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Storage and handling
DO ensure that protection is provided for the scale, readhead and interfaces when transporting a
machine with that equipment already installed.
DO store scale in a cool dry place out of direct sunlight and in it's original packaging prior
to installation.
DO allow scale to acclimatize to installation environment prior to installation.
DO store at < 95% RH
DO operate at < 80% RH
DO install between 15 °C and 25 °C
DO store between −20 °C and +70 °C
DO operate between 0 °C and +70 °C
Original instructions
Maintenance and cleaning
In order to retain full Functional Safety compliance, this encoder system needs to be
maintained appropriately. The maintenance check intervals will be defined by the machine
builder/installer according to their risk assessment. There are no user serviceable parts within
the readhead or interface. The lid of the readhead must not be removed.
The following checks should be carried out:
•
Check the readhead to bracket screws are correctly tightened.
•
Check for worn or damaged cable connecting the readhead to the interface.
•
Check that the scale has not been damaged or contaminated. If required, clean the system
using approved solvents (see
'Storage and handling'
NOTE: Do not attempt to move the scale as this will damage the adhesive bond.
When cleaning the system:
DO use Renishaw (A-9523-4040) alcohol wetted scale wipes to clean the readhead optics and
scale, available from your local Renishaw representative.
Or use a clean, dry, lint-free cloth.
Or use only the following solvents sparingly with a wetted lint-free cloth:
•
Propan-2-ol (iso-propyl alcohol) CH
•
n-Heptane CH
(CH
)
CH
3
2
5
3
DO NOT use the following aggressive solvents to clean the TONiC FS readhead:
•
Acetone CH
COCH
3
3
•
Chlorinated solvents
•
Methylated spirits
on page 20).
CHOHCH
3
3
www.renishaw.com
15
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