. Replace the fuse with same type
and rating as fitted.
·
All servicing, repairing, and testing of these products must be carried out by
competent personnel who are conversant with the particular hazards of AC line
operated equipment and the dangers of switch mode power supplies.
·
After disconnecting the AC source, wait 5 minutes before touching the unit to
allow capacitors within the unit to discharge.
·
Heatsinks within this product may be live. Test before touching.
·
This product must be reliably earthed and professionally installed in
accordance with the prevailing electrical wiring regulations and safety
standards.
·
The internal power supply uses a 3.15A fast acting 250V LBC fuse 5 x 20mm
(F1). This fuse is only accessible to qualified service personnel.
·
The VR9500 is protected by a fuse between the power cord and the power
switch. The power cord must be removed to replace the fuse. Replace the
main fuse with the same type (usually a LittleFuse 0218002.HXP) to maintain
protection against overheating, hardware damage, and possible fire.
4