15
replacing. Six batteries (AA or equivalent) are required. Alkaline
types are recommended. Open the battery compartment lid on
the back of the instrument by unscrewing the metal screw.
Detach the battery holster and replace all six batteries with
new ones observing the correct polarity as marked on the hol-
ster. Close the battery compartment lid and replace the metal
screw
before
using the tester.
11.2 Fuse Replacement
If the fuse has blown or is suspected of being faulty (see section
8.1) replace it using the recommended type or its approved
equal-a quick blow ceramic fuse to IEC 127 is required. Open
the battery compartment lid as per 12.1. Remove the old fuse
and replace with the new one. Screw the battery compartment
lid back on before using the tester.
12 Servicing & Calibration
If this product requires cleaning use a damp cloth to wipe it. Do
not use strong cleaning agents as these may damage the plastic
surfaces. Ensure that it is perfectly dry before switching on. If
this tester should fail to operate correctly, return to Kewtech
marked for the attention of the Service Department, stating
exact nature of fault. Make sure that:
a) Operating instructions have been followed
b) Leads have been inspected
c) Fuse has been checked
d) Batteries have been checked
e) The unit is returned with all accessory leads
Regular re-calibration is recommended for this instrument. We
recommend that with normal use this unit is calibrated at least
once in every 12 month period. When the unit is due for re-cal-
ibration, return to Kewtech marked for the attention of the cal-
ibration department and be sure to include all accessory leads
