Dynalab SMP10/120V/60 - Manual (Page 5)

3
Cleaning & Servicing
WARNING: Ensure the unit is
disconnected from the mains electricity
supply and allowed to cool befor e
attempting any cleaning or servicing.
Cleaning
Periodically clean the instrument using a damp
cloth and mild detergent solution. Do not use
harsh or abrasive cleaning agents.
Broken melting point tubes may be r emoved
from the block simply by pushing them thr ough
with a piece of wire or similar tool.
For access to the block for mor e thorough
cleaning the sample chamber cover must be
removed.
1. Remove the 3 retaining screws and lift off
the cover.
2. Loosen the screw retaining the metal plate
but do not remove completely.
3. Push the plate to one side.
4. The glass window in the top of the block
may now be removed.
Servicing
Any repairs or replacement of parts MUST only
be undertaken by suitably qualified personnel.
There are two replaceable fuses on the rear of
the IEC mains connector. The cause of any fuse
failure should be investigated and corr ected.
Proceed as follows:
1) Ensure the SMP10 is disconnected fr om the
mains supply.
2) Unscrew the four screws on the base of the
unit and remove the base plate. Do not
disconnect or pull on the base earth bonding
wire.
3) Two fuses are mounted on the rear of the IEC
connector (both ‘Live’ and ‘Neutral’ mains
supply leads are fused). These fuses can be
removed and replaced by hand. ALWAYS
replace the fuse by ones of the corr ect values
shown below:
For 230V, 50Hz - T1A
For 120V, 60Hz - T1.6A
4) Refit the base and four securing scr ews.
5) It is advisable to perform a ‘PAT’ (Portable
Appliance Test) electrical safety test, or
equivalent, before the SMP10 is put back into
operation.
For a comprehensive list of parts and a Service
Manual required by service engineers conducting
internal repairs, please contact the Technical
Service Department of Bibby Sterilin Ltd. quoting
both the model and serial number.
Only spare parts supplied or specified by Bibby
Sterilin Ltd. or its agents should be used. Fitting
of non-approved parts may affect the
performance and safety features designed into
the instrument.
If in any doubt, please contact the Technical
Dept. of Bibby Sterilin or the point of sale.
Bibby Sterilin Ltd. Stone, Staffordshire ST15 0SA,
United Kingdom.
Tel: +44 (0) 1785 812121
Fax: +44 (0) 1785 813748
e-mail [email protected]